bossql

Learn SQL through challenges.

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SELECT basic 6

Get different records from different tables.

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UPDATE basic 2

Update different records from different tables, corresponding constraints.

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INSERT basic 2

Insert new records to different tables.

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DELETE basic 1

Delete different records from different tables.

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ALTER basic 2

Change structures of tables.

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CREATE basic 1

Create new tables.

sphexide
SELECT intermediate 6

Get different records from different tables.

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