Every published module, all in one place.
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4 modules
Database → Schema Design
Schema fundamentals that prevent the expensive-to-fix mistakes: keys, constraints, normalization, correct types, and indexing discipline.
by @markdowners
Database → Migrations
How to change a live schema safely: backward-compatible rollout steps, no same-migration drops, and lock-aware changes on large tables.
Database → Mysql
PHP + MySQL conventions on top of database-design-basics: prepared statements, utf8mb4, InnoDB, and PHP's shared-nothing request lifecycle.
Database → Postgres
PostgreSQL-specific conventions on top of database-design-basics: naming, precise types (citext/jsonb/timestamptz), and RLS basics.