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Which is the case statement with multiple conditions in SQL?
SQL case statement with multiple conditions is known as the Search case statement. So, You should use its syntax if you want to get the result based upon different conditions -. Searched Case checks equality as well as a Boolean expression using a comparison operator.
How to get multiple columns in one SQL CASE statement?
A CASE statement can return only single column not multiple columns. You need two different CASE statements to do this. select case when a.policyno [2] in (‘E’, ‘W’) then c.insuredcode else b.insuredcode end as insuredcode , case when a.policyno [2] in (‘E’, ‘W’) then c.insuredname else b.insuredname end as insuredname from prpcmain
Can a case statement be nested in another case?
CASE can be nested in another CASE as well as in another IF…ELSE statement. In addition to SELECT, CASE can be used with another SQL clause like UPDATE, ORDER BY. ELSE is optional in the CASE statement.
Can you evaluate different columns in case statement?
Yes, you can evaluate different columns in the CASE statement. Can you give a specific example of where it is giving you trouble? I still want to return *one value* per se but the value will depend on which condition is evaluated by the case
Are there multiple conditions in multple case conditions?
I have come up with the following, since there are multiple conditions (Value of ” or ‘Did Not Compete’), and I was getting the following error (Since resolved, see edit 2 below).
What happens if all the conditions are false in SQL?
If all the conditions are false, It will return the result of the ELSE block. Note – If the ELSE block does not exist and all the conditions are false, it will return a NULL value. You have to use one of the following syntaxes to execute the SQL statement with CASE.
What happens if condition 1 is not true?
If condition_1 is true, then the next conditions will be skipped, and CASE execution will be stopped immediately. If condition_1 is false, then the case checks the next condition. This process of checking conditions will continue until the condition is not true.
When to use two case expressions in a query?
When I run the query, the case statement seems to be evaluating only the first condition and ignores the send condition where the values exist. A CASE expression returns *one* value. If you, say, want to return two columns, each based on some condition, then you need to use two CASE expressions.