Count null bit1 values : Bit « Data Type « SQL Server / T-SQL






Count null bit1 values


1>
2> CREATE TABLE T (
3>     int1 int,
4>     bit1 bit,
5>     varchar1 varchar(3),
6>     dec1 dec(5,2),
7>     cmp1 AS (int1 + bit1)
8> )
9> GO
1> INSERT T (int1, bit1) VALUES (1, 0)
2> GO

(1 rows affected)
1> INSERT T (int1, varchar1) VALUES (2, 'abc')
2> GO

(1 rows affected)
1> INSERT T (int1, dec1) VALUES (3, 5.25)
2> GO

(1 rows affected)
1> INSERT T (bit1, dec1) VALUES (1, 9.75)
2> GO

(1 rows affected)
1> --Count null bit1 values
2> SELECT COUNT(*) 'Count of null bit1'
3> FROM T
4> WHERE bit1 IS NULL
5> GO
Count of null bit1
------------------
                 2

(1 rows affected)
1>
2> drop table t
3> GO
1>
2>
           
       








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