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MongoDB索引
2022-07-03 13:42:00 【稻田里展望者】
创建索引 db.comment.createIndex({userid:1})
comment是数据库的名称, userid是数据库的字段
查看索引db.comment.getIndexes()
创建复合索引 db.comment.createIndex({userid:1,nickname:-1})
字段名包括userid 和nickname
移除索引db.comment.dropIndex({userid:1})
移除复杂的索引db.comment.dropIndex("userid_1_nickname_-1")
移除所有的所有db.comment.dropIndexes()
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