oracle在split分區時會鎖表嗎？

不會數據丟失，拆分的語法大致如下：

ALTER TABLE sales SPLIT PARTITION SALES_Q4_2000 AT (TO_DATE('15-NOV-2000','DD-MON-YYYY')) INTO (PARTITION SALES_Q4_2000, PARTITION SALES_Q4_2000b);