IBM A2090-730 : Assessment: DB2 9 Family Fundamentals

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IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. Which of the following resources can be explicitly locked?

A) Column
B) Row
C) Table
D) Page

2. Which of the following is NOT true about schemas?

A) If a schema name is not specified, either by qualifying a database object name or by executing the SET CURRENT SCHEMA statement, the authorization ID of the current session user is used as the schema name by default
B) When most database objects are created, they are either implicitly or explicitly assigned to a schema
C) The value assigned to the CURRENT SCHEMA special register is persistent across database restarts
D) A schema enables the creation of multiple objects in a database without encountering namespace collisions

3. A number of applications issue the following SQL statement: SELECT d.deptno, e.empno, e.salary FROM department d INNER JOIN employee e ON d.deptno = e.deptno A database administrator wishes to store this query within the database. Which of the following database objects can be used to accomplish this?

A) Trigger
B) View
C) Alias
D) Schema

4. 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) 25
B) 20
C) 50
D) 55

5. Given the following table definitions:
TABLE1
ID INT NAME CHAR(30) PERSON INT CITIES INT TABLE2
ID INT
LASTNAME CHAR(30)
Which of the following statements will remove all rows in table TABLE1 that have matching
PERSONs in table TABLE2?

A) DELETE FROM table1 WHERE person IN (SELECT person FROM table2)
B) DELETE FROM table1 WHERE id IN (SELECT id FROM table2)
C) DELETE FROM table1 WHERE person IN (SELECT id FROM table2)
D) DELETE FROM table1 WHERE id IN (SELECT person FROM table2)

Solutions: