SQL history Before there was SQL, databases had tight, navigational programming interfaces, and typically were designed around a network schema called the CODASYL data model.

Now run dbt and watch it fail to drop the primary key constraint. Expected behavior This SQL should have CASCADE at the end when a primary key constraint is dropped, so that foreign key constraints ...

Database-Developer-task-2 Database Development Task: Design and Implement a Database for a Tour and Travel Website (Intermediate Level) Objective Create a structured, efficient, and secure database ...