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I'd like to write a SELECT statement that uses just one test to return columns with no value (null, empty, or all spaces). I thought this would work: SELECT column_name from table_name WHERE column_name NOT LIKE '%_%';
8 kwi 2011 · The solution posted by Taruz will not actually work as "Not" cannot be used in this way. The workaround is as follows: Code: Select Case MyVar Case String1, String2, String3, etc Test = False Case Else Test = True End Select.
The SQL Server ISNULL() function lets you return an alternative value when an expression is NULL: SELECT ProductName, UnitPrice * (UnitsInStock + ISNULL(UnitsOnOrder, 0)) FROM Products;
23 lut 2012 · A zero length string in a char column is the width of the. This is a portability issue with regards to Oracle vis-a-vis DB2, DB2 UDB, and SQL Server. A workaround for behavior consistent with those DBMS's is to use CHAR columns for nullable columns.
You can use null and blank values in expressions, either to check for null and blank values in an If statement, to compare null and non-null values, or to return a null or blank value in a return statement.
The IS_NOT_EMPTY function takes a set and returns TRUE if that set is not empty. The syntax of the IS_NOT_EMPTY function is: IS_NOT_EMPTY(<set>) where set is a set of any set data type. For example, set can be a multi-assign geocode attribute.
When attempting to execute this procedure, we will get a run-time error. To help identify the problem, modify the code slightly to print out the SQL string to the immediate window. This is the single most helpful debugging technique for troubleshooting SQL statements in VBA: Public Function SQLTest() Dim strSQL As String
