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verify on show the old value and the new value foe example : SQL>SET VERIFY ON SQL>SELECT empno,ename,sal,deptno FROM emp where empno = &employee_num; Enter value for employee_num: 7369 old 1: SELECT empno,ename,sal,deptno FROM emp where empno = &employee_num new 1: SELECT empno,ename,sal,deptno FROM emp where empno = 7369 EMPNO ENAME SAL DEPTNO ---------- ---------- ---------- ---------- 7369 SMITH 800 20 SQL>SET VERIFY OFF SQL> SELECT empno,ename,sal,deptno FROM emp where empno = &employee_num; Enter value for employee_num: 7369 EMPNO ENAME SAL DEPTNO ---------- ---------- ---------- ---------- 7369 SMITH 800 20
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What are the disadvantages of QBE?
It is harder to set up than SQL
The process of designing and creating a set of database tables that avoids redundancies and anomalies is known as?
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hyghghghghgh
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The process of designing and creating a set of database tables that avoids redundancies and anomalies is known as?
SQL
