Storing consistent and sound data with PostgreSQL CHECK CONSTRAINTS.

Data integrity and consistency should be top priorities for anyone who works with data. Wondering how can you enforce these practices in PostgreSQL? The CHECK CONSTRAINT is ready to do work!

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Discovering the ALTER TABLE command and INSERT statement with examples in PostgreSQL.

This blog post will demonstrate basic concepts of the ALTER TABLE command for changing an existing PostgreSQL table. INSERT statements will be introduced as well to populate an empty table with mock data. Visit Part 1 of this series for a refresher of the material covered up to this point.

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