delete then insert

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So – I THINK I know – that when a row is deleted from a table – the row is not actually removed from the table – but, merely marked as deleted, thus becoming a dead tuple.
AUTOVACUUM – takes care of the process of removing these dead tuples.

 

My question. If – an insert occurs to that same table before autovacuum comes along, does that inserted record use a dead tuple? Or – does the insert result in an actual added row?

 

 

Ken Benson | ken @ infowerks-dot-com

 

 


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