RelationalDBDesign
SiteMap
Database Architecture
Database Admin
Managing Users
Managing Objects
Backup Recovery
Admin Tasks
Space Management
«Prev
Next»
Oracle Free Diction - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
Which of the following views does not contain information about freelists?
Please select the best answer.
A.
USER_TABLES
B.
USER_TABLESPACES
C.
USER_INDEXES
D.
USER_SEGMENTS
2.
PCTUSED
and
PCTFREE
work together in which of the following ways?
Please select all the correct answers.
A.
PCTFREE
determines the amount of space used for inserts into a data block.
B.
PCTUSED
determines the amount of space used for inserts into a data block.
C.
PCTFREE
and
PCTUSED
work together to determine the amount of space used for inserts into a data block.
D.
Either
PCTFREE
or
PCTUSED
can have an effect on whether a data block is considered available for inserts.
3.
You have a table that will be used for a lot of insertions and a lot of deletions. You want to optimize the use of space in the extents. What should you do?
Please select the best answer.
A.
Make the
PCTFREE
low and the
PCTUSED
lower
B.
Make the
PCTFREE
high and the
PCTUSED
low
C.
Make the
PCTUSED
slightly lower than the
PCTFREE
D.
Make the
PCTUSED
higher than 100 --
PCTFREE