【名词&注释】
不合法
[多选题]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;