IBM DB2 10.1 Fundamentals Set 3

1.

Which statement is true regarding constraints?

A table can only have one unique key constraint. A table can have multiple primary key constraints. Informational constraints tell DB2 what rules the data conforms to, but the rules are not enforced. Foreign key constraints are enforced on the values within the rows of a table, or between the rows of twotables, by a unique index on a foreignkey.

2.

By default, where is the data stored for a column defined with an XML data type?

In an XML index. In line with the rest of the data for the table. In an XML storage object that is separate from the table. In line with the rest of the data for the table, for XML columns less than 32KB.

3.

What is used in conjunction with a foreign key to define a relationship between two tables?

Primary key Partitioning key Check constraint Unique constraint

4.

Which case will require a sequence to be dropped and recreated instead of being modified by the ALTER SEQUENCE statement?

Change the data type of the sequence. Reset the sequence to its starting value. Establish new minimum or maximum values. Change the increment between future values.

5.

Given the following statement: GRANT DELETE ON TABLE sales TO User1 WITH GRANT OPTION; Which statement is correct?

USER1 can only remove the SALES table. USER1 can only remove records from the SALES table. USER1 can remove the SALES table and grant the privilege to remove the SALES table to other users. USER1 can remove records from the SALES table and grant the privilege to remove records from theSALES table to other users.

6.

Which method for restricting data access relies on a SQL search condition that describes what set of rows a user has access to?

Authentication Authorities and privileges Label-based access control Row and column access control

7.

Which SQL statement will take the ability to create tables in a table space named MYTBSP away from user USER1?

REVOKE USE OF TABLESPACE mytbsp FROM user1 REVOKE ALTER ON TABLESPACE mytbsp FROM user1 REVOKE UPDATE OF TABLESPACE mytbsp FROM user1 REVOKE CREATETAB ON TABLESPACE mytbsp FROM user1

8.

In a trusted context environment, if a switch request is made with an authorization ID that is not allowed on a trusted connection, what state is the connection placed in?

Locked Waiting Pending Unconnected

9.

When is a mask used to limit access to data in a table?

When mandatory access control (MAC) is used to protect the table. When discretionary access control (DAC) is used to protect the table. When label-based access control (LBAC) is used to protect the table. When row and column access control (RCAC) is used to protect the table.

10.

What privilege is required to create a view on a table that you are not the owner of?

INSERT SELECT CREATE TRIGGER

IBM DB2 10.1 Fundamentals Set 3

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IBM DB2 10.1 Fundamentals Set 3

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