A practical walkthrough for migrating from MySQL to PostgreSQL, covering the full process: schema assessment, data type mapping (AUTO_INCREMENT, ENUM, unsigned integers, zero dates), SQL dialect rewrites (backticks, LIMIT syntax, IFNULL, GROUP_CONCAT, ON DUPLICATE KEY), stored procedure porting to PL/pgSQL, validation strategies, and low-downtime cutover using CDC. Includes copy-paste before/after SQL examples for common MySQL-isms and a comparison of migration tools (DBConvert, pgloader, AWS DMS).
Table of contents
MySQL to PostgreSQL migration checklistMySQL vs PostgreSQL: the differences that affect migrationStep 1 - Assess the MySQL database firstStep 2 - Move the schema and map the data typesStep 3 - Move the dataStep 4 - Translate the MySQL SQL dialectStep 5 - Port stored procedures, triggers, and functionsStep 6 - Validate and go liveThe DBConvert fast path (schema + data)MySQL to PostgreSQL migration tools comparedFAQConclusion608 Impressions