摘要:
select convert(nvarchar(30),convert(decimal(11,0),Mobile)) mobile,studentname from yuanboguojistudent_excel WHERE mobile IS NOT NULL
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摘要:
update T1 set T1.NextKey = T2.Key from TableA T1, TableA T2 whereT2.Index = T1.Index + 1
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摘要:
1.INSERT INTO SELECT语句语句形式为:Insert into Table2(field1,field2,...) select value1,value2,... from Table1要求目标表Table2必须存在,由于目标表Table2已经存在,所以我们除了插入源表Table1...
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