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July 31, 22:01 MSK

SQL Exercises is intended for acquiring good practical experience, which is focused on data operation, namely on SQL DML. Certain exercises for beginners are provided on the site, they are supplied with the necessary reference source on SQL syntax with a great number of examples. Apart from them, 3 rating stages are suggested, they are aimed at testing of specialists and their certification. The source is absolutely free of charge, and the certificate purchase has a voluntary basis.
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Exercises on usage of INSERT, UPDATE, DELETE statements

Here you can practice in solving exercises on data modification (which in combination with SELECT statement present Data Manipulation Language - SQL DML). These tasks are included in the first certification stage, however, they are unaccessible without registration because of calculating time spent on solving each exercise in the same manner as it has been done for the second testing stage on SELECT statement.
On this page it is possible to carry out any DML statements addressed to the learning databases including SELECT statement. In the later case, the correctness of the solution will not be accomplished, so the "without check" checkbox is checked automatically. For order any certificate, you should solve all the exercises of this section. More about certification.

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