-- A表:
-- id,
-- title,
-- ......
-- 只查id:
select * from A where id > (select id from A limit 100000,1) limit 100;
select * from A where id between (select id from A limit 100000,1) and (select id from A limit 100100,1);
select * from A a join (select id from A limit 100000,100) b on a.id = b.id;
select * from A a join (select id from A limit 100000,100) b using(id);-- using等价于join操作中的on
-- 同时查询title和id,在id和title上增加聚集索引,子句同时使用两个条件进行查询(包含所有需要字段的聚集索引可称为覆盖索引)。
-- 查询到的id不连续:先查询得到id集合,之后使用in。
select * from A where id in (1,10,100,1000,10000,1000006,......);