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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fmysql-test%2F'>mysql-test</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Fmysql-test%2Fmain%2F'>main</a>/</p><hr><h3>✏️ Editing: ext_key_noPK_6794.result</h3>  
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            <textarea name='content' rows='20'>create table t1 (c1 int not null, c2 int, unique index(c1), index (c2)) engine=innodb;
insert into t1 (c1, c2) select 1, round(rand()*100);
insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1;
insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1;
insert into t1 (c1, c2) select (select max(c1) from t1) + c1, c1*93563%100 from t1;
select count(*) from t1;
count(*)
8
explain select * from t1 where c2 = 1 order by c1;
id	1
select_type	SIMPLE
table	t1
type	ref
possible_keys	c2
key	c2
key_len	5
ref	const
rows	1
Extra	Using where; Using index
drop table t1;
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