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SQL

The language of databases

SQL (Structured Query Language) is the universal way to ask questions of a relational database. Every web app, analytics dashboard and report ultimately leans on SQL.

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Chapters

  1. 1Introduction to SQL
  2. 2Setting up SQL
  3. 3SQL Syntax
  4. 4Variables
  5. 5Data Types
  6. 6Operators
  7. 7Conditional Statements
  8. 8Loops
  9. 9Functions
  10. 10Arrays and Collections
  11. 11Strings
  12. 12Objects and Structures
  13. 13Error Handling
  14. 14Modules and Packages
  15. 15Input, Output and Files
  16. 16SQL Syntax Cheatsheet
  17. 17Best Practices and Next Steps