sql-fundamentals

Core SQL knowledge based on ANSI SQL standard. Covers DML (SELECT, INSERT, UPDATE, DELETE), DDL (CREATE, ALTER, DROP), joins, transactions, and fundamental database concepts. Foundation for all SQL database work. USE WHEN: user mentions "SQL basics", "SELECT", "JOIN", "INSERT", "UPDATE", "DELETE", "DDL", "DML", "transactions", "foreign keys", "indexes", as…

Independent GitHub snapshot · Automated classification · Original documentation governs