COMMIT
TransactionSaves all changes made during the current transaction permanently.
Syntax
COMMIT
Example
BEGIN;
INSERT INTO audit_log (action) VALUES ('transfer');
UPDATE balances SET amount = amount - 50 WHERE user_id = 1;
COMMIT;About SQL COMMIT
The COMMIT keyword belongs to the Transaction category of SQL statements. Saves all changes made during the current transaction permanently. Understanding this command is essential for any developer working with relational databases like PostgreSQL, MySQL, SQLite, or SQL Server.
SQL (Structured Query Language) is the standard language for managing and querying relational databases. The COMMIT statement is supported across all major database systems, though specific syntax may vary slightly between PostgreSQL, MySQL, MariaDB, Oracle, SQL Server, and SQLite. Always consult your database's documentation for vendor-specific features and limitations.
Best practices for using COMMIT: always test queries on a development database before running them in production, use parameterized queries to prevent SQL injection, and leverage EXPLAIN to understand query performance. For complex queries, consider using CTEs (Common Table Expressions) to improve readability and maintainability.