Re: Is there any Faster workaround ??

How about:

DELETE  from t_a where exist (select email from t_b where t_b.email =
t_a.email)

Rajesh Kumar Mallah wrote:
> 
> Hi folks,
> 
> We require to do below or similar quite often
> 
> DELETE  from t_a where email in (select email from t_b);
> 
> everyone knows "IN" is pain fully slow currently in pgsql
> is the any fster alternative to above query
> 
> regds
> Mallah.
> 
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