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IBM A2090-730 Exam Syllabus Topics:

IBM Assessment: DB2 9 Family Fundamentals Sample Questions:

1. When defining a referential constraint between the parent table T2 and the dependent table T1, which of the following is true?

A) The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2.
B) The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1.
C) The list of column names in the FOREIGN KEY clause must be identical to the list of column names in the primary key of T1 or a UNIQUE constraint that exists on T1.
D) The list of column names in the FOREIGN KEY clause can be a subset of the list of column names in the primary key of T2 or a UNIQUE constraint that exists on T2.

2. Which of the following tools can make recommendations for indexes and/or MQTs to improve the performance of DB2 applications?

A) Configuration Assistant
B) Design Advisor
C) Performance Advisor
D) Visual Explain

3. Two applications have created a deadlock cycle in the locking subsystem. If lock timeout is set to 30 and both applications were started at the same time, what action will the deadlock detector take when it "wakes up" and discovers the deadlock?

A) It will randomly pick an application and rollback its current transaction
B) It will go back to sleep for 30 seconds, then if the deadlock still exists, it will randomly pick an application and rollback its current transaction
C) Itwill rollback the current transactions of both applications
D) It will wait 30 seconds, then rollback the current transactions of both applications if the deadlock has not been resolved

4. For which of the following is a data warehouse optimized?

A) Security
B) Queries
C) Backup and recovery
D) Transactions

5. Which of the following SQL statements can be used to create a DB2 object to store numerical data as EURO data?

A) CREATE DATA TYPE euro AS DECIMAL (9,3)
B) CREATE ALIAS euro FOR DECIMAL (9,3)
C) CREATE DISTINCT TYPE euro AS DECIMAL (9,3)
D) CREATE NICKNAME euro FOR DECIMAL (9,3)

Solutions: