A2090-612 Exam pass exam app
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A2090-612 Exam pass exam app
A2090-612 Exam
Exam Number/Code : A2090-612
Exam Name : Assessment: DB2 10 DBA for z/OS Assessment
A2090-612 exam is an important IBM certifications I certification which can test your professional skills. Candidates want to pass the exam successfully to prove their competence. Passokay IBM certifications I technical experts have collected and certified 246 questions and answers of A2090-612 exam which are designed to cover the knowledge points of the Interconnecting IBM certifications I Networking Devices Part 1 and enhance candidates' abilities. With Passokay A2090-612 preparation tests you can pass the A2090-612 exam easily, get the CCENT certification and go further on IBM certifications I career path.
Questions and Answers : 134 Q&As
Update Time: 2014-06-05
http://www.passokay.com/A2090-612.html
http://www.passokay.com/pdf/A2090-612.pdf
^P
Question: 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
^P
Question: 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
^P
Question: 3
What IBM provided stored procedure will access DB2 real time statistics tables?
A. DSNAEXP
B. DSNAIMS
C. DSNACCOX
D. DSNLEUSR
Answer: C
^P
Question: 4
The EXPLAIN STMTCACHE ALL statement provides information about SQL tuning. Which information is part of the DSN_STATEMENT_CACHE_TABLE?
A. Filter factor information.
B. Stage 1 and stage 2 information.
C. Number of columns used in an index.
D. Number of times an SQL statement is executed.
Answer: D
^P
Question: 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
^P
Question: 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 IBM A2090-612 Exam "Pass Any Exam. Any Time." - www.actualtests.com 3 inner table is small.
D. When the matching columns of the inner table are in a non-clustering index or the outer table has duplicate qualifying rows.
Answer: A
Exam Number/Code : A2090-612
Exam Name : Assessment: DB2 10 DBA for z/OS Assessment
A2090-612 exam is an important IBM certifications I certification which can test your professional skills. Candidates want to pass the exam successfully to prove their competence. Passokay IBM certifications I technical experts have collected and certified 246 questions and answers of A2090-612 exam which are designed to cover the knowledge points of the Interconnecting IBM certifications I Networking Devices Part 1 and enhance candidates' abilities. With Passokay A2090-612 preparation tests you can pass the A2090-612 exam easily, get the CCENT certification and go further on IBM certifications I career path.
Questions and Answers : 134 Q&As
Update Time: 2014-06-05
http://www.passokay.com/A2090-612.html
http://www.passokay.com/pdf/A2090-612.pdf
^P
Question: 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
^P
Question: 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
^P
Question: 3
What IBM provided stored procedure will access DB2 real time statistics tables?
A. DSNAEXP
B. DSNAIMS
C. DSNACCOX
D. DSNLEUSR
Answer: C
^P
Question: 4
The EXPLAIN STMTCACHE ALL statement provides information about SQL tuning. Which information is part of the DSN_STATEMENT_CACHE_TABLE?
A. Filter factor information.
B. Stage 1 and stage 2 information.
C. Number of columns used in an index.
D. Number of times an SQL statement is executed.
Answer: D
^P
Question: 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
^P
Question: 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 IBM A2090-612 Exam "Pass Any Exam. Any Time." - www.actualtests.com 3 inner table is small.
D. When the matching columns of the inner table are in a non-clustering index or the outer table has duplicate qualifying rows.
Answer: A
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