数据库常用语句

1.SQL>grant unlimited tablespace to username;（全局表空间访问权限）

   SQL>alter user username quota unlimited|100M on tablespacename;

2.SQL>  alter table p_range_test add partition t_p4 values less than(40);（无max分区）

   SQL>alter table hpstjnl split partition pmax at ('20160201') into (partition p20160101,partition pmax)  update indexes;