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一简单查询,请各位帮忙!
有个表,如下:
A B
--------
a 1
b 2
w 1
4 1
我想查出B字段里为"1"的个数来,该怎么写SELECT呢?
A B
--------
a 1
b 2
w 1
4 1
我想查出B字段里为"1"的个数来,该怎么写SELECT呢?
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Yang_ 2002-09-10
SEELCT COUNT(*) FROM TABLENAME WHERE B='1'
lxinjun 2002-09-10
select sum(b) as gs from table where b=1
ptpa 2002-09-10
select count(*) from table1
where b='1'
where b='1'
microlong 2002-09-10
DECLARE @a INT
SET @A=(select count(*) from table where b='1')
PRINT '@A'
SET @A=(select count(*) from table where b='1')
PRINT '@A'
comicgirl 2002-09-10
select count(*) from table where b='1'
zlbjack 2002-09-10
select count(*) from table1 where b='1'