Architecture and Administration Q006

Choose the right heirarchy, from largest to smallest, from the following list of logical database structures.



1. Database, tablespace, extent, segment, block.
2. Database, tablespace,segment, extent, block.
3. Database, segment, tablespace, extent, block.
4. Database, extent, talespace, segment, block.



Answer 2 - The first logical level of the database is the tablespace. A tablespace may have segments. Segments have one or more extents, and extents have one or more contiguous blocks of data.