开垦土地
You issued the following command： ALTER TABLE SCOTT.EMP SHRINK SPACE； The SCOTT.EMP table is stored in the DATA1 tablespace that has the following properties： DATA1 is a read/write tablespace. DATA1 is not autoextensible to an unlimited size. DATA1 is online. Segment space management for the DATA1 tablespace is manual. You issued the ALTER TABLE SCOTT.EMP SHRINK SPACE； command that generates the following error： ORA-10635： Invalid segment or tablespace type What could be the reason for the failure of the command？（） The tablespace， DATA1， is not read-only.。 The tablespace， DATA1， is not autoextensible.。 The tablespace， DATA1， is not offline.。 The segment space management for the tablespace， DATA1， is manual.。
由于承包人违约引起的暂停施工，承包人可以提出增加费用和延长工期的要求。
（）是气瓶容积系列中的容积等级。 公称容积；。 水容积；。 小容积；。 实际容积。
Which of the following options describes Segment Shrink？（） Reclaims space above and below the high-water mark without using additional space。 Moves rows to a new physical location，resetting the high-water mark，but uses additional space during the operation。 Deallocates space above the high-water mark that is currently not in use。 None of the above。
Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in /backups？（）
