SQL Constraints Example
Yatin B.1 min read
Date: 2019-07-22
This tutorial explains SQL constraints, which maintain data integrity in database tables. It covers common constraints: NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK, and DEFAULT, illustrating their creation using MySQL commands. The article also shows how to drop constraints and apply them after table creation using ALTER statements. The examples demonstrate how these constraints ensure data validity and relationships between tables.
Read more: https://examples.javacodegeeks.com/core-java/sql/sql-constraints-example/
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