DB2 9 Fundamentals

1.A user invoking a user-defined function requires which DB2 privilege?
A.CALL
B.USAGE
C.EXECUTE
D.REFERENCES
Correct:C
2.Which of the following statements is used to prevent user TOM from adding and deleting data in table TAB1?
A.REVOKE ADD, DELETE FROM USER tom ON TABLE tab1
B.REVOKE ADD, DELETE ON TABLE tab1 FROM USER tom
C.REVOKE INSERT, DELETE FROM USER tom ON TABLE tab1
D.REVOKE INSERT, DELETE ON TABLE tab1 FROM USER tom
Correct:D
3.Which of the following privileges permits a user to update the comment on a sequence?
A.CONTROL
B.UPDATE
C.USAGE
D.ALTER
Correct:D
4.Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?
A.REVOKE ALL PRIVILEGES FROM USER tom
B.REVOKE ALL ON EMPLOYEE FROM USER tom
C.REVOKE EXECUTE ON EMPLOYEE FROM USER tom
D.REVOKE PRIVILEGES ON EMPLOYEE FROM USER tom
Correct:B
5.What is the lowest privilege and/or authority required to execute the following SQL statement? CREATE VIEW view1 AS SELECT * FROM table1 WHERE STATE = 'TX'
A.DBADM authority
B.SYSADM authority
C.SELECT privilege on TABLE1
D.REFERENCES privilege on TABLE1
Correct:C
6.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
Correct:B
7.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.
Correct:A
8.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 this requirement?
A.Sequence
B.Table Function
C.Identity Column
D.INSTEAD OF Trigger
Correct:A
9.The following SQL statements were executed in sequence: CREATE DISTINCT TYPE salary AS decimal(7,2) WITH COMPARISONS; CREATE TABLE staffsalary(empid INT, empsalary salary); INSERT INTO staffsalary VALUES (10, 50000), (20, 50000.00); UPDATE staffsalary SET empsalary = 60000 WHERE salary(50000) = empsalary; What is the current content of the staffsalary table?
A.ID | EMPSALARY ----------------- 10 | 60000 20 | 50000.00 -----------------
B.ID | EMPSALARY ----------------- 10 | 50000.00 20 | 50000.00 -----------------
C.ID | EMPSALARY ----------------- 10 | 60000.00 20 | 60000.00 -----------------
D.ID | EMPSALARY ----------------- 10 | 60000.00 20 | 50000.00 -----------------
Correct:C
10.Which of the following provides a logical grouping of database objects?
A.View
B.Table
C.Schema
D.Buffer pool
Correct:C
11.Given the following DDL for the PARTS table: CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9)); All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?
A.CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B.CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C.CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D.CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
Correct:A
12.Which of the following is a characteristic of a sequence?
A.A sequence will never generate duplicate values.
B.The MAXVALUE of a sequence can be equal to the MINVALUE.
C.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero.
D.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries.
Correct:B
13.A sequence was created with the DDL statement shown below: CREATE SEQUENCE my_sequence CACHE 10 ORDER The following statements are successfully executed in sequence through separate database connections: CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar CONNECTION2 - VALUES NEXT VALUE FOR my_sequence INTO :con2hvar CONNECTION1 - VALUES NEXT VALUE FOR my_sequence INTO :con1hvar What is the current value of the :con1hvar host variable?
A.2
B.3
C.11
D.30
Correct:B
14.A sequence was created with the DDL statement shown below: CREATE SEQUENCE my_seq START WITH 5 INCREMENT BY 5 CACHE 5 User1 successfully executes the following statements in Connection1: VALUES NEXT VALUE FOR my_seq INTO :con1hvar VALUES NEXT VALUE FOR my_seq INTO :con1hvar User2 successfully executes the following statement in Connection2: VALUES NEXT VALUE FOR my_seq INTO :con2hvar After User1 & User2 are finished, User3 executes the following statement in Connection3: SELECT NEXT VALUE FOR my_seq FROM sysibm.sysdummy1 Which value will be returned by the query?
A.20
B.25
C.50
D.55
Correct:D
15.An Alias can be an alternate name for which DB2 object?
A.Sequence
B.Trigger
C.Schema
D.View
Correct:D