|SQL exercises||May 23, 11:45 MSK|
Usage of SELECT statement: the learning stage
Here you can get practice in constructing queries on data retrieving (SELECT statement of SQL language). The exercises included are addressing to beginners and can be solved in arbitrary order. In order your solutions have been stored in system, the statistics of the solved exercises were conducted, there was an opportunity of participation in ratings and discussions in forum the registration and the authorized logon is required.
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