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SQL Table Creation and Constraints by FriedenKodjo is a document available to read on EtoBox.

What is SQL Table Creation and Constraints about?

The document outlines the creation of several SQL tables, including T_CLIENT, T_FACTURE, T_COMPTE, and Persons, detailing their structure and primary key constraints. It explains the use of UNIQUE constraints and how they differ from PRIMARY KEY constraints, emphasizing that a table can have multiple UNIQUE constraints but only one PRIMARY KEY. Additionally, it provides an example of using the GROUP BY clause to calculate total amounts spent by customers in the Orders table.

Author

FriedenKodjo

Language

EN