Table Variables and Set Operators

Course link : https://www.edx.org/course/databases-5-sql?index=product&queryID=75caefca167c6097be8a020e2149907f&position=1

Databases: Relational Databases and SQL
This course is one of five self-paced courses on the topic of Databases, originating as one of Stanford's three inaugural massive open online courses released in the fall of 2011. The original "Databases" courses are now all available on edx.org.

This course provides an introduction to relational databases and comprehensive coverage of SQL, the long-accepted standard query language for relational database systems.

Databases: Advanced Topics in SQL and Databases: OLAP and Recursion are follow-on courses to this course and can be taken in either order. Advanced Topics is a broad and practical course covering indexes, transactions, constraints, triggers, views, and authorization, while OLAP and Recursion is recommended for learners with specific interest in these topics.

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