SQL exercises | October 12, 00:32 MSK |
Exercises on usage of SELECT statement Here you can practice in solving exercises on data retrieving (SELECT statement of SQL
language). The tasks of the first stage testing are accessible without registration
(the "Enter without login" button). However, for your decisions were kept in system,
the statistics of the solved problems was conducted, there was an opportunity of
participation in ratings and discussions, to be able to order the certificate,
registration and the authorized logon is required. More about certification. Please identify Yourself:
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