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4 / 25 written chapters
The cover
  1. B1Relational model
  2. B2SELECT fundamentals
  3. B3Joins
  4. B4Aggregations
  5. B5Insert/update/delete
  6. B6Types & constraints
  7. B7Schema design basics
  8. B8Using a DB client
  1. I1Normalization in depth
  2. I2Indexes
  3. I3Transactions
  4. I4Subqueries & CTEs
  5. I5Query performance
  6. I6NoSQL fundamentals
  7. I7ORMs
  8. I8Migrations
  9. I9Backups & replication
  1. A1Database internals
  2. A2Scaling reads
  3. A3Scaling writes
  4. A4Advanced transactions
  5. A5Caching layers
  6. A6Security in depth
  7. A7Time-series & analytical
  8. A8Schema case study

DBB4 · Part 1 · Beginner

Aggregations

Not written yet.
4 of 25

Sketch only

01This chapter will cover

Aggregations

  • GROUP BY, HAVING, common aggregate functions

→Next stop

  1. B3Previous · B3Joins
  3. B4you are here
  5. Next · B5Inserting, updating, deletingNext chapter

01Meanwhile

  • JavaScript is written, start there
  • R3 · JavaScript & TS covers this in the interview book