About this document
SQL Fundamentals and Query Techniques by priya suman is a document available to read on EtoBox.
Unit 2.2 covers SQL fundamentals including data definition, basic query structure, set operations, aggregate functions, and handling of null values. It discusses the history of SQL, data types, and commands for creating, altering, and dropping tables, as well as the structure of SQL queries and clauses such as SELECT, WHERE, and FROM. The section also highlights string operations, ordering results, handling duplicates, and using aggregate functions.
- Author
- priya suman
- Language
- EN