- a b
- 1 Testing
- 2 table
- 3 t1
- 1 Testing
- 2 table
- 3 t2
- a b
- 3 t1
- 3 t2
- 2 table
- 2 table
- 1 Testing
- 1 Testing
- table type possible_keys key key_len ref rows Extra
- t3 range a a 4 NULL 10 where used
- table type possible_keys key key_len ref rows Extra
- t3 range a a 4 NULL 10 where used
- a b
- 10 Testing
- 10 Testing
- a b
- 1 Testing
- 1 Testing
- 2 table
- 2 table
- 3 t1
- 3 t2
- 4 Testing
- 4 Testing
- 5 table
- 5 table
- 6 t1
- 6 t2
- 7 Testing
- 7 Testing
- 8 table
- 8 table
- 9 t2
- 9 t2
- a b
- 11 table
- 11 table
- 12 t1
- 12 t1
- 13 Testing
- 13 Testing
- 14 table
- 14 table
- 15 t2
- 15 t2
- 16 Testing
- 16 Testing
- 17 table
- 17 table
- 18 t2
- 18 t2
- 19 Testing
- 19 Testing
- table type possible_keys key key_len ref rows Extra
- t3 index NULL a 4 NULL 1131 Using index
- a
- 699
- 698
- 697
- 696
- 695
- 694
- 693
- 692
- 691
- 690
- a
- 416
- 415
- 415
- 414
- 414
- 413
- 413
- 412
- 412
- 411
- Table Create Table
- t3 CREATE TABLE `t3` (
- `a` int(11) NOT NULL default '0',
- `b` char(20) default NULL,
- KEY `a` (`a`)
- ) TYPE=MRG_MyISAM UNION=(t1,t2)
- c
- test1
- test1
- test1
- test2
- test2
- test2
- c
- test1
- test1
- test1
- test2
- test2
- test2
- c
- c
- incr othr
- incr othr
- 1 10
- 2 24
- 4 33
- 3 53
- count(*)
- 10
- count(*)
- 20
- count(*)
- 20
- Table Create Table
- t3 CREATE TABLE `t3` (
- `incr` int(11) NOT NULL default '0',
- `othr` int(11) NOT NULL default '0',
- PRIMARY KEY (`incr`)
- ) TYPE=MRG_MyISAM UNION=(t1,t2)
- Table Create Table
- t3 CREATE TABLE `t3` (
- `incr` int(11) NOT NULL default '0',
- `othr` int(11) NOT NULL default '0'
- ) TYPE=MRG_MyISAM UNION=(t1,t2)
- a