SQL, or Structured Query Language, is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS).^[1]

SQL examples

• SELECT * FROM table_name;
• SQL/Join

Learning Projects

• Databases
• Database Fundamentals
• Database Management
• AWS RDS
• MariaDB
• MySQL
• Oracle SQL Fundamentals

See Also

• Wikipedia:SQL
• Wikibooks: Structured Query Language
• A Gentle Introduction to SQL By Andrew Cumming - School of Computing, Napier University, Edinburgh, UK. 1999-2005 (Available in Albanian, German, Spanish, Chinese, French, Italian and Portuguese)
• SQL Tutorial at 1Keydata.com
• SQL Tutorial at SQL-Easy.com
• SQL Quick Reference SQL for common statements across SQL-92, Postgres, Sybase, SQL Server, Oracle and MySQL

References