單項(xiàng)選擇題

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

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單項(xiàng)選擇題

Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）

A.REVOKE DROP ON t1 FROM PUBLIC
B.REVOKE UPDATE ON t1 FROM PUBLIC
C.REVOKE DELETE ON t1 FROM PUBLIC
D.REVOKE CONTROL ON t1 FROM PUBLIC

單項(xiàng)選擇題

A user utilizing an alias to update a subset of columns in a table must have UPDATE privileges on which of the following DB2 objects?（）

A.Table
B.Columns
C.Table and Alias
D.Columns and Alias