In order to succeed in life and for achieving better job prospects it is very important for you to do something different from what other people are already doing. There is intense competition in every field these days and the employers are only interested in recruiting people who are ahead of others. If you are in the IT field and you want to gain a good position in a well known company then it becomes very important for you to crack certain IT certification exams. Qualifying the exams would surely be a great achievement for you.
These days various coaching centers have been opened all around the world that help prospective students to qualify for the exams but if you are looking for expert support and help then you must surely consider taking the help of online websites that provide you expert advice and guidance. They also provide you good study material with the help of which you can achieve a pass grade in your IT certificate exams.
Test4actual provides the most comprehensive Implemenation 1Z0-117 study guide for our customers,We guarantee your success in the first attempt. If you do not pass the Oracle Other CertificationI “1Z0-117″ (Oracle Database 11g Release 2: SQL Tuning) on your first attempt, send us the official result . Test4actual to every customer, we promise “If you failed the exam, give you full refund”. If you failed , You can send the score report to us.We will give you a FULLY REFUND of your purchasing fee OR send you another same value product for free. (For a full refund details)
Test4actual 1Z0-117 Preparation Material provides you everything you will need to take your 1Z0-117 Exam. The 1Z0-117 Exam details are researched and produced by Professional Certification Experts who are constantly using industry experience to produce precise, and logical. You may get questions from different web sites or books, but logic is the key. Our Product will help you not only pass in the first try, but also save your valuable time.Give your career a boost and start earning your Oracle certification today!
1.Which three statements are true about histograms?
A. They capture the distribution of different values in an index for better selectivity estimates.
B. They can be used only with indexed columns.
C. They provide metadata about distribution of and occurrences of values in a table column.
D. They provide improved selectivity estimates in the presence of data skew, resulting in execution plans with uniform distribution.
E. They help the optimizer in deciding whether to use an index or a full table scan.
F. They help the optimizer to determine the fastest table join order.
Answer: C,E,F
A. They capture the distribution of different values in an index for better selectivity estimates.
B. They can be used only with indexed columns.
C. They provide metadata about distribution of and occurrences of values in a table column.
D. They provide improved selectivity estimates in the presence of data skew, resulting in execution plans with uniform distribution.
E. They help the optimizer in deciding whether to use an index or a full table scan.
F. They help the optimizer to determine the fastest table join order.
Answer: C,E,F
2.Which four statements are correct about communication between parallel execution process?
A. The number of logical pathways between parallel execution producers and consumers depends on the degree parallelism.
B. The shared pool can be used for parallel execution messages buffers.
C. The large pool can be used for parallel execution messages buffers.
D. The buffer cache can be used for parallel execution message buffers.
E. Communication between parallel execution processes is never required if a query uses full partition-wise joins.
F. Each parallel execution process has an additional connection to the parallel execution coordinator.
Answer: A,B,E,F
A. The number of logical pathways between parallel execution producers and consumers depends on the degree parallelism.
B. The shared pool can be used for parallel execution messages buffers.
C. The large pool can be used for parallel execution messages buffers.
D. The buffer cache can be used for parallel execution message buffers.
E. Communication between parallel execution processes is never required if a query uses full partition-wise joins.
F. Each parallel execution process has an additional connection to the parallel execution coordinator.
Answer: A,B,E,F
Test4actual offer best quality 70-331 dumps test papers and 70-342 VCE test engine. You can get our 100% guaranteed 70-336 pdf questions & 70-337 dump to help you in passing the real exam.
Article From :http://www.test4actual.com/1Z0-117.html
No comments:
Post a Comment