select * from xxxx where datediff(m,dt1,dt2)
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datediff:日期比较函数,SQL server自带的,会将比较的两个日期比较部分的差值返回,m表示比较月
SET @COUNTA= len(replace(@ROW,',',',,'))-len(@ROW)
SET @COUNTB=LEN(REPLACE(@VALUES,',',',,'))-LEN(@VALUES)
IF(@COUNTA@COUNTB)
--2个表比较
DECLARE @SourceTableName VARCHAR(100)
DECLARE @DestTableName VARCHAR(100)
SET @SourceTableName = 'TableA'
SET @DestTableName = 'TableB'
SELECT A.TABLE_NAME AS SourceTable
,A.COLUMN_NAME AS SourceColumn
,A.DATA_TYPE AS SourceType
,B.TABLE_NAME AS DestTable
,B.COLUMN_NAME AS DestColumn
,B.DATA_TYPE AS DestType
FROM (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @SourceTableName) A
FULL OUTER JOIN (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = @DestTableName) B
ON A.COLUMN_NAME = B.COLUMN_NAME AND A.DATA_TYPE = B.DATA_TYPE
WHERE A.TABLE_NAME IS NULL OR B.TABLE_NAME IS NULL
