mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 12:02:42 +01:00
41 lines
894 B
Text
41 lines
894 B
Text
drop table if exists t1;
|
|
create table t1 (a int not null auto_increment,b int, primary key (a)) engine=heap auto_increment=3;
|
|
insert into t1 values (1,1),(NULL,3),(NULL,4);
|
|
delete from t1 where a=4;
|
|
insert into t1 values (NULL,5),(NULL,6);
|
|
select * from t1;
|
|
a b
|
|
1 1
|
|
3 3
|
|
5 5
|
|
6 6
|
|
delete from t1 where a=6;
|
|
replace t1 values (3,1);
|
|
ALTER TABLE t1 add c int;
|
|
replace t1 values (3,3,3);
|
|
insert into t1 values (NULL,7,7);
|
|
update t1 set a=8,b=b+1,c=c+1 where a=7;
|
|
insert into t1 values (NULL,9,9);
|
|
select * from t1;
|
|
a b c
|
|
1 1 NULL
|
|
3 3 3
|
|
5 5 NULL
|
|
8 8 8
|
|
9 9 9
|
|
drop table t1;
|
|
create table t1 (
|
|
skey tinyint unsigned NOT NULL auto_increment PRIMARY KEY,
|
|
sval char(20)
|
|
) engine=heap;
|
|
insert into t1 values (NULL, "hello");
|
|
insert into t1 values (NULL, "hey");
|
|
select * from t1;
|
|
skey sval
|
|
1 hello
|
|
2 hey
|
|
select _rowid,t1._rowid,skey,sval from t1;
|
|
_rowid _rowid skey sval
|
|
1 1 1 hello
|
|
2 2 2 hey
|
|
drop table t1;
|