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完美解决SqlServer2012启动报错(cannot find one or more components.Please reinstall the application。)
完美解决SqlServer2012启动报错(cannot find one or more components.Please reinstall the application。)
很好的Oracle SQL PLSQL练习题,可以作为大家学习、考试前的练习. 例子: 1. Oracle发出下列select语句: SQL> select e.empno, e.ename, d.loc 2 from emp e, dept d 3 where e.deptno = d.deptno 4 and substr(e.ename, 1, 1) = ‘S’