Oracle case statement in where clause with parameter. This works with Oracle server 9, 10 or 11 and ODP.

Oracle case statement in where clause with parameter. Kindly guide me how can i return multiple parameters from case clause. case in where clause - Toad SQL. The example is in Vb. I am getting a "missing expression" message when I run this Jul 11, 2013 · This is a simple question, I've read some details about using CASE in WHERE clause, but couldn't able to make a clear idea how to use it. However, my CASE expression needs to check if a field IS NULL. I have the following select statement select * from emp where empno in (:par) I want to set a comma separated list as :par, something like '783 You can use an Oracle collection of numbers as a parameter (bind variable) when you use ODP. A WHERE COL1 = 'a' AND COL2 IS NULL AND /* Several other predicates */ AND /* This condition should be included only if a value of parameter is 'G'. Jun 24, 2010 · How to set value for in clause in a preparedStatement in JDBC while executing a query. Apr 2, 2020 · Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. So I want to check if a parameter is NULL, if it's the case then compare the column corresponding to the parameter against itself (which means no filter on that column), otherwise filter the column with the value(s) inside the parameter. Jun 9, 2023 · Convert the UPDATE statement to a SELECT statement. Sep 18, 2008 · CASE statements in where clauses are less efficient than boolean cases since if the first check fails, SQL will stop processing the line and continue on. The parameters or components of the CASE SQL statement are: expression (optional): This is the expression that the CASE statement looks for. IsFrozen FROM employee, employeerole, roledef WHERE employee. Create Procedure( aSRCHLOGI Nov 25, 2011 · Let's say you have a stored procedure, and it takes an optional parameter. BY Clause Syntax. 6. Based on my condition,(for eg. alter session set nls_sort=BINARY_CI Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. In what scenarios would you prefer using a CASE WHEN statement over using a JOIN clause? May 6, 2015 · I created this FUNCTION: CREATE OR REPLACE FUNCTION Get_Count (p_string VARCHAR2) RETURN INTEGER IS v_count INTEGER; BEGIN IF p_string IS NOT NULL THEN If your IN clause is too big for MSSQL to handle, you can use a TableValueParameter with Dapper pretty easily. Sep 12, 2018 · The Case statement in SQL is mostly used in a case with equality expressions. name in ( CASE WHEN :Parameter1 = 'High' THEN ('John', 'Dave') ELSE 'Shaun' END ) Apr 17, 2012 · Lets suppose there is a stored procedure that has 3 params. type = v_type If certain parameters are empty can I only add the relevant where clauses to the cursor? Or is there a better way to accomplish this? Oct 7, 2021 · Don’t worry if you’ve never used a CASE statement. FirstName = @FirstName else a. Borrowing your example var l varchar2(4); exec :l := '551F'; with rws as ( select '551C' assembly_line from dual union all select '551S' assembly_line from dual union all select '551F' assembly_line from dual union all select '1234' assembly_line from dual ) select * from rws where case when :l . 2. Email = @Email AND a. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. Please help me with this select distinct structure_name from Test_COA_LEGACY_SEGMENT_VALUES where segment_name = nvl(:segment_name, segment_name) Apr 4, 2018 · BEGIN CASE TO_CHAR(SYSDATE, 'DAY', 'NLS_DATE_LANGUAGE=ENGLISH') WHEN 'MONDAY' THEN And you could use if instead of case here - either works but with only one value being checked you probably aren't gaining much from using case in this example. STATUS FROM CALL_REGISTER A LEFT JOIN CALL_RESOLVED B ON A. Using where condition for CASE statement. Hi, I'm having a small problem with my where clause. I dont know whether this is approach for my problem or not. WHERE (CASE WHEN @MessageStatus = 4 THEN m. Thanks for accepting this as the answer but Tony Andrews solution is a lot more straightforward and, in my view, the better answer. how do I A REGEXP_LIKE will do a case-insensitive regexp search. I was wondering how do I use a parameter in the query. 05 etc. COL3 is obviously TRUE then this filter will not have any impact on the result set. Jul 22, 2021 · As well as if it is possible to nest a CASE-statement into the WHERE clause? Here is the logic of m SQL statements: I have seen some related topics, but they were not helpful. Check the Data Types Jan 11, 2017 · A use case has come up to pass blank values into the function for any of the IN parameters and have it select ANY value in the where clause where the parameter is blank. The SQL Case statement is usually inside of a Select list to alter the output. Create Procedure( aSRCHLOGI Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. The WHERE clause then continues with further conditions but this specific one halts the query. “CASE” statement within “WHERE” clause in SQL Server 2008; Nested case statements vs multiple criteria case statements; Case statement in WHERE clause in SQL Server Apr 24, 2007 · Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. Jun 8, 2016 · My query has a CASE statement within the WHERE clause that takes a parameter, and then executing a condition based on the value entered. For example, the following statement is not valid: A note to SSRS report developers with Oracle datasource: You can use BOOLEAN parameters, but be careful how you implement. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Feb 20, 2013 · And all the parameters will be optional with DEFAULT NULL values. A similar solution is possible when you use Devart's . length), I want to execute different SQL statement. If you have multiple separate update statements you can have deadlocks. Explore Teams May 21, 2013 · where . They are control structures that Mar 1, 2019 · I have a question and I don't know if this is possible or not , I am trying to use the CASE statement in WHERE clause to create the SQL I have an input parameter p_org , If the value of p_org is 'ABC' , then org_id in (123) Sep 22, 2011 · The goal with this WHERE clause is to filter the result set on p_DrumNo if it´s passed in to the Stored Procedure. LastName = @LastName AND a. SELECT Id, col1, col2, col3, col4 FROM myTable where col1 = COALESCE(NULLIF(@param1, ''), col1) and col2 = COALESCE(NULLIF(@param2, ''), col2) and col3 = COALESCE(NULLIF(@param3, ''), col3) and col4= COALESCE(NULLIF(@param4, ''), col4) Mar 9, 2011 · These changes document Community specific rules and Oracle’s content moderation practices including use of automated tools, appeals process, and Oracle’s contact details. Hot Network Questions For the record, here's another ugly way to do it. Some databases do, but not Oracle. Besides the SELECT statement, you can use the WHERE clause in the DELETE or UPDATE statement to specify which rows to update or delete. When updating you lock records. SQL Server - CASE on where clause. THEN . Is the way I was trying possible somehow? May 25, 2009 · I need help in a query using case statements in where clause. Introduction to SQL CASE Statement. if user inputs All, then both true and false should go to parameters. So here's my query. Billing_code IN ('Audio_And_Others') THEN [:Audio_Comm_Percentage] END AS Commission_Rate My Parameter being [:Audio_Comm_Percentage] and will be set as a decimal number e. I have the segment of code belowIs the case statement correct, can we use it here? Dec 2, 2011 · Depending on your use case, instead of using a case statement, you can use the union of multiple select statements, one for each condition. select * from table A where A. Company = @Company May 11, 2015 · I am using oracleclient provider. Case expression in where clause PL Aug 1, 2017 · I have a WHERE clause that I want to use a CASE expression in. you can do it differently like this : Alternatively, you can rewrite this with COALESCE or with CASE: WHERE COALESCE(pParameter, COLUMN, 'ok') = COALESCE(COLUMN, 'ok') or, sample using CASE: THEN ( case when pParameteris null then 1 when pParameter= COLUMN then 1 else 0 end ) = 1 "Where @parameter is null or " doesn't quite make sense although it might work. CALL_NO WHERE A. Jan 23, 2018 · So how can I use NVL or other built-in function which would return all the rows if the user has not entered a parameter value? Let me explain with an example. @Matt I disagree 100%. We can use a CASE statement in WHERE clause as: SELECT employee_no, name, department_no FROM emps WHERE (CASE WHEN :p_dept_no = 50 THEN 0 WHEN :p_dept_no = 70 THEN 0 ELSE -1 END) = 0; Dec 7, 2023 · How to use CASE in the WHERE clause. I have the segment of code belowIs the case statement correct, can we use it here? Sep 10, 2021 · The CASE statement returns a "column value" that cannot be evaluated as a WHERE CONDITION itsef, but you can use it as a value 1 or 3 depending on sysdate, and then use this value in the filter condition: Mar 3, 2021 · For Automatic mode - all the parameters are null and the status would be 'new' for them For Manual mode -- all the parameters are mandatory and status could be 'new' or 'sent' I have no NULL status. . where (@itemFor='' and @itemto='') OR (id between @itemFor and @itemto) Doing the same as your case case statement. SOME_TYPE NOT LIKE 'NOTHING%') Share For example, you can use the CASE expression in statements such as SELECT, UPDATE, or DELETE, and in clauses like SELECT, WHERE, HAVING, and ORDDER BY. EmployeeName, Employee. 1 Add all these parameters to Source Database into a procedure. that parameter in the WHERE clause. 20 . RecipientId) = @UserId Oct 24, 2018 · The best guess was deleted just now by the author: nobody asked OP to split code into several SPs and to invent spCaller (which smells very bad and reminds me a beginner style) and everything can and should be accomplished within one SP with CASE statement applied to whatever it is supposed to be applied to (predicates in WHERE clause I guess Dec 30, 2008 · a list of ids is extracted from the database, and then used in a subsequent SQL statement (perhaps later or on another server or whatever). Otherwise, Oracle returns null. You select only the records where the case statement results in a 1. Convert the statement to a SELECT and see which rows are returned. The syntax for the CASE statement in a SQL database is: Jul 26, 2020 · Making statements based on opinion; back them up with references or personal experience. COMPARE_TYPE = 'A' AND T1. In addition: Don't use commas in the from clause. CALL_NO = B. employeeid AND employeerole. price_total, s. Oracle with CASE Statement May 29, 2022 · How I can use case statment in BIP App after where and compare it to a date if is the date is null show Full data if he ask for Specific date display the data for the Jan 12, 2021 · I am trying to pass a parameter value in my case statement as below. Out of all the possibilities, I'm looking to achieve this with a single WHERE clause without getting out of control with using () AND () Sep 30, 2016 · I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. name = v_name and t1. ITEM_PRICE, o. * * @param sql The SQL statement string with one IN clause. May 16, 2009 · after those two statements executed then you may compare the strings and there will be case insensitive. Jan 17, 2020 · Hello Tom Is it possible to change the where condition (using case statement) based on certain variable? For example var T varchar2(1) exec :T := 'E'; var E number; exec :E := 7788; var N varchar2(20) exec :N := 'MILLER'; select empno, ename from emp where -- how to use case statement to vary the condition based on :T -- if :T = 'E' then the condition should be where empno = :E -- and if :T Mar 27, 2012 · Im trying to avoid unioning multiple select statements by utilizing a CASE inside a WHERE clause. Since TB2. Sep 22, 2015 · There is another workaround you can use to update using a join. COURSE_SCHEDULED_ID WHEN IS NULL THEN which will throw "ORA-00936: missing expression" because IS NULL is a condition, not a value or expression. This will give you a preview of which rows will be changed. Middle = @MiddleName AND a. SenderId,m. The solution, in general lines, was to convert the IN statement into a series of OR conditions with their respective parameters, all by program. How can I do it? Oct 2, 2015 · You have to use a table variable instead of a NVARCHAR, e. SOME_TYPE LIKE 'NOTHING%') OR (T2. Below is my sql query for it. If they are really claiming that using any function anywhere in the where clause prevents an index being used, you could point out that sysdate is a function, for example. DISCOUNT_AMOUNT, o. Feb 19, 2020 · In this case, I just want to filter things. And LOC_ROW_ID is local parameter to fatch value of ROW_ID. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE Sep 15, 2010 · I want to construct a where condition containing a case statement with control on a parameter value, something like this: where case when +:param+ = '1' then column in ('01','04' else column = '02' end Jul 25, 2013 · You can use use COALESCE() function in SQL server. create the SQL using above parameters - Query: May 7, 2013 · Your case statement ALWAYS returns @ContractNo. NET dataprovider for Oracle. 1. I’ll show and explain it to you with a short example. If it comes empty I don't want to compare and avoid the 'AND' line Or try another approach:). select * from cardimport where STATUS = CASE WHEN STATUS = '' THEN 'F' ELSE STATUS END Jul 25, 2014 · Here PARM_ML, PARM_ANALYSIS_TYP, PARM_TYP_ST are parameter passed as input parameter. You can build your statement in the client conditionally or you can create a plpgsql (or any other procedural language) function to take care of it. Learn more about Oct 6, 2022 · I want to use case statement in where clause. RecipientId END) = @UserId Because what you put after the THEN in a CASE should just be a value, not a comparison. Usage Notes The Oracle BI Server treats the SELECT statement as a logical request. FirstName IS NULL end AND a. STATUS WHEN 'RESOLVED' THEN SECONDS_BETWEEN (TO Dec 12, 2009 · Step B. – Jun 15, 2012 · Using dynamic SQL is the simplest approach from a coding standpoint. 0 Create below parameters - please note how we are using these parameters in SQL. For older versions use: SELECT * FROM ( SELECT * FROM t_config_rule WHERE rule = 'IND' OR rule IS NULL ORDER BY rule NULLS LAST ) WHERE ROWNUM = 1; or number the rows with ROW_NUMBER and keep the first row: SELECT * FROM ( SELECT r. I'm not sure where recursion fits into all this, so I will just use an array to handle the parameters: SQL> create type qry_param as object 2 (col_name varchar2(30) 3 , col_value varchar(20)) 4 / Type created. select * from Users where Regexp_Like (User_Name, 'karl|anders|leif','i') This will be executed as a full table scan - just as the LIKE or solution, so the performance will be really bad if the table is not small. Case 1. SELECT ID, NAME, (SELECT (Case when Contains(Des Feb 22, 2011 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. The PL/SQL CASE statements are essentially an alternative to IF . I want to use the CASE construct after a WHERE clause to build an expression. An example is if IN_1_id is passed a blank value, the where clause in the first select statement would show where ANY value (even null) is in the opt. SELECT id FROM table WHERE dateTime IS (CASE WHEN :CommandName = 'FIRST' THEN NULL ELSE NOT NULL END) So I'm passing the parameter but it's not working - I'm just getting a Missing NULL keyword error In a [NOT] IN condition in a WHERE clause, if the right-hand side of the condition is a subquery, you cannot use LEVEL on the left-hand side of the condition. ) Else (Select ProductID from Product) End as ProductID ) Dec 1, 2021 · I am creating oracle report where if the user inputs true or false, the respective values should go to parameter. Oracle PL/SQL does not play nicely with BOOLEAN, but you can use the BOOLEAN value in the Tablix Filter if the data resides in your dataset. Answer: Unlike the IF statement, CASE WHEN is SQL’s standard conditional construct and provides a more readable and flexible solution for handling multiple conditions. CREATE OR REPLACE Jul 6, 2015 · I have a codition in which i need to use multiple parameters in where clause using Conditional operator. ContractNo The filter above says "give me the contract where the ContractNo equals the parameter, or all of them if the parameter is 0. Case statement in where. FIELD1 = @someParam1 Oct 20, 2016 · It is not an assignment but a relational operator. Hot Network Questions Given a first row with even valued length n construct a matrix Feb 6, 2012 · Oracle SQL Case Statement in Where Clause. CASE in WHERE statement. 0. Always use proper, explicit join syntax. For example, I have a query which takes the ID of the organisation as parameter: Aug 8, 2013 · Here is another using just the WHERE Clause: SELECT * FROM Table A WHERE (@Checkbool = 1 AND A. When the parameter is defined as 'New Items' it should utilize one code and for 'Updated Items' another condition. Any join conditions supplied in the query are ignored because the join conditions are all predefined in the Oracle BI Repository. :. you can do it differently like this : This predicate happens to be a subquery that needs to be included in the WHERE clause if certain value is passed onto the PL/SQL stored proc: SELECT /* several columns */ FROM X JOIN Y ON X. TABLE_NAME, SUBSTR(O. Jul 27, 2018 · Try this approach instead. Mar 27, 2012 · Im trying to avoid unioning multiple select statements by utilizing a CASE inside a WHERE clause. I think what you are looking for is this: where case @ContractNo when 0 then tblContracts. DEALER_CODE IN ('XXX') AND A. The TABLE() function is very close to what I want to achieve : select * from TABLE(customFunction()) where param1=XXX AND param2 Jun 16, 2014 · I´m trying to create a procedure that has a parameter called m_reaplicacao. . NET as dataprovider. My goal when I found this question was to select multiple columns conditionally. Making statements based on opinion; back them up with references or personal Sep 15, 2010 · I want to construct a where condition containing a case statement with control on a parameter value, something like this: where case when +:param+ = '1' then column in ('01','04' else column = '02' end Oct 9, 2014 · In Oracle SQL Developer, I am using a WITH clause, in this (simplified) way: WITH foos AS SELECT * FROM my_table WHERE field = 'foo' bars AS SELECT * FROM my_table WHERE field = 'bar' SELECT * FROM foo INNER JOIN bar ON foo. This is what it looks like. For Oracle it's 1000. AND (CASE WHEN ('THIS_PARAMETER_VALUE') IS NULL THEN 1=1 ELSE TABLE. [MyTVP] AS TABLE([ProviderId] [int] NOT NULL) Jan 9, 2015 · A case-clause can just as well be used in a where condition as in the list of selected fields: SELECT a. Oracle case inside where clause. SELECT o. SELECT COUNT(*)OVER() AS TOTAL_C1_COUNT, A. There are a number of examples using the CASE WHEN construct in SQL, such as the SELECT columns or in ORDER BY clauses, but we tend to forget CASE can be used wherever an expression is expected. This example below assumes you want to de-normalize a table by including a lookup value (in this case storing a users name in the table). SELECT * FROM products. However, you can specify LEVEL in a subquery of the FROM clause to achieve the same result. Apr 21, 2020 · Sorry , didn't get idea at first. id Aug 7, 2022 · THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. In your case, I think the clearest code is if you just rewrite it a bit: Feb 12, 2009 · Although the question is old, I explain the way in which I solved it in my case. The problem with dynamic SQL, though, is that you have to hard parse every distinct version of the query which not only has the potential of taxing your CPU but has the potential to flood your shared pool with lots of non-sharable SQL statements, pushing out statements you'd like to cache, causing more hard parses and shared Jun 26, 2023 · This SQL tutorial will guide you on conditionally filtering using the WHERE clause using a SQL CASE statement. COL3 = TB2. And we need to use. If you want to use case, then you need to return a value and do a comparison: (CASE order_date > sysdate and fee_rate_type in ('REGULAR', 'BONUS') then 1 order_date <= sysdate and FEE_RATE_TYPE in ('REGULAR') then 1 END) = 1 Aug 17, 2010 · I'm on oracle 10gr2. Jul 11, 2016 · I look for a working example where I can use mutliple when case statment wihch check to verify if a specific text is contained: e. WHERE prod_id = NVL ( :param, prod_id); The above query would return all the rows because prod_id does exist in all the rows, see the below-enclosed May 19, 2014 · A simple (param1 IS NULL OR col1 = param1) takes care of this, as has been answered already. NET but I think it is equally understood. The parameter should be a multivalue parameter. If the parameters are not null, and there is a usable index on DateCreated, it will be used. Oracle WHERE examples Jan 21, 2017 · In this case (if it's really DATE data type) the where condition should be. id = t2. Mar 22, 2011 · The NLS_SORT parameter governs the collation sequence for ordering and the various comparison operators, including = and LIKE. Typically this is how I've seen it done: SELECT * FROM dbo. Id <> 123) Everything you put in the where clause needs to be in the form of an expression. * @param params The number of parameters the SQL statement requires. I've changed the table names and fields for this post. The architect needs to justify what they are saying. CASE WHEN b. Aug 1, 2012 · I'm trying to create an Oracle query that will use a parameter based on the CommandName of a button. Mar 28, 2017 · The problem with the case (as you have written it) is that Oracle does not treat the value from a logical expression as a valid value. This SELECT statement would return all supplier_name and order_id values where there is a matching record in the suppliers and orders tables based on supplier_id, and where the supplier's state is California. Answer is to put between out of case, case only return value depending on condition, comparison is not part of what case do. item_total FROM ORDER_ITEMS o CROSS APPLY (SELECT ITEM_PRICE*QUANTITY AS price_total, DISCOUNT_AMOUNT*QUANTITY AS discount_total, (ITEM_PRICE-DISCOUNT_AMOUNT)*QUANTITY AS item Oct 20, 2016 · You can also go the other way and push both conditionals into the where part of the case statement. Following the WHERE keyword is the search_condition that defines a condition that returned rows must satisfy. com. I define "usable" there loosely - needs to cover the query or not introduce lookups that are too costly. To actually remove any or all NULL conditions, you need dynamic SQL. employeeid = employeerole. Oracle CASE expression has two formats: the simple CASE expression and the searched CASE expression. OBJECT_TYPE,1,2) Aug 17, 2010 · I'm on oracle 10gr2. I need to check a value from a parameter, and depending on it, apply the right clause. prepareStatement("Select * from test where field in (?)"); If this in-clause can hold Parameter Case statement in Where clause. Aug 23, 2024 · 12. discount_total, s. Also, always put the more costly statement on the other side of your boolean check. The CASE statements supported by PL/SQL are very similar to the CASE expressions. Mar 13, 2015 · To keep it simple I would go for union clause in this case, so you can have your where clause as complex as you need. In a simple CASE expression, Oracle Database searches for the first WHEN THEN pair for which expr is equal to comparison_expr and returns return_expr. Jun 8, 2015 · But given the use case, making the parameter NULL would be a little better. Compare and contrast the CASE WHEN statement with the IF statement in SQL. for IF x > 10, the expression would be “x > 10” Jul 17, 2015 · I am having an issue where I need to make 1 parameter have multiple options, almost like a case statement or decode function. Description, Employee. But the predicate I wrote is definitely sargable. Jan 17, 2020 · Is it possible to change the where condition (using case statement) based on certain variable? For example Nov 6, 2016 · A note: if you are testing the contents of a varchar parameter you need to ensure your case order is right i. In this case, the answer is to never extract it from the database. 0. col1. Id = 123) OR (@Checkbool = 0 AND A. CATEG IN ('C1') AND CASE A. The SQL CASE statement specifies a conditional expression to perform different actions depending on the input expression value. Then filter it in the outer query. QUANTITY, s. customer_id = pcustomer_id. What it does is evaluates a list of conditions and returns one of the multiple possible result expressions. This parameter receives the values 'S' for Yes, 'N' for No and 'T' for all records. Although Oracle treats it as a special case sometimes. Here is how you can use COALESCEfunction. Dec 3, 2014 · You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. Notice the statement is finished with the END CASE keywords rather than just the END keyword. If we’re comparing this to an IF statement, this is the check done inside the IF statement (e. Actually I am passing a value in a procedure according to the value i have to select fields in where clause. ELSIF statements. "1", however doing so does not accomplish my goal. After all, 0 is a value which you want to treat as a different value, while NULL semantically makes more sense for specifying 'no filter'. 13. Aug 13, 2021 · Oracle Case Statement in WHERE Clause with Parameter Example. for example. id if the value passed as a parameter has value. Please help me with this select distinct structure_name from Test_COA_LEGACY_SEGMENT_VALUES where segment_name = nvl(:segment_name, segment_name) May 28, 2019 · Passing comma separated string as bind variable for VO query's IN operator. The result of the case statement is either 1 or 0. Another option is dynamic SQL, where you actually create a string with the SQL statement and then execute it. CASE s. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. I tried to guess your table structure from above comment, let's see this example: SQL> create table employees (emp_id number, admin_user number, project_id number); Table created. This is a where clause in my SQL query. However, dynamic SQL seems like overkill in this case. We can use a case statement inside the WHERE clause with parameters if we need to apply a conditional clause based on one or more parameters. Here is a snippit of the query below, We were using 2 parameters so he can have either or, or use a wildcard but we want to narrow it down to 1 parameter. Both formats support an optional ELSE clause. If aggregated data is requested in the SELECT statement, a GROUP BY clause is automatically assumed by the server. SELECT WORK_ORDER_NUMBER, SUM(CASE WHEN STOCK_CODE LIKE 'xxxx' THEN STOCK_QUANTITY ELSE 0 END) AS TOTAL FROM Table GROUP BY WORK_ORDER_NUMBER; CREATE OR REPLACE FUNCTION FUNCTION1(ID IN NUMBER) RETURN NUMBER BEGIN SELECT COLUMN1, COLUMN2, COLUMN3 FROM TABLE1 WHERE COLUMN1<= Y AND (CASE WHEN ID < X THEN COLUMN1<COLUMN2 ELSE COLUMN2>COLUMN3 END), AND COLUMN 3 = XYZ; RETURN SOMETHING. id and t2. EmployeeId, Employee. Technical questions should be asked in the appropriate category. – Ishamael Commented Oct 16, 2012 at 23:08 May 5, 2015 · The case statement is an expression that returns a single value. I used this technique to build an object search at the CLI, where I pass in a list of schemas to a :BIND Value Match (Simple) CASE Statement. Or you can slap the case expression directly in the where clause, like so: Try writing the where clause this way: WHERE (T2. depending on one of the input parameter. That saves you processing time. Let's select the contracts with contractnum's 3 and 4. This works with Oracle server 9, 10 or 11 and ODP. 1. If you want to practice using CASE statement, I recommend our interactive course Creating Basic SQL Reports. If your parameters are NULL you're probably doing a full scan anyway. – The WHERE clause appears after the FROM clause but before the ORDER BY clause. Hope this helps. id = bar. ITEM_ID, o. I am using the case statement in the cursor WHERE condition something like the below:---example select case when (l_eno is null and l_ename is null The object is to dynamically assemble a statement from a variable number of filters in the WHERE clause. The update includes a join to find the name and the output is evaluated in a CASE statement that supports the name being found or not found. I've read that when using a CASE statement within a WHERE clause you have to surround the statement with parenthesis and assign it to a numeric value, e. name in ('order1', 'order2') or (<parameter> <> 1) and customer_order. Feb 21, 2019 · I’m commonly asked whether whether I can have a CASE Statement in the WHERE Clause. for example you had two strings s1='Apple' and s2='apple', if yow want to compare the two strings before executing the above statements then those two strings will be treated as two different strings but when you compare the strings after the Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. roleid AND rolename IN ( CASE WHEN (1 < 2) THEN ('Owner Role') WHEN (2 < 1) THEN ('Eval Owner Role') END); Jan 3, 2014 · Oracle doesn't treat Boolean expressions like other expressions — it handles them as syntax rather than as a type — so CASE expressions can't evaluate to Booleans. ((<parameter> = 1) and customer_order. In you first version you have. Oct 9, 2013 · I believe you can use a case statement in a where clause, here is how I do it: Select ProductID OrderNo, OrderType, OrderLineNo From Order_Detail Where ProductID in ( Select Case when (@Varibale1 != '') then (Select ProductID from Product P Where . Aug 7, 2009 · Where can I query the current case-sensitivity setting of an oracle database? For Oracle 10gR2 (and later), the parameters are NLS_COMP and NLS_SORT Here we are just wrapping that SELECT statement in COALESCE which, if it returns null, will grab the second parameter's value instead, which is the same column we are comparing. end; In where clause i want Aug 4, 2024 · In this query, we use the CHOOSE(CASE-END, 1, 0, 0, 0) function to select the second argument 1 when the CASE statement returns 1. Apr 23, 2018 · Hello guys, I would like to know whether it is possible to use a CASE condition in my WHERE clause using a parameter. Dec 18, 2008 · I wish to have a cursor with a select statement like this: select column from table1 t1, table2 t2 where t1. Or use IIF instead of a CASE: WHERE IIF(@MessageStatus = 4,m. g. Your continued use of Oracle Communities Jun 2, 2023 · Parameters of the CASE Statement. If no rows are being returned, it means your UPDATE statement won’t update anything, and you won’t get the results you’re looking for. name in (select order_name from customer_order) ) This is assuming that <parameter> is not NULL. Feb 1, 2018 · The FETCH FIRST clause is available only as of Oracle 12c, though. The below is my sample query: 1 SELECT * FROM dual 2 Feb 5, 2020 · I am trying to use a CASE statement in my WHERE clause:SELECT T. a in ( parameter). If the @UserRole variable value = 'Analyst', then the SupervisorApprovedBy column value must be NULL. DECLARE @param TABLE (id int) INSERT INTO @param VALUES (1), (2), (3) ;WITH Sales_CTE (SalesPersonID, SalesOrderID, SalesYear) AS ( SELECT SalesPersonID, SalesOrderID, YEAR(OrderDate) AS SalesYear FROM Sales. country = v_country and t1. COMPARE_TYPE <> 'A' AND T1. 12 or 0. Using dynamic SQL is overkill. SenderId ELSE m. You can specify a binary, case-insensitive, sort by altering the session. Oct 6, 2022 · I want to use case statement in where clause. You want to use this optional parameter in the SQL query. PROCEDURE getreport ( p_affiliates IN varchar2, p_StartDate IN date, p_EndDate IN date, p_ReturnValue OUT sys_refcursor ) IS BEGIN DECLARE sql_stmt VARCHAR2(4000); BEGIN sql_stmt := 'SELECT FIRSTNAME, LASTNAME, ADDRESSLINE, SUITE, CITY, STATE, ZIP FROM ORDERHEADER head INNER JOIN ORDERDETAIL detail on head. If none of the WHEN THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. END; I know case statement does not return an expression but a value. e: check for '' (empty string) first, then check for null then for equality e. select col1,col2, case when col3='E01089001' then 1 else 2 end, case when col3='E01089001' then 3 else 4 end end from Table1, dual where col1='A0529'; This Oracle WHERE clause example uses the WHERE clause to join multiple tables together in a single SELECT statement. When the parameter is Yes, I should As an additional input, although it does not relate to this thread, you can also aggregate your case statements without mentioning it in the group by clause. Like procedure samp (pId number, pValue varchar, details out T_cursor) is begin Open details for Select id, No,Name from tbl1 where. This will mean that every query performed in that session will perform case-insensitive parameters. if the flag is Yes then i want all the id where the column name is not null. A = Y. Either store in a temporary table or just write one query. If you object to any changes, you may request that your account be closed by contacting oracle-forums-moderators_us@oracle. COLUMN_NAME = (' Jun 16, 2011 · Here's another way of writing it which may address concerns about accessing the second table more times than necessary. Use table aliases that are abbreviations for the table names. roleid = roledef. But not getting any . If that is allowed, you need to add this into the logic. I get the error: local collection types not allowed in SQL statements on the line containing: SELECT ANOTHER_ID BULK COLLECT INTO my_array_TWO FROM ABC_REQUEST WHERE PARENT_ID IN my_array;, but it doesn't make sense because if I comment out that line, my_array prints fine, which means TYPE arr_type is TABLE of VARCHAR2(11 BYTE);. net release >= 11. How can i use some kind of Oct 7, 2008 · /** * Converts a SQL statement containing exactly one IN clause to an IN clause * using multiple comma-delimited parameters. Problematic sample query is as follows: select c Jan 14, 2016 · Case statement in where clause oracle. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. CASE expression in WHERE clause for diferent and. ORDERTRACKINGLOGID = detail Jul 14, 2018 · Following oracle query complies and works fine: SELECT Employee. Aug 28, 2015 · Your interpretation is correct. Example: connection. Mar 2, 2015 · Starting from Oracle 12c you could use CROSS APPLY to define expression and then you could refer to them in WHERE clause:. Step C. So then you might think you could do: Jun 28, 2016 · I have an Oracle procedure that uses a case statement, and inside the case is a WITH clause. Then I’ll move to other uses of the CASE statement, especially in an ORDER BY clause. Feb 20, 2022 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. I used the Jul 2, 2010 · I am facing a problem in executing queries with CASE statement. Account_ID FROM Accounts a WHERE case when @FirstName = '' then a. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group You can also write this without the case statement. Oct 25, 2017 · I'm trying to avoid dynamic sql. * @return The SQL statement with (?) replaced with multiple parameter * placeholders. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Aug 20, 2019 · The option type = '1' is common in both cases so you can leave it out of the CASE statement (also because it would be syntactically wrong to try to return 2 values from the CASE statement): where type = '1' and status = case when carName = :P_PARAMETER then 'N' else 'Y' end Apr 6, 2017 · We are creating a report in BI and it takes parameter from a dropdown list that populates based on SQL. CASE WHEN <condition> THEN <return expression> your query is malformed. I have written the following query and in this condition i can't use in clasue. This problem vexed me for years before I discovered this solution. I want to use as: when pcustomer_id IS NULL then WHERE c. ORDERDELIVERY is just a ~temporary table containing ORDER_IDs related to the parameter p_DrumNo. This really tripped me up, because I have used BOOLEAN parameter with Oracle data Sep 5, 2018 · TABLE function and where clause parameters retrieving Hi there,My goal is to return fieldX or fieldY depending on the where clause (which I don't have any control on since it's generated by a third party software). Display Parameters- parTerritory - set to #3 ; Hidden Parameters- parTerritoryBreak - set to #2 ; parTerritoryConcat - set to #1 ; Step B. For example, if the grade is A+ and student_id is 1001 , or if the grade is A and student_id is 2009 , it returns 1 (included), otherwise, it returns 0 (excluded). You don't need to use IF- Else or CASE in your statements. If both variables are empty, then don't filter the ID clause. Create your TVP type in MSSQL: CREATE TYPE [dbo]. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. You ARE using bound variables instead of literals, right? Some Databases have a limit on the number of items in the IN clause. May 22, 2020 · How do I make this query work in ORACLE SQL. SalesOrderHeader WHERE SalesPersonID IN (SELECT id FROM @param) ) SELECT SalesPersonID, COUNT(SalesOrderID) AS TotalSales Jul 2, 2017 · You could change that WHERE clause to. Example as follows: WHERE table1. ContractNo else @ContractNo end = tblContracts. Oct 17, 2012 · But i would like to use the decode on the whare clause. I use the following code for MS SQL and Sybase quite often to check whether a parameter is null or empty: SELECT * FROM tblName WHERE [ColumnName] = ISNULL(NULLIF(@parameter, ''), [ColumnName]) AND ('something else here') Feb 10, 2009 · Each statement, with a different number of items in the IN clause, has to be parsed separately. Thus, the solution in this case is to write the condition in the form of an expression. pphpqx fsweapm pygzqsd qfilbi mwbcmg dvtw iuywbj baetb ecdgbur spllt

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