Practicetest 000-M87 ibm it-exams
Practicetest 000-M87 ibm it-exams
IT Exam,IT Certification,braindump,original questions, question pool,document, braindump, test questions, test question, dumps, test answers, it-exams.com, preparation, pdf, certification questions, answers Certification, certification test, practice test, exam dumps, certification training, answers real questions
000-M87 IBM Netezza Technical Mastery Test v1 our products come with a 100% guarantee of success. We hold this claim because of the highly dedicated and expert team that we have and because of our past performance.
Practicetest 000-M87 ibm it-exams
QUESTION NO: 1
Which of the following statements is the LEAST accurate?
A. Skew can sometimes cause the optimizer to broadcast data during a query.
B. Skew can occur when more data in a table is on one disk than others due to a sub-optimal distribution key.
C. Skew can occur despite evenly distributed tables when more data ends up on one Snippet Processor while a query is being processed.
D. Skew can cause query performance problems.
Answer: A
QUESTION NO: 2
Which of the following statements is MOST TRUE?
A. Statistics have no impact on ZoneMaps.
B. ZoneMaps are disabled for a table while Statistics are being run.
C. The ability to generate ZoneMaps and generate Statistics can both be assigned to users via permissions.
D. Statistics and ZoneMaps are both used by the optimizer to choose an optimal query plan.
Answer: B
Practicetest 000-M87 ibm it-exams
IT Exam,IT Certification,braindump,original questions, question pool,document, braindump, test questions, test question, dumps, test answers, it-exams.com, preparation, pdf, certification questions, answers Certification, certification test, practice test, exam dumps, certification training, answers real questions
000-M87 IBM Netezza Technical Mastery Test v1 our products come with a 100% guarantee of success. We hold this claim because of the highly dedicated and expert team that we have and because of our past performance.
Practicetest 000-M87 ibm it-exams
QUESTION NO: 1
Which of the following statements is the LEAST accurate?
A. Skew can sometimes cause the optimizer to broadcast data during a query.
B. Skew can occur when more data in a table is on one disk than others due to a sub-optimal distribution key.
C. Skew can occur despite evenly distributed tables when more data ends up on one Snippet Processor while a query is being processed.
D. Skew can cause query performance problems.
Answer: A
QUESTION NO: 2
Which of the following statements is MOST TRUE?
A. Statistics have no impact on ZoneMaps.
B. ZoneMaps are disabled for a table while Statistics are being run.
C. The ability to generate ZoneMaps and generate Statistics can both be assigned to users via permissions.
D. Statistics and ZoneMaps are both used by the optimizer to choose an optimal query plan.
Answer: B
Practicetest 000-M87 ibm it-exams
nina008 - 21. Dez, 02:30
