1Z0-117 - Oracle Certification
https://www.pass4sures.com/1z0-117.html
About Oracle 1Z0-117 Exam  Pass4sure´s content is approved by the industry veterans after deep
scrutinizing. You can trust Pass 4 sure PDF Study Guides, braindumps, practice tests and Exam Engine to enjoy an interesting and rewarding learning experience enhancing your professional expertise.
https://www.pass4sures.com/1z0-117.html
Oracle Certification Prep: 1Z0-117  Pass4sure´s prime objective is to provide its customers with valid and trustworthy
information that is taken out from printed and authentic informative sources. The products comprise real exam questions, absolutely in line with the actual exam format. Thus it is a pathway that helps you to win over your exam worries and ensure exam success with money back guarantee.
https://www.pass4sures.com/1z0-117.html
1z0-117 study material
Unique and comprehensive study material Arranged systematically in PDF format Prepared by the highly-skilled IT professionals Easy to understand Question & Answer format Detailed explanation of the all the complex issues Guarantee to a definite success in the very first attempt.
https://www.pass4sures.com/1z0-117.html
1z0-117 Exam Basics
ď ą Now you can safely plan to win certifications from the globally-recognized IT vendors
like Oracle with the help of the most rewarding Pass4sure study material. Are you planning to try career-oriented Oracle IT Certification Exams, Pass4sure has the best help available for you; the study guide, practice tests, braindumps and uniquely crafted user-friendly Exam Engine that have been developed to expand your knowledge and sharpen exam ability.
https://www.pass4sures.com/1z0-117.html
Pass the 1z0-117 Exam
ď ą To cope with the challenges of IT industry and to improve your professional
expertise, Pass4sure Oracle exam products stand with you as your real ally. Pass 4 sure’s Exam products are designed in such a way that helps to improve the knowledge and skills to ace all exam without any hassle. You can rely on pass4sure to answer real exam questions with confidence and ease, ultimately winning your score with a brilliant result.
https://www.pass4sures.com/1z0-117.html
5 Solid Reasons for being stay with Pass4sure
Real exam Questions & Answers Easy, reliable and authentic content Success ensured with money back guarantee Practice tests made on latest exam pattern Available in the most affordable prices
https://www.pass4sures.com/1z0-117.html
30 Days Money Back Guarantee
We offer you 30 days money back guarantee. Students, who got failed, even after struggling hard to pass the exams by using our preparation material, are advised to claim our money back guarantee.
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam
Question No : 1 You are administering a database that supports an OLTP workload. Automatic optimizer statistics collection is scheduled in the night maintenance window. Some of the tables get updated frequently during day time and you notice a performance degradation for queries using those tables due to stale statistics. Which two options might help to avoid the performance degradation of the queries?
A. Set the global statistics preference STALE_PERCENT to 0. B. Use dynamically sampling hint for the queries on frequently updated tables. C. Create histogram for the columns used frequently in the WHERE clause. D. Gather statistics with global statistics preference NO_VALIDATE to TRUE. E. Set the OPTIMZER_USE_PENDING_STATISTICS parameter to TRUE.
Answer: B,C https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam
Question No : 2 You are administering database that supports an OLTP workloads. Most of the queries use an index range scan or index unique scan as access methods. Which three scenarios can prevent the index access being used by the queries? A. When highly selective filters is applied on an indexed column of a table with sparsely populated blocks. B. When the rows are filtered with an IS NULL operator on the column with a unique key defined C. When the histogram statistics are not collected for the columns used in where clause. D. When a highly selective filter is applied on the indexed column and the index has very low value for clustering factor. E. When the statistics for the table are not current.
Answer: A,B,E https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam
Question No : 3 While tuning a SQL statement, the SQL Tuning Advisor finds an existing SQL profile for a statement that has stale statistics. Automatic optimizer statistics is enabled for the database. What does the optimizer do in this situation? A. Updates the existing SQL profiles for which the statistics are stale. B. Makes the statistics information available to GATHER_DATABASE_STATS_JOB_PROC C. Starts the statistics collection process by running GATHER_STATS_JOB D. Writes a warning message in the alert log file
Answer: B https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam
Question No : 4
Which two statements are true about index full scans?
A. An index fast full scan multi block I/O to read the index structure in its entirely. B. Index nodes are not retrieved in the index order, and there fore the nodes are not in sequence. C. An index fast full scan reads the index block by block. D. An index fast full scan reads the whole index from the lowest value to the higher value.
Answer: A,B https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 5 Examine the Exhibit.
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 5 Examine the Exhibit. Which two statements are true about the bloom filter in the execution plan? A. The bloom filter prevents all rows from table T1 that do not join T2 from being needlessly distributed. B. The bloom filter prevents all rows from table T2 that do not join table T1 from being needlessly distributed. C. The bloom filter prevents some rows from table T2 that do not join table T1 from being needlessly distributed. D. The bloom filter is created in parallel by the set of parallel execution processes that scanned table T2. E. The bloom filter is created in parallel by the set of parallel execution processes that later perform join. F. The bloom filter is created in parallel by the set of parallel execution processes that scanned table T1.
Answer:C,E
1Z0-117 - Oracle Real Exam
Question No : 6 You are logged in as the HR user and you execute the following procedure: SQL > exec DBMS_STATS.SET_TABLE_PREFS (‘HR’, ‘EMPLOYEES’, ‘PUBLISH’, ‘FALSE’); SQL> exec DBMS_STATS.GATHER_TABLE_STATS (‘HR’, ‘EMPLOYEES’); Which statement is true about the newly gathered statistics?
A. They are temporary and purged when the session exits. B. They are used by the optimizer for all sessions. C. They are locked and cannot be overwritten. D. They are marked as pending and stored in the pending statistics table.
Answer :D
1Z0-117 - Oracle Real Exam Question No : 7
Which two are the fastest methods for fetching a single row from a table based on an equality predicate?
A. Fast full index scan on an index created for a column with unique key B. Index unique scan on an created for a column with unique key C. Row fetch from a single table hash cluster D. Index range scan on an index created from a column with primary key E. Row fetch from a table using rowid
Answer :C,E
1Z0-117 - Oracle Real Exam Question No : 8 You enable auto degree of parallelism (DOP) for your database instance. Examine the following query:
Which two are true about the execution of statement? A. Dictionary DOP for the objects accessed by the query is used to determine the statement DOP. B. Auto DOP is used to determine the statement DOP only if the estimated serial execution time exceeds PARALLEL_MIN_TIME_THRESHOLD. C. Dictionary DOP is used to determine the statement DOP only if the estimated serial execution time exceeds ARALLEL_MIN_TIME_THRESHOLD. D. The statement will be queued if insufficient parallel execution slaves are available to satisfy the statements DOP. E. The statement will be queued if the number of busy parallel execution servers exceeds PARALLEL_SERVERS_TARGET. F. The statements may execute serially.
Answer :E,F
1Z0-117 - Oracle Real Exam Question No : 9 View the code sequence:
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 9 Examine the Exhibit to view the execution plan
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 9 Which two statements are true about the query execution?
A. The optimizer joins specified tables in the order as they appear in the FROM clause. B. The CUSTOMERS and ORDERS tables are joined first and the resultant is then joined with rows returned by the ORDER_ITEMS table. C. The CUSTOMERS and ORDER_ITEMS tables are joined first the resultant is then joined with rows by the ORDERS table. D. The optimizer has chosen hash join as an access method as the OPTIMIZER_MODE parameter is set to FIRST_ROWS.
Answer: C,D
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 10 Examine the query and its execution plan:
https://www.pass4sures.com/1z0-117.html
1Z0-117 - Oracle Real Exam Question No : 10 Which statement is true regarding the execution plan?
A. This query first fetches rows from the CUSTOMERS table that satisfy the conditions, and then the join return NULL from the CUSTOMER_ID column when it does not find any corresponding rows in the ORDERS table. B. The query fetches rows from CUSTOMERS and ORDERS table simultaneously, and filters the rows that satisfy the conditions from the resultset. C. The query first fetches rows from the ORDERS table that satisfy the conditions, and then the join returns NULL form CUSTOMER_ID column when it does not find any corresponding rows in the CUSTOMERS table. D. The query first joins rows from the CUSTOMERS and ORDERS tables and returns NULL for the ORDERS table columns when it does not find any corresponding rows in the ORDERS table, and then fetches the rows that satisfy the conditions from the result set.
Answer: A
https://www.pass4sures.com/1z0-117.html
Become Certified From Pass4sures.com
https://www.pass4sures.com/1z0-117.html