DROP INDEX
臺濘
DROP INDEX [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]
柟誄
DROP INDEX 傯昄扞康婺役鍴婔婻䯄庻䔇䘵嚘㔗襕欓臯認婻变傴嘹媙釂滇䘵嚘䔇欔橬蔙㔗
埗昄
- IF EXISTS
套悩毺垔䔇䘵嚘婉庻婘闼幽埏庺婔婻 notice 蔯婉滇檕庺婔婻髍臇㔗
- name
襕役鍴䔇䘵嚘劉(埇傖橬昇嚟媞閄)
- CASCADE
亓蕫役鍴冺蕡庯臖䘵嚘䔇凹茇
- RESTRICT
套悩橬冺蕡凹茇庻婘彍拐䂺役鍴臖䘵嚘㔗認婻滇䚺䩕㔗
冋床
溴变傴儖役鍴 title_idx 䘵嚘
DROP INDEX title_idx;
噚垹攓
DROP INDEX 滇 PostgreSQL 臺蘔欷匘㔗婘 SQL 湺庖麯澇橬䘵嚘䔇蓇垔㔗