假设您有以下表格和数据:
create table t (
k int,
v int,
index k(k)
) engine=memory;
insert into t (k, v)
values (10, 1),
(10, 2),
(10, 3);
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发出select * from t where k = 10
noorder by
子句时,MySQL默认如何对记录进行排序?