chapter10 Flashcards
is a special tablespace that is required to be online all the time for the database to function properly
SYSTEM
is an auxiliary tablespace always created when oracle database is created
SYSAUX
Contain data dictionary and tables containing administrative information about the database.
SYSTEM
System tablespace of earlier version
SYSAUX
SQL execution requiring temporary segments
TEMP tablspace
use for storing undo information
UNDOTBS1
use for storing user objects
users
contain sample schema
Example
note:
The tablespace cannot exceed 30 characters. The name should begin with an alphabetic character and can contain alphabetic characters, numeric character and the special characters #,_,$
note2:
tables and indexes are examples of segments.
tablespaces are built on a single data file
Bigfile
is the new name for the old Oracle tablespace data file option
Smallfile
can ease the administration of files used by an Oracle 11g database
Oracle Managed Files
Defines the location of the default file system directory for data files and temporary files
DB_CREATE_FILE_DEST
Defines the location for redo log files and control file creation
DB_CREATE_ONLINE_LOG_DEST_n