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15 mar 2013 · You need to check for null explicitly: SELECT CASE WHEN last_name is NULL THEN first_name ELSE first_name + ' ' + last_name
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11 lip 2012 · Yes - I did try CASE WHEN (ID IS NULL) THEN 'YES' ELSE 'NO' END AS ID_Value But I am looking for some other better approach something like IF(ID IS NULL, 'YES', 'NO') AS ID_Value in the Ms Sql, so that everything can be in a single line. Any suggestions please
The SQL CASE Expression. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result.
30 paź 2023 · SQL CASE statements coupled with IS NULL/IS NOT NULL checks provide a robust mechanism for handling NULL values in conditional business logic. To recap the key guidelines: Thoroughly check for possible NULLs in every branch of CASE statements.
28 mar 2019 · I have an SQL query where the case expression is not working because I am getting the NULL value. Any idea how to fix this? select td.reportEndDate, CASE td.originalLinearAirDate WHEN NULL THEN '12345678' END As originalLinearAirDate from FROM DBA.Telecast td where id = 2 order by td.reportEndDate, originalLinearAirDate;
4 lis 2022 · With SQL, you can do this using the CASE statement. You use the CASE keyword together with the WHEN clause to execute a block of conditional statement code. You use a THEN statement to return the result of the expression. If none of the conditions are met, then you use a final ELSE clause to return a fallback result.
