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IBM A2090-730 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Backup, Recovery, and Utilities | - Backup and restore fundamentals - Load and export utilities |
| Topic 2: Security and Authorization | - Authentication mechanisms - User privileges and roles |
| Topic 3: Performance and Monitoring Basics | - Database monitoring tools overview - Query optimization basics |
| Topic 4: Database Design and Objects | - Tables, views, indexes, and schemas - Data types and constraints |
| Topic 5: Transaction Management and Concurrency | - Isolation levels and locking mechanisms - Commit and rollback concepts |
| Topic 6: DB2 Environment and Architecture | - Client-server architecture and components - Database instances and database objects - DB2 product family overview and editions |
| Topic 7: SQL and Data Manipulation | - Joins and query processing basics - Basic SELECT statements - Insert, update, and delete operations |
IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. Which of the following is NOT a difference between a unique index and a primary key?
A) Unique indexes can be defined over one or more columns that allow null values; primary keys cannot contain null values.
B) A table can have many unique indexes but only one primary key.
C) A primary key is a special form of a unique constraint; both use a unique index.
D) Unique indexes can be defined over one or more columns; primary keys can only be defined on a single column.
2. Which of the following statements will catalog the database MYDB on the node MYNODE and assign it the alias MYNEWDB?
A) CATALOG DATABASEmynewdb AS mydb AT NODE mynode
B) CATALOG DATABASEmydb AS mynewdb AT NODE mynode
C) CATALOG DATABASEmynewdb AT NODE mynode
D) CATALOG DATABASEmydb AT NODE mynode
3. Given the following DDL and INSERT statements:
CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10;
CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION;
CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100;
INSERT INTO v1 VALUES(5);
INSERT INTO v2 VALUES(5);
INSERT INTO v3 VALUES(20);
INSERT INTO v3 VALUES(100);
How many of these INSERT statements will be successful?
A) 3
B) 0
C) 2
D) 1
4. Given the following tables:
YEAR_2006 EMPID NAME
1 Jagger, Mick 2 Richards, Keith 3 Wood, Ronnie 4 Watts, Charlie 5 Jones, Darryl 6 Leavell, Chuck YEAR_1962 EMPID NAME
1 Jagger, Mick 2 Richards, Keith 3 Jones, Brian 4 Wyman, Bill 5 Chapman, Tony 6 Stewart, Ian
If the following SQL statement is executed, how many rows will be returned?
SELECT name FROM year_2006 UNION SELECT name FROM year_1962
A) 12
B) 10
C) 0
D) 6
5. A table contains a list of all seats available at a football stadium. A seat consists of a section number, a seat number, and whether or not the seat has been assigned. A ticket agent working at the box office generates a list of all unassigned seats. When the agent refreshes the list, it should only change if another agent assigns one or more unassigned seats. Which of the following is the best isolation level to use for this application?
A) Repeatable Read
B) Uncommitted Read
C) Cursor Stability
D) Read Stability
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: B | Question # 5 Answer: C |






