oracle查询最近十条数据_怎么以高效的性能获取表记录最高的那前十条数据
自己去感受速度的加快吧SQL> CREATE TABLE T AS SELECT * FROM DBA_OBJECTS, DBA_SEQUENCES;Table createdSQL>SQL> SELECT OBJECT_ID, OBJECT_NAME2 FROM (SELECT ROWNUM RN, OBJECT_ID, OBJECT_NAME3 F...
