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9-1-1. 트랜잭션

-- [SQL-9-1-a] DROP TABLE IF EXISTS startdbpg.ms_acc; CREATE TABLE startdbpg.ms_acc( acc_no VARCHAR(40) NOT NULL, acc_nm VARCHAR(100) NULL, bal_amt DECIMAL(18,3) NULL ); ALTER TABLE startdbpg.ms_acc ADD CONSTRAINT pk_ms_acc PRIMARY KEY(acc_no); INSERT INTO startdbpg.ms_acc(acc_no, acc_nm ,bal_amt) SELECT 'ACC1' ,'1번계좌' ,3000 UNION ALL SELECT 'ACC2' ,'2번계좌' ,500 UNION ALL SELECT 'ACC3' ,'3번계좌' ,0;
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-- [SQL-9-1-1-2-a] SHOW TRANSACTION ISOLATION LEVEL;
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