Alter Tablespace

توضیحات

دستور alter Tablespace برای تغییر ساختار tablespace به کار می‌رود.

دستور

tablespace در اوراکل با دستور زیر تغییر می‌یابد:

ALTER TABLESPACE tablespace_name
  { DEFAULT
     [ { COMPRESS | NOCOMPRESS } ] storage_clause
  | MINIMUM EXTENT integer [ K | M | G | T | P | E ]
  | RESIZE integer [ K | M | G | T | P | E ]
  | COALESCE
  | RENAME TO new_tablespace_name
  | { BEGIN | END } BACKUP
  | { ADD { DATAFILE | TEMPFILE }
       [ file_specification
          [, file_specification ]
       ]
    | DROP {DATAFILE | TEMPFILE } { 'filename' | file_number }
    | RENAME DATAFILE 'filename' [, 'filename' ] TO 'filename' [, 'filename' ]
    | { DATAFILE | TEMPFILE } { ONLINE | OFFLINE }
    }
  | { logging_clause | [ NO ] FORCE LOGGING }
  | TABLESPACE GROUP { tablespace_group_name | '' }
  | { ONLINE
    | OFFLINE [ NORMAL | TEMPORARY | IMMEDIATE ]
    }
    | READ { ONLY | WRITE }
    | { PERMANENT | TEMPORARY }
  | AUTOEXTEND
     { OFF
     | ON [ NEXT integer [ K | M | G | T | P | E ] ]
        [ MAXSIZE { UNLIMITED | integer [ K | M | G | T | P | E ] } ]
     }
  | FLASHBACK { ON | OFF }
  | RETENTION { GUARANTEE | NOGUARANTEE }
  } ;