饮水思源:http://blog.itpub.net/7583803/viewspace-708450/
SQL>select table_name , partition_name,high_value from user_tab_partitions where table_name='MMA_LOG'
TABLE_NAME PARTITION_NAME HIGH_VALUE
-------------------- ------------------------------ --------------------------------------------------------------------------------
MMA_LOG LOG_1103 TO_DATE(' 2011-04-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
MMA_LOG LOG_1106 TO_DATE(' 2011-07-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
MMA_LOG LOG_1109 TO_DATE(' 2011-10-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA
MMA_LOG L