Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is updated or ...

When I am working with an Oracle database, I still find myself using SQL*Plus for many quick and dirty database queries. In particular, I often look up constraints in SQL*Plus. In this post, I look at ...

This project demonstrates the use of various DDL (Data Definition Language) constraints and SQL operations to manage a simple database for a sales system. Create a table named Orders with columns: ...