Where can I find sql exercises?

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Singularity2014-09-05 17:19:41

SQL

Singularity, 2014-09-05 17:19:41

Where can I find sql exercises?

Hello.
What would be complex tasks for all sorts of RANK, JOIN, VIEWS, etc.
Preferably Postgres

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Max, 2014-09-05
@Singularity

sql-ex.ru

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