问题
多项选择题
考虑下列声明,那些是不合法的:()
A.DECLAREv_name,v_deptVARCHAR2(14);
B.DECLAREv_testNUMBER(5);
C.DECLAREV_MAXSALARYNUMBER(7,2)=5000;
D.DECLAREV_JOINDATEBOOLEAN:=SYSDATE;
答案
参考答案:A, C, D
考虑下列声明,那些是不合法的:()
A.DECLAREv_name,v_deptVARCHAR2(14);
B.DECLAREv_testNUMBER(5);
C.DECLAREV_MAXSALARYNUMBER(7,2)=5000;
D.DECLAREV_JOINDATEBOOLEAN:=SYSDATE;
参考答案:A, C, D