What is meant by free extent ?
Answers were Sorted based on User's Feedback
Answer / manvendra
FREE EXTENT MEANS UNALLOCATED AREA OF A SEGMENT.
WHEN WE DELETE DATA FROM TABLE, EXTENT OF CORROSPONDING
SEGMENT BECOMES FREE.
BUT IF WE ARE TRUNCATING A TABLE IT REMOVES EXTENTS ALSO.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / orawhiz
A free extent is a collection of continuous free blocks in
tablespace. When a segment is dropped its extents are
reallocated and are marked as free.
| Is This Answer Correct ? | 0 Yes | 3 No |
What is the role of PCTFREE parameter is Storage clause ?
List the Optional Flexible Architecture (OFA) of Oracle database ?
What do Redo Log Buffers contain?
How the log writer writes the data into database
How can we plan storage for very large tables ?
What is Server Process?
What is the function of Redo Log in Oracle?
what is ORACLE MEMORY STRUCTURES
What is an Oracle Rollback Segment?
What is a Control file ?
What is a Rollback segment entry ?
What are the components of SGA?