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set autotrace off
set autotrace on
set autotrace traceonly
set autotrace on explain
set autotrace on statistics
set autotrace on explain statistics
set autotrace traceonly explain
set ......
father±í son±í
fid fname sid sname fid height money
1 a 100 s1 1 1.7 7000
2 b 101 s2 2 1.6 8000
3 c 102&nbs ......
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create or replace type t_test as object(
id integer,
rq date,
mc varchar2(60)
);
cr ......
IF EXISTS (SELECT name from master.dbo.sysdatabases WHERE name = N'MyDatabase')
DECLARE @backupdate varchar(255);
DECLARE @result int
DECLARE @result1 int
DECLARE @dbid uniqueidentifier
SET @dbid = NEWID()
EXEC @result = xp_cmdshell 'cd D:\SQLServerBackups';
IF (@result = 1)
EXEC @result1 = ......