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26 lip 2013 · In this situation you can use ISNULL() function instead of CASE expression . ISNULL(B.[STAT], C.[EVENT DATE]+10) AS [DATE]
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.
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 –
3 lis 2009 · Given ISNULL(<exp1>,<exp2>), <exp1> is not evaluated twice when not null - a feat one can't duplicate using CASE WHEN. Moreover the data type returned from ISNULL can be different from a CASE WHEN implementation.
1 paź 2012 · ISNULL(@VariableEqualToZero,1) use. CASE WHEN @VariableEqualToZero IS NULL OR @VariableEqualToZero = 0 THEN 1 ELSE @VariableEqualToZero END. COALESCE and ISNULL are essentially just shortcuts for a CASE statement. You can consult the help for the syntax of CASE.
There are 3 possible ways to deal with nulls in expressions: using IsNull, Coalesce or CASE. I've explained these under separate headings below! The ISNULL Function. This function substitutes a given value when a column is null. The syntax is:
24 maj 2011 · SELECT CASE WHEN CONVERT(VARCHAR(100),column1) + column2 +CONVERT(VARCHAR(100),column3) is NULL THEN 0 ELSE 1 END,* FROM #test
