sqlite3查看select使用什么索引

发布时间：2020-12-12 19:33:59 所属栏目：百科来源：网络整理

导读：eg: CREATE TABLE Person (id integer primary key,name text,age integer default 5); CREATE INDEX index_age on Person (age); EXPLAIN QUERY PLAN select * from Person where age = 9; selectid order from detail ---------- ---------- ---------- --

eg:

CREATE TABLE Person (id integer primary key,name text,age integer default 5);

CREATE INDEX index_age on Person (age);

EXPLAIN QUERY PLAN select * from Person where age = 9;

selectid order from detail

---------- ---------- ---------- -------------------------------------------------

0 0 0 SEARCH TABLE Person USING INDEX index_age (age=?)

（编辑：李大同）

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