[02. PostgreSQL] 009. TCL – COMMIT, ROLLBACK, SAVEPOINT
이 명령어는 쿼리를 확정하고 되돌리기 위해 사용된다. 1) COMMIT BEGIN; INSERT INTO postgresql.stock_order VALUES(uuid_generate_v1(), '2019-01-11', '000660 KS Equity', 80000, 200); COMMIT; 2) ROLLBACK BEGIN; INSERT INTO postgresql.stock_order VALUES(uuid_generate_v1(), '2019-01-11', '000660 KS Equity', 80000, 200); ROLLBACK; 3) SAVEPOINT BEGIN; INSERT INTO postgresql.stock_order VALUES(uuid_generate_v1(), '2019-01-11', ..
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