Printable PDF Exam Code: 1Z0-117
Exam Name: Oracle Database 11g Release 2: SQL Tuning Exam
Updated: Sep 23, 2023
Q&As: 125
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1Z0-117 Online Practice Questions and Answers
Which two types of column filtering may benefit from partition pruning?
A. Equally operates on range-partitioned tables.
B. In-list operators on system-partitioned tables
C. Equality operators on system-partitioned tables
D. Operators on range-partitioned tables
E. Greater than operators on hash-partitioned tables
Examine the exhibit to view the query and its execution plan?
What two statements are true?
A. The HASH GROUP BY operation is the consumer of the HASH operation.
B. The HASH operation is the consumer of the HASH GROUP BY operation.
C. The HASH GROUP BY operation is the consumer of the TABLE ACCESS FULL operation for the CUSTOMER table.
D. The HASH GROUP BY operation is consumer of the TABLE ACCESS FULL operation for the SALES table.
E. The SALES table scan is a producer for the HASH JOIN operation.
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