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IBM A2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Performance Tuning | - Query optimization and explain plans - Index design and maintenance - Memory tuning (buffer pools, sort heap, lock list) |
| Topic 2: Backup and Recovery | - Log management and rollforward recovery - Point-in-time recovery - Online and offline backups |
| Topic 3: Security and Authorization | - Roles, privileges, and access control - Authentication and authorization models |
| Topic 4: Database Monitoring and Troubleshooting | - Event monitoring and snapshot analysis - Locking issues and deadlock resolution |
| Topic 5: High Availability and Disaster Recovery | - HADR configuration and monitoring - Failover and recovery strategies |
| Topic 6: Database Architecture and Configuration | - DB2 architecture components (instances, databases, bufferpools) - Configuration parameters and environment setup |
IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:
1. Given the following statement: Which statement will successfully add a new partition to table T1 for April 2010?
A) Create a table with the same definition as the partitioned table; load the new table with data; attach the new table to the main partitioned table; run the SET INTEGRITY statement.
B) Create a table with the same definition as the partitioned table; attach to the main partitioned table; data will be automatically redistributed across all table partitions.
C) Export data from the main partitioned table; drop the main partitioned table; create the main partitioned table with new partitioning range; import data into the main partitioned table.
D) Export data from the main partitioned table; create a table with the same definition as the partitioned table; attach to the main partitioned table; import data into the main partitioned table; run the SET INTEGRITY statement.
2. Which statement about compression and temporary tables is NOT correct?
A) The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.
B) Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
C) The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.
D) When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.
3. What would indicate intra-partition parallelism in an Optimizer Plan?
A) DTQ
B) LTQ
C) IP
D) BTQ
4. A user with Security Administrator (SECADM) authority executes the following statements:
If user USER2 queries the table S.TAB1, how many rows will be returned?
A) 1
B) 3
C) 2
D) 0
5. 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 table spaces.
C) Use the ALTER DATABASE command to convert the database; all existing table spaces will be converted automatically.
D) Use the ALTER DATABASE command to convert the database; use the ALTER TABLESPACE command to convert all existing SMS table spaces.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: A |

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