🟢 The Backend🐘Chapter 28PostgreSQL & SQLThe world's favorite open-source database. Schemas, queries, joins, indexes, transactions.3 lessons~1.4 hr1SQL BasicsSELECT, INSERT, UPDATE, DELETE. WHERE, ORDER BY, LIMIT. 30m2Joins, Aggregations, TransactionsINNER/LEFT joins, GROUP BY, COUNT, BEGIN/COMMIT. 30m3Indexes & PerformanceB-tree, GIN, EXPLAIN ANALYZE, N+1, the cost of writes. 25m Previous chapter🛜 Building a REST APINext chapter 🧬 ORMs: Prisma & Drizzle