单项选择题
On which of the following database objects may the SELECT privilege be controlled?（）
A.Sequence
B.Schema
C.Group
D.View
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A "trusted" client needs to communicate with a server that has been configured to use CLIENT authentication. Which of the following will be used to verify passwords?（）
A.User ID/password file
B.Communications layer
C.Client applications
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单项选择题
Which of the following statements is used to grant user TOM and Application team APPGRP the ability to add data to table TAB1?（）
A.GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp
B.GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1
C.GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp
D.GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom -
单项选择题
A user needs to create a trigger that will update table T2 whenever a row is added to table T1. Assuming the user has all appropriate privileges for table T2, which privilege is required on table T1 to create the trigger?（）
A.REFERENCES
B.SELECT
C.UPDATE
D.ALTER
