日期:2014-05-18 浏览次数:20774 次
create table #t( id int, pwd char(5) ) declare @i int set @i=1 while @i<1000 begin insert #t values(@i,right(10000+convert(bigint,abs(checksum(newid()))),5)) set @i=@i+1 end select * from #t drop table #t
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select top 10000 identity(int,0,1) id,newid() pwd into # from syscolumns a,syscolumns b select * from #
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select id=right('000000'+convert(varchar(10),id),5),pwd from #
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CREATE TABLE t
(
id VARCHAR(9),
pwd VARCHAR(6)
)
SELECT TOP 99999 id=IDENTITY(INT,1,1),
pwd = CHAR(65+RAND(CHECKSUM(NEWID()))*25)+CHAR(65+RAND(CHECKSUM(NEWID()))*25)+
CHAR(65+RAND(CHECKSUM(NEWID()))*25)+CHAR(65+RAND(CHECKSUM(NEWID()))*25)+
CHAR(65+RAND(CHECKSUM(NEWID()))*25)+CHAR(65+RAND(CHECKSUM(NEWID()))*25)
INTO #
FROM SYSOBJECTS A, SYSOBJECTS B
INSERT INTO T
SELECT REPLICATE('0', 5 - DATALENGTH(CAST(id AS VARCHAR)))+CAST(ID AS VARCHAR),PWD FROM #
SELECT * FROM t
DROP TABLE #
DROP TABLE T
------解决方案--------------------
select top 100000 identity(int,0,1) id,left(newid(),6) pwd into # from syscolumns a,syscolumns b select id=right('000000'+convert(varchar(10),id),5),pwd from #
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select top 10000 identity(int,0,1) id into tmp from syscolumns a,syscolumns b select right('0000' + cast(id as varchar),5) id ,newid() pwd from tmp drop table tmp /* id pwd ---------- ------------------------------------ 00000 457E4091-B8D7-4162-9A85-4313C458EE5B 00001 741749DE-076D-4ED5-B783-80C7C1807C9E 00002 636F9A57-B484-4751-A3E6-CD71B491F415 00003 C4DF3323-3D9B-4238-B5B8-882D4AF13909 00004 E1829729-C4DD-4B5A-BFBA-FA5F05A385E5 00005 801B1654-D65D-4BD8-822E-E335E262C0D4 00006 A45AD29A-333F-4BA7-B811-5EF2F529B1D0 00007 D05D937F-C0B7-4081-AA94-B94151333428 .............. */
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太多正确答案了。
------解决方案--------------------
select top 5 identity(int,0,1) id,newid() pwd into # from syscolumns a,syscolumns b select '0-'+right('00000'+convert(varchar(5),convert(int,right(id,5))+1),5) as id,pwd from # /* 0-00001 E52529E1-BBEE-4F82-83ED-9BCA305ECEC5 0-00002 F0DD2E19-42AF-4AA9-ACA7-6170D71EBDF8 0-00003 8DA2BDCE-3054-4029-BD8E-86DCEBC3CEEC 0-00004 94DB98B9-787B-4C06-B97A-3C7FABE22FEC 0-00005 3015B48B-36DB-4A67-A938-BA99D260EA9A */