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IBM A2090-544 Exam Syllabus Topics:

IBM Assessment: DB2 9.7 Advanced DBA for LUW Sample Questions:

Question 1

Table TAB1 was created using the following statement: CREATE TABLE tab1 (c1 INT, c2 INT, c3 INT, c4 INT, c5 INT); If column C1 is unique and queries typically access columns C1, C2, C3 and C4 together, which statement(s) will create index(es) that will provide optimal query performance?

A. CREATE UNIQUE INDEX xtab1 ON tab1 (c3) INCLUDE (c1, c2, c4);
B. CREATE UNIQUE INDEX xtab1 ON tab1 (c4, c3, c2, c1);
C. CREATE UNIQUE INDEX xtab1 ON tab1 (c1) INCLUDE (c2, c3, c4);
D. CREATE UNIQUE INDEX xtab1 ON tab1 (c1); CREATE INDEX xtab2 ON tab1 (c2) INCLUDE (c3, c4);

Question 2

Which command would be used to obtain the name of the first active log file for a database with log retain enabled?

A. LIST INDOUBT TRANSACTIONS
B. GET DATABASE CONFIGURATION
C. GET CURRENT ACTIVE LOGFILE
D. LIST LOGFILES

Question 3

At which two levels can events be audited? (Choose two.)

A. Instance level
B. Operating System level
C. Database level
D. Node level
E. Server level

Question 4

A DBA wants to migrate a DB2 LUW 8.2.2 database to version 9.7 and plans to use currently committed (CC) semantics on an application-by-application basis. Which process will yield the desired results?

A. Set the DB2_USE_CC_SEMANTICS registry variable to YES, then migrate the database.
B. Migrate the database, then assign the value ON to the CURR_COMMIT configuration parameter.
C. Migrate the database, then assign the value AVAILABLE to the CURR_COMMIT configuration parameter.
D. Set the DB2_USE_CC_SEMANTICS registry variable to APPLICATION, then migrate the database.

Question 5

Which statement about compression and temporary tables is NOT correct?

A. When executing queries that require temporary tables, DB2 considers the storage savings and the impact to query performance to determine whether compression is worthwhile.
B. Compression is only applied to created temporary tables that were defined with the CREATE TEMPORARY TABLE ?COMPRESS YES statement.
C. The explain facility and the db2pd utility can be used to determine whether a temporary table has been compressed.
D. The minimum size that a table must be before compression is used is larger for temporary tables than for regular tables.

Solutions: