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IBM A2090-730 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Backup and Recovery | - Backup strategies - Recovery fundamentals |
| SQL and Database Operations | - Basic SQL queries - Data manipulation (INSERT, UPDATE, DELETE) |
| Performance and Maintenance | - Indexing basics - Performance tuning concepts |
| Database Administration Basics | - Instance and database management - Security and authorization concepts |
| DB2 Fundamentals Overview | - DB2 data storage concepts - DB2 architecture and components |
IBM Assessment: DB2 9 Family Fundamentals Sample Questions:
1. A table named DEPARTMENT has the following columns:
DEPT_ID DEPT_NAME MANAGER AVG_SALARY
Which of the following is the best way to prevent most users from viewing AVG_SALARY data?
A) Encrypt the table's data
B) Revoke SELECT access for the AVG_SALARY column from users who should not see AVG_SALARY data
C) Create a view that does not contain the AVG_SALARY column
D) Store AVG_SALARY data in a separate table and grant SELECT privilege for that table to the appropriate users
2. 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) Uncommitted Read
B) Cursor Stability
C) Read Stability
D) Repeatable Read
3. Which of the following products is used to shred extensible markup language documents?
A) DB2 XML Extender
B) DB2 Text Extender
C) DB2 Spatial Extender
D) DB2 AVI Extender
4. Which of the following best describes a unit of work?
A) It is a recoverable sequence of operations whose current point of consistency can be determined by querying the system catalog tables.
B) It is a recoverable sequence of operations whose point of consistency is established when a connection to a database has been established or when a mechanism known as asavepoint is created.
C) It is a recoverable sequence of operations whose point of consistency is only established if a mechanism known as asavepoint is created.
D) It is a recoverable sequence of operations whose point of consistency is established when an executable SQL statement is processed after a connection to a database has been established or a previous transaction has been terminated.
5. What type of constraint can be used to ensure that, in any given row in a table, the value of one column never exceeds the value of another column?
A) Check
B) Informational
C) Range
D) Referential
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: A |
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