You don't need a full inner join. Maybe try:

delete
    from a
where a.col1 in (select distinct col1 from b)

[download]

But what I wonder about in your SQL is why you have two references to the same table tbl. Do you really want to delete the whole table?

In reply to Re^3: cleaning up dbi code by Corion
in thread cleaning up dbi code by Anonymous Monk

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