Sql case when multiple then. SQL Case statement with 'or' and 'and' 10.
Sql case when multiple then If the year is greater than 2013, then I want to search the current year and the previous year. * from table ) select userid , case when IsNameInList1=1 then 'Apple' when IsNameInList2=1 then 'Pear' end as snack , case when IsNameInList1=1 then 'Milk' when Dec 12, 2017 · select id, case when V1=1, then 'A' when V2=1, then 'B' when V3=1, then 'C' when V4=1, then 'D' when V5=1, then v5_text SQL return multiple values from CASE May 13, 2014 · I'm trying to write a CASE statement in the WHERE clause that goes something like this. type="bk" THEN books. ColumnX, TB1. Number WHEN '1121231','31242323' THEN 1 WHEN '234523','2342423' THEN 2 END AS Test FROM tblClient c; May 25, 2016 · I need to use a CASE WHEN statement in my query with multiple 'THEN' options. CASE evaluates a list of conditions to return specific results. The SQL CASE Expression. 4. Aug 23, 2024 · This is your comprehensive guide to multiple case when in SQL. ID Service_Line 194 FLAG1 200 FLAG1 200 FLAG5 My problem is that the Case expression only returns the first result so I end up with this. Ask Question Asked 6 years, 2 months ago. id2 END as column_2 Check the official documentation for more information. SELECT product_name, list_price, CASE category_id WHEN 1 THEN ROUND (list_price * 0. Apr 23, 2013 · I am using T-SQL and I am trying to have a then statement return multiple values so I can search the 'Year' column for multiple years. So something like this: WHERE region = CASE WHEN @cbEU = 'true' **THEN 0 OR 1** ELSE 2 END Or perhaps Oct 10, 2018 · SQL Server : case multiple operations in then part. Jul 29, 2012 · Probably not. Case Statement Multiple Then values. This tutorial shows you how to use two forms of SQL CASE: simple CASE and searched CASE expressions to add the IF THEN ELSE logic to SQL statements. The way that you are suggesting in your second code block will not work. Apr 30, 2013 · You have to repeat your case construct for each column name. Jun 11, 2021 · SQL queries support case expressions. CASE is a statement and can only be used to return the value for a single column. So if none of Oct 31, 2016 · I'm new to SPARK-SQL. product_name ,pn_product_version => pr_out_rec. Sep 16, 2011 · The question is specific to SQL Server, but I would like to extend Martin Smith's answer. ColumnZ) THEN Statement1 ELSE ' ' END AS MyColumn Mar 10, 2016 · Functions destroy performance. My problem is that at the end of this I want to say ELSE CalendarQuarter IN (@Q1,@Q2,@Q3,@Q4). Id) -- omitted other columns else column1 end) FROM A; Jun 27, 2014 · Can we have multiple case then statements in sql. Is there an equivalent to "CASE WHEN 'CONDITION' THEN 0 ELSE 1 END" in SPARK SQL ? select case when 1=1 then 1 else 0 end from table Thanks Sridhar Apr 15, 2012 · You can use another column to store the other id with (a similar case) and use nulls to represent the else values, just like you're doing now. For some complex WHERE clauses, it may make sense to use it (your current one can be solved without, as @Somebody is in trouble's answer shows), but you need to structure it to return a single result value or expression: Select ID ,Case When [FLAG1] = 'Y' Then 'FLAG1' When [FLAG2] = 'Y' Then 'FLAG2' End as 'Service_Line' What I want is a result that looks like this. The CASE expression cannot be used to control the flow of execution of Transact-SQL statements, statement blocks, user-defined functions, and stored procedures. 18. SQL Case with multiple values. I assume that you want something like this: select A, B, (case when A = 'default' then 'dl_vint' when A = 'non default' then 'lw_vint' when A = 'Deliquent' then 'hg_vint' end) from Application The following query uses the CASE expression to calculate the discount for each product category i. So if the year is 2016, I want to search for 2016 AND 2015. That is why you define the result of the CASE as a column, but cannot define columns in the case state Multiple values in SQL CASE's THEN Statement. Evaluates a list of conditions and returns one of multiple possible result expressions. WHEN condition_statementN THEN resultN ELSE result END; When you use the CASE statement, it has to be followed by a WHEN and THEN the result if the first condition is met. SQL Case statement with 'or' and 'and' 10. SQL - Case statement with multiple then. , CPU 5%, video card 10%, and other product categories 8%. If you want to have this evaluation only once, the query gets slightly more complicated, as you'd go in two steps: Nov 22, 2016 · I have searched this site extensively but cannot find a solution. . Multiple THEN to a single Dec 2, 2011 · A CASE statement can return only one value. Id) when '3' then (select value from D where D. 1, 2) -- Video Card ELSE ROUND (list_price * 0. For example (using SQL Server 2K5+ CTEs): Jun 20, 2012 · CASE is an expression - it returns a single result of a well defined type:. Viewed 2k times 3 I have this case as a Sep 3, 2024 · Transact-SQL reference for the CASE expression. Something like this: case ColumnName when 'A' then 'Apple' when 'B' then 'Banana' end ColumnName, case ColumnName when 'A' then '1' when 'B' then '2' end ExtraColumn, There is a gotcha here. id1 END as column_1, CASE WHEN wall. But you could use a common-table-expression(cte): with cte as ( Select IsNameInList1 = case when name in ('A', 'B') then 1 else 0 end, IsNameInList2 = case when name in ('C', 'D') then 1 else 0 end, t. You may use the following syntax trick: CASE WHEN 'Value' IN (TB1. So, once a condition is true, it will stop reading and return the result. Oct 20, 2017 · SELECT (case A. Aug 27, 2015 · Just Replace your case like below . SQL:2003 standard allows to define multiple values for simple case expression: SELECT CASE c. clientId=100 and '2'=C. policy_reference ,pv_product_name => pr_out_rec. Aug 30, 2022 · In my query, in Microsoft SQL, I want to say like: errorCode != case when :machine=1 then 158 to 160 when :machine=3 then 87-95 else 0 end Right now I am writing multiple cases like below. Modified 6 years, 1 month ago. method_name in ('ProductName','ProductVersion','ProductType') THEN -- population record with product name , product version and product type p_required_det(pn_product_reference => pr_mi_exits. Aug 20, 2024 · In this article, we’ll explore how to use the CASE statement with multiple conditions, providing simple examples that should work across most major relational database management systems (RDBMS s). Nov 4, 2022 · The SQL CASE statement has the following syntax: CASE WHEN conditional_statement1 THEN result1 . 05, 2) -- CPU WHEN 2 THEN ROUND (List_price * 0. ColumnY, TB1. sql Multiple case Statement. Example: CASE WHEN wall. An expression returns a single value. 7. Jan 6, 2015 · Here is an extract of my table: gid | datepose | pvc ---------+----------------+------------ 1 | 1961 | 01 2 | 1949 | 3 | 1990 | 02 Jun 24, 2019 · It is not possible to check for multiple equalities using just a single expression. clientId=100 and '3'=D. 1. You may be able to turn this into a subquery and then JOIN it to whatever other relations you're working with. Discover tips and strategies to effectively apply this conditional logic in your queries. column1 when '1' then (select value from B where B. e. Feb 27, 2017 · Your query is very readable and I see no real disadvantage in copy-pasting the expression. product_version ,pv_product_type => pr_out_rec . 0. . Oct 25, 2012 · A different way to write case comes close, but then you have to repeat the variable: Multiple OR Clauses in sql server. Id) when '2' then (select value from C where C. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). CASE WHEN lr_my_rec. For a list of control-of-flow methods, see Control-of-Flow Language (Transact-SQL). 2. Here is the example of my query: SELECT ActivityID, Hours = (CASE WHEN ActivityTypeID <> 2 THEN FieldName = (Some Aggregate Sub Query), FieldName2 = (Some other aggregate sub query) WHEN ActivityTypeID = 2 THEN FieldName = (Some Aggregate Sub Query with diff result), FieldName2 = (Some Other Aggregate Sub Query with diff result Nov 17, 2016 · SQL Server allows for only 10 levels of nesting in CASE expressions. MYSQL CASE THEN statement with multiple values. 08, 2) -- other categories END discount FROM products select empno, firstnme, midinit, lastname, case when edlevel < 15 then 'secondary' when edlevel < 19 then 'college' else 'post graduate' end from employee Another interesting example of CASE statement usage is in protecting from division by 0 errors. clientId=100 and '1'=B. mkw zbsxzl rxwe toobno drpb vihhv szu bksugm sqrwuy jufg