How do I conditionally create a table in Sybase (TSQL)?

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有刺的猬
有刺的猬 2020-12-14 20:31

OK, so Sybase (12.5.4) will let me do the following to DROP a table if it already exists:

IF EXISTS (
    SELECT 1
    FROM sysobjects
    WHERE name = \'a_t         


        
9条回答
  •  感动是毒
    2020-12-14 20:59

    This works when tested with Sybase anywhere 10.01 :

    if not exists(select * from SysColumns where tname = 'AAA') then create table DBA.AAA(  UNIQUEID integer not null ) END IF ;
    

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