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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]
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 –
1 sie 2017 · You can check if a field or variable is equal to NULL because all comparisons to NULL return NULL (which in a CASE or IF predicate is taken as meaning false), so WHEN <FieldOrVariable> = NULL THEN <output> and WHEN <FieldOrVariable> <> NULL THEN <output> will never match.
17 maj 2013 · declare @BudgetFilter int; set @Budgetfilter = 0; AND CASE @BudgetFilter WHEN 0 THEN ISNULL(Project.Contribution, 0) >= 25000 END. The error is with the >. Error message: "Incorrect syntax near '>'." Some additional background. Budget filter may be one of 3 values. 0,1,2 which translate into >=25K, <25K, <0 respectively.
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:
27 sty 2017 · You can use either CASE structure to do this, but you can't call a function if you use the CASE fieldname WHEN approach, so you can either use CASE WHEN fieldname condition: CASE WHEN color = 'black' THEN 'b'. WHEN color = 'red' THEN 'r'. WHEN color IS NULL THEN 'empty'. else 'n/a'.
14 cze 2011 · I have a section of code that is part of a PROC, where the conditions being looked at is using a CASE statement, along with SUBSTRING conditions. The need that I have to account for is if a...
