SQL: From A to Z


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SQL: From A to Z

About the Book

For complete beginners, SQL: From A to Z is full of those terms and concepts that pop up during training, this is for you if you need a refresher or have a junior analyst in your life that needs something to refer back to.

About the Author

Table of Contents

  • SQL: From A to Z
  • Alias
  • Begin Transaction
  • CTEs (Common Table Expressions)
  • Datamarts
    • Star model
    • Snowflake model
  • ETL (Extract, Transform, Load)
  • Function
  • Group By
    • COUNT all the things
    • Filtering with GROUP BY
  • Heaped Storage
    • Clustered Indexes
    • Nonclustered Indexes
  • Integrity
    • The Primary Key
    • Constraints
    • Entity Relationship Diagram (ERD)
    • Crows Foot notation
  • Join
  • Killing Locking Queries
  • Logic
  • Massive Parallel Processing (MPP)
    • Distribution Keys
  • Normalisation
    • OLTP - Online Transaction Processing
    • OLAP - Online Analytics Processing
  • Privileges
  • Query Plan
  • Recovery
  • System Tables
  • Truncate v Drop
    • DELETE
  • Union
    • UNION
  • View
  • Window Function
    • Ranking Function
  • Excel uploads
  • Year
  • Zero
  • Appendix: Resources for Beginner Data Analysts
    • Getting started with SQL
    • Data Visualisation
    • Presenting data and speaking
    • Requirements Gathering
    • Blogging about your experience

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