数据库简单操作
IF OBJECT_ID('tempdb..##table_temporary') IS NOT NULLBEGIN
DROP TABLE ##table_temporary
end
CREATE TABLE ##table_temporary
(
EmpCode VARCHAR(40) NOT NULL,
EmpName NVARCHAR(40) NOT NULL
);
INSERT INTO ##table_temporary
( EmpCode, EmpName )
SELECT EmpCode, EmpName FROM
.
SELECT * FROM ##table_temporary
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