how to find columns with null values in sql

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Braxton
27 Mar 2016
1declare @col varchar(255), @cmd varchar(max)
2
3DECLARE getinfo cursor for
4SELECT c.name FROM sys.tables t JOIN sys.columns c ON t.Object_ID = c.Object_ID
5WHERE t.Name = 'ADDR_Address'
6
7OPEN getinfo
8
9FETCH NEXT FROM getinfo into @col
10
11WHILE @@FETCH_STATUS = 0
12BEGIN
13    SELECT @cmd = 'IF NOT EXISTS (SELECT top 1 * FROM ADDR_Address WHERE [' + @col + '] IS NOT NULL) BEGIN print ''' + @col + ''' end'
14    EXEC(@cmd)
15
16    FETCH NEXT FROM getinfo into @col
17END
18
19CLOSE getinfo
20DEALLOCATE getinfo
source
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