Explain analyze

Martin Kersten martin.kersten at cwi.nl
Sat Apr 30 14:18:37 CEST 2016

See the documentation:https://www.monetdb.org/Documentation/Cookbooks/SQLrecipes/QueryTiming

MonetDB does not contain a cost-based optimizer as you find in other systems.

You can use both 'EXPLAIN SELECT....' and 'TRACE SELECT ....' to get insight into
the expensive components.

On 30/04/16 12:41, Shmagi Kavtaradze wrote:
> In postgres I could use explain analyze to see actions performed by database and their cost. I was not able to run explain analyze. I ran EXPLAIN, but can not see any plan or cost. Any ideas how to get costs and query plan like in Postgres?
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