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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;

  • A,C,D
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