Which of the following DB2 data types has a fixed length?()
A. XML
BLOB
C. DOUBLE
DBCLOB
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Whenchoosingahostname,othermachineswillassociatethenamewith()。
A. theIPaddress
B. theMACaddress
C. inetd
D. port80
Which of the following actions may cause a trigger to be fired?()
A. DROP
B. ALTER
C. DELETE
D. ROLLBACK
6S管理推行的三大关键:()。
A. 领导重视
B. 制度保障
C. 全员参与
D. 持续改善