henryJack wrote:
> What secret resipy of PostgreSQL (insert more faster than delete)?
>
> I doing an investigation on PostgreSQL, I figure out PostgreSQL powerful in
> inserting data into the database.
>
> We normally, expect that insert more slow than select and delete queries
> because database have to create a row then set the data one by one into the
> database (in between check is it the row correct to inside?)....
>
> Delete just delete the whole row that checked ones.
Not really. I don't know the nitty-gritty of how postgres does it's work
but foreign key checks, triggers, rules, the number of indexes in a
table (amongst other things) can all affect insert, update and delete
speeds.
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