About this document

Defining Primary Key Constraints in SQL by Arbab is a document available to read on EtoBox.

This document discusses defining primary key constraints in Oracle databases. It explains that a primary key uniquely identifies rows in a table and can be defined as a simple primary key using one column or a composite primary key using multiple columns. Primary keys can be defined using the CREATE TABLE or ALTER TABLE statements and can be enabled or disabled by name. The document also covers restrictions on primary keys.

Author

Arbab

Language

EN