单项选择题

Which of the following provides a logical grouping of database objects?（）

A.View
B.Table
C.Schema
D.Buffer pool

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单项选择题

A programmer wants to generate values for a numeric ID column in their EXPENSE table. The ID column values need to be incremented by 1000 for each new expense report added to the EXPENSE table. Which DB2 object can be referenced by an INSERT statement to meet thisrequirement?（）

A.Sequence
B.Table Function
C.Identity Column
D.INSTEAD OF Trigger

单项选择题

When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）

A.An error will occur.
B.Data passed between the client and the server is encrypted.
C.User IDs and passwords are passed to the server unencrypted.
D.User IDs and passwords are encrypted before they are passed to the server.

单项选择题

Which of the following statements allows BOB to revoke access to the SAMPLE database from user TOM?（）

A.REVOKE ACCESS ON DATABASE FROM USER bob
B.REVOKE CONNECT ON DATABASE FROM USER tom
C.REVOKE tom FROM ACCESS ON DATABASE BY USER bob
D.REVOKE tom FROM CONNECT ON DATABASE BY USER bob

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