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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Utilities and Data Movement | - Data reorganization and rebalancing - LOAD, IMPORT, EXPORT utilities |
| Topic 2: Security and Authorization | - Roles, privileges, and authorities - Authentication and authorization models |
| Topic 3: Backup, Recovery, and High Availability | - Backup and restore operations - Rollforward recovery - High Availability Disaster Recovery (HADR) |
| Topic 4: Database Architecture and Concepts | - DB2 instance and database architecture - Memory structures and processes - Storage management concepts |
| Topic 5: Database Administration and Configuration | - Instance and database configuration parameters - Database creation and maintenance - Client connectivity and cataloging |
| Topic 6: Performance Monitoring and Tuning | - Monitoring tools and snapshot monitoring - Indexing and statistics maintenance - Query optimization and explain plans |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
What determines the degree of inter-partition parallelism used?
- A. The number of database connections and the definition of partitions groups.
- B. The number of database partitions and the definition of partition groups.
- C. The value of the INTER_PARALLEL Database Manager configuration parameter.
- D. The value of the DFT_DEGREE database configuration parameter.
Correct Answer: B π³οΈ
Which action(s) will cause a compression dictionary to be removed from a table?
- A. Set the table COMPRESS attribute to NO; run REORG against the table.
- B. Set the table COMPRESS attribute to NO.
- C. Set the table COMPRESS attribute to NO; run RUNSTATS against the table.
- D. Set the table COMPRESS attribute to NO; run INSPECTESETDICTIONARY against the table.
Correct Answer: A π³οΈ
Table T1 was created by executing the following statement:
Immediately after creation, table T1 was populated with 10 rows. Later, user USER1 ran an application that inserted 100,000 rows into table T1. The following query is frequently ran against the T1 table:
SELECT deptno, empno, deptname FROM t1 WHERE deptno = 'EN' AND empno = '123' Assuming current statics exist for the table and index, which index will provide optimal performance for this query?
- A. CREATE INDEX idx1 ON t1 (deptno, empno)
- B. CREATE INDEX idx1 ON t1 (deptno, empno) INCLUDE (deptname)
- C. CREATE INDEX idx1 ON t1 (deptno)
- D. CREATE INDEX idx1 ON t1 (deptno) INCLUDE (empno)
Correct Answer: A π³οΈ
Given INTRA_PARALLEL is OFF, average row length is 900 bytes, and temporary table cardinality is 1000, which setting would prevent a SORTHEAP overflow when the temporary table is sorted?
- A. SORTHEAPTHRES 10000K, SORTHEAP 250K
- B. SORTHEAP AUTOMATIC, SHEAPTHRES 0
- C. SORTHEAP AUTOMATIC, SHEAPTHRES 10000K
- D. SORTHEAPTHRES 10000K
Correct Answer: B π³οΈ
A database named MYDB was created by executing the following command: CREATE DATABASE mydb AUTOMATIC STORAGE NO Later, a decision is made to modify this database so that both it and its table spaces use automatic storage. What steps are required to make this modification?
- A. Use the ALTER DATABASE command to convert the database; use the ALTER TABLESPACE command to convert all existing DMS table spaces.
- B. Use the ALTER DATABASE command to convert the database; use the ALTER TABLESPACE command to convert all existing SMS table spaces.
- C. Use the ALTER DATABASE command to convert the database; use the ALTER TABLESPACE command to convert all existing table spaces.
- D. Use the ALTER DATABASE command to convert the database; all existing table spaces will be converted automatically.
Correct Answer: A π³οΈ
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