Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform ... these constraints work, I’ll add some data to my tables.

Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table ... adding indexes for common queries, or by adding foreign key ...

and tables are related through foreign keys. SQL is used to declare the data to be returned, and a SQL query processor and query optimizer turn the SQL declaration into a query plan that is ...