
emp表是雇員信息表,sal字段存放是的雇員的月薪,以下哪個(gè)變量可以存放sal類(lèi)型的值()
A.v_sal emp%rowtype;
B.v_sal emp.sal%type;
C.v_sal emp.sal.%type;
D.v_sal %type(emp.sal);
E.v_sal (emp.sal)%type;

A.v_sal emp%rowtype;
B.v_sal emp.sal%type;
C.v_sal emp.sal.%type;
D.v_sal %type(emp.sal);
E.v_sal (emp.sal)%type;
第1題
A.v_record emp%type;
B.v_record emp%recordtype;
C.v_record emp%record_type;
D.v_record emp%rowtype;
E.v_record emp%row_type;
第2題
A.從EMP中刪除行('010','王宏達(dá)','01',1200)
B.在EMP中插入行('101','趙敏','04',1500)
C.將EMP中雇員號(hào)='056'的工資改為2500元
D.將EMP中雇員號(hào)='010'的部門(mén)號(hào)改為'05'
第3題
A.type array arr_type[emp.ename%type] index by binary_integer;
B.type table arr_type[emp.ename%type] index by binary_integer;
C.type arr_type is table of emp.ename%type index by binary_integer;
D.type arr_type is pl_sql table of emp.ename%type index by binary_integer;
第4題
A.select * from emp wher sal in (2000,3000);
B.select * from emp wher sal like (2000,3000);
C.select * from emp wher sal = (2000,3000);
D.select * from emp wher sal between 2000 and 3000;
第5題
A. No change is required to achieve the desired results.
B. SELECT ename, sal, 12* (sal+100) FROM emp;
C. SELECT ename, sal, (12* sal)+100 FROM emp;
D. SELECT ename, sal +100,*12 FROM emp;
第6題
第7題
C.將 EMP 中雇員號(hào) =‘056’ 的工資改為 1600 元
D.將 EMP 中雇員號(hào) =‘101’ 的部門(mén)號(hào)改為 ‘05’
第8題
A.GRANT CHANGE ON SCOTT.EMP TO SA
B.GRANT UPDATE ON SCOTT.EMP(SAL) TO SA
C.GRANT UPDATE (SAL) ON SCOTT.EMP TO SA
D.GRANT MODIFY ON SCOTT.EMP(SAL) TO SA
第9題
A. Flashback logging is not enabled for the database.
B. The changes made to the table are not committed.
C. Supplemental logging is not enabled for the database.
D. The database is not configured in ARCHIVELOG mode.