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Mysql事务隔离级别_MySQL:scott@PROD>select * from dept1; DEPTNO DNAME LOC ---------- -------------- ------------- 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 SALES CHICAGO 50 OPERATIONS BOSTON 20 DBA Bei Jing scott@PROD>update dept1 set deptno=21 where dname='DBA'
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