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

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 and C3 together, which statement(s) will create index(es) that will provide optimal query performance?

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

2. A DBA needs to create a federated database and configure access to join data from three Oracle instances and one DB2 database. Which objects are needed to establish the specified connections?

A) 1 Oracle server , 1 DB2 server , 1 Oracle wrapper , 1 DB2 wrapper , and nicknames for each database
B) 3 Oracle servers , 1 DB2 server , 3 Oracle wrappers , 1 DB2 wrapper , and nicknames for each database
C) 3 Oracle servers , 1 DB2 server , 1 Oracle wrapper , 1 DB2 wrapper , and nicknames for each database
D) 1 Oracle server , 1 DB2 server , 3 Oracle wrappers , and nicknames for each database

3. Given a SHEAPTHRES value of 2560, in which two cases will a SHEAPTHRES_SHR value of 1024 be meaningful? (Choose two.)

A) MAX_CONNECTIONS 2000, MAX_COORDAGENTS 100
B) MAX_AGENTS 100, MAX_CONNECTIONS 2000
C) INTRA_PARALLEL YES
D) MAX_CONNECTIONS 500, MAX_COORDAGENTS 1000
E) INTRA_PARALLEL NO

4. What are two authorities and/or privileges required for replaying SQL audit logs? (Choose two.)

A) EXECUTE privilege on audit routines with NO DATA
B) DBADM authority
C) SYSADM authority
D) EXECUTE privilege on audit routines with DATA
E) SECADM authority

5. Click the Exhibit button.

Refer to the table definition shown in the exhibit.
Which will improve performance based on the query SELECT c6, c9 FROM tab3 WHERE c9 = 123456?

A) CREATE INDEX idx99 ON tab3 (c2 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
B) CREATE INDEX idx99 ON tab3 (c6 ASC, c9 DESC); REORG TABLE myschema.tab3 AND INDEXES ALL;
C) CREATE INDEX idx98 ON tab3 (c2 ASC, c6 ASC); CREATE INDEX idx99 ON tab3 (c2 ASC, c9 ASC); RUNSTATS ON TABLE myschema.tab3;
D) CREATE INDEX idx98 ON tab3 (c6 ASC); CREATE INDEX idx99 ON tab3 (c9 DESC); RUNSTATS ON TABLE myschema.tab3;

Solutions: