做一個 initial 小於uniform size的實驗，驗證 該表建立後：建立了minextents 個uniform size的extents.，minextentsextents

做一個 initial 小於uniform size的實驗，驗證 該表建立後：建立了minextents 個uniform size的extents.，minextentsextents

做一個 initial  小於uniform size的實驗，驗證 該表建立後：建立了minextents 個uniform size的extents.

相關知識參考連結：http://blog.csdn.net/msdnchina/article/details/43836411

Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> alter system set deferred_segment_creation=false;System altered.SQL> show parameter deferNAME                                 TYPE        VALUE------------------------------------ ----------- ------------------------------deferred_segment_creation            boolean     FALSESQL> create tablespace test_uni_sz_2m    2  datafile '/u01/app/oracle/oradata/test/test_uni_sz_2m_01.dbf' size 50m    3  extent management local uniform size 2m;  Tablespace created.SQL> create table test_tab_2 (col1 varchar2(2)) tablespace test_uni_sz_2m storage(initial 65535 minextents 3);Table created.SQL> select bytes from dba_extents where segment_name = 'TEST_TAB_2' and owner = 'SCOTT';       BYTES----------   2097152   2097152   2097152SQL> show userUSER is "SCOTT"SQL>