In MySQL do indexes get automatically deleted when the table is dropped? Is it true for other databases as well like Postgres?
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In MySQL do indexes get automatically deleted when the table is dropped? Is it true for other databases as well like Postgres?
All table data is removed; this includes indexes and the table definition.
Indexes can always be rebuilt given table data and definition remain intact, but not the other way around. It’s not possible to restore anything meaningful from indexes without anything else.
I’m not aware of another database server that would leave the indexes but that doesn’t mean there isn’t one.