DB2数据库物化视图之MQT物化查询表如何操作？
复制CONNECT TO SAMPLE ... ALTER TABLE EMPLOYEE ADD UNIQUE (EMPNO) ALTER TABLE DEPARTMENT ADD UNIQUE (DEPTNO) CREATE TABLE EMP AS (SELECT E.EMPNO,数据 E.FIRSTNME, E.LASTNAME, E.PHONENO, D.DEPTNO, SUBSTR(D.DEPTNAME, 1, 12) AS DEPARTMENT, D.MGRNO FROM EMPLOYEE E, DEPARTMENT D WHERE E.WORKDEPT = D.DEPTNO) DATA INITIALLY DEFERRED REFRESH IMMEDIATE SET INTEGRITY FOR EMP IMMEDIATE CHECKED NOT INCREMENTAL 1.2.3.4.5.6.7.8.9.
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