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QUESTION NO:2

If a single row of the PLAN_TABLE has a \’Y\’ value in more than one of the sort composite

columns, what is indicated?

A. The next sort step will perform two sorts.

B. There are multiple sorts in the plan step.

C. One sort in the plan step will accomplish two tasks.

D. Two sorts are performed on the new table of a star join.

Answer: C

QUESTION NO:5

Which two of the following DB2 performance features will ignore clustering in favor of faster insert

performance? (Choose two.)

A. Append

B. Inline LOBs

C. Member cluster

D. Volatile table

E. Include columns

Answer: A,C

QUESTION NO:1

Workload Manager (WLM) manages how many concurrent stored procedures can run in an

address space and the number of concurrent stored procedures in an address space cannot

exceed the value of the NUMTCB parameter. Which statement about the value of NUMTCB is

correct?

A. NUMTCB parameter must be set to 1 for Java stored procedures.

B. NUMTCB parameter must be set to 1 for REXX stored procedures.

C. NUMTCB parameter can be a value greater than 1 for native SQL stored procedures.

D. NUMTCB parameter can be a value greater than 1 when a stored procedure invokes

DB2 utilities.

Answer: B

QUESTION NO:10

In order to retain an access path across a rebind which of the following commands could be used?

A. BIND PLAN

B. REBIND PACKAGE(PK1) REOPT(ONCE)

C. BIND PACKAGE (PK1) EXPLAIN(YES)

D. REBIND PACKAGE (PK1) PLANMGMT(BASIC)

Answer: D

QUESTION NO:6

When is a merge scan join a well performing access path?

A. When the number of qualifying rows of the inner and outer table are both large.

B. When the query references at least two dimensions and the STARJOIN subsystem

parameter is 1.

C. When the number of rows in the outer table is small and the number of pages accessed in

the inner table is small.

D. When the matching columns of the inner table are in a non-clustering index or the outer table

3

has duplicate qualifying rows.

Answer: A

QUESTION NO:14

In using plan stability, what storage space requirement should be of carefully monitored?

A. MINSTOR

B. DSNDB07

C. DSNDB01.SPT01

D. DSN_STATEMNT_TABLE

Answer: C

QUESTION NO:16

What START TRACE command provides detailed lock suspend and lock contention trace

information?

A. START TRACE(AUDIT)

B. START TRACE(STATS) CLASS(1)

C. START TRACE(PERFM) CLASS(30) IFCID(44,45)

D. START TRACE(ACCTG) CLASS(1,2,3) DEST(SMF)

Answer: C

QUESTION NO:17

When converting a multiple table segmented table space to partition-by-growth table

spaces, which statement is correct?

A. DSMAX may have to be increased.

B. Storage requirements for EDMDBDC will decrease.

C. Storage requirements for some applications will increase.

D. The dynamic statement cache should be increased to handle the additional SQL

statements.

Answer: A

QUESTION NO:8

Which DSNZPARM will define the number of RID Blocks in the RID Pool?

A. NUMTCB

B. MAXRBLK

C. CONDBAT

D. URLGWTH

Answer: B

QUESTION NO:13

What is a consideration when specifying DATA CAPTURE CHANGES?

A. Can be specified for capturing changes to an XML object.

B. To minimize logging, specify NOT LOGGED when DATA CAPTURE CHANGES is

specified.

C. REFRESH TABLE statement is not allowed with a table defined with DATA

CAPTURE CHANGES.

D. You cannot turn on DATA CAPTURE CHANGES if the table space is in advisory

REORG- pending.

Answer: D

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