Multiple tables query on Mapserver

Hi all,

I have a couple of tables with same structure but standing for different
layers(1,2,3...) respectivle for Mapserver,

table1
gid | id | name | address | post code | layer
| geom
-----------+------+----------+-------------+-----------+--------+------------
1 1 'name11' 'address11' 102356 1
geom11
2 2 'name12' 'address12' 102356 1
geom12
- - 'name1-' 'address1-' 102356
1 geom1-

table2
gid | id | name | address | post code | layer
| geom
-----------+------+----------+-------------+-----------+--------+------------
1 1 'name21' 'address21' 102356 2
geom21
2 2 'name22' 'address22' 102356 2
geom22
- - 'name2-' 'address2-' 102356 2
geom2-

table3
gid | id | name | address | post code | layer
| geom
-----------+------+----------+-------------+-----------+--------+------------
1 1 'name31' 'address31' 102356 3
geom31
2 2 'name32' 'address32' 102356 3
geom32
- - 'name3-' 'address3-' 102356
3 geom3-

I want to get query results from table1, 2, 3... if key word matches, say
name like 'name' as follows:

input 'name', results will be like

table2
gid | id | name | address | post code | layer
| geom
-----------+------+----------+-------------+-----------+---------+------------
1 1 'name11' 'address11' 102356 1
geom11
2 2 'name12' 'address12' 102356 1
geom12
3 3 'name21' 'address21' 102356 2
geom21
4 4 'name22' 'address22' 102356 2
geom22
5 5 'name31' 'address31' 102356 3
geom31
6 6 'name32' 'address32' 102356 3
geom32
- - --------- --------- ------- -
-

can I achieve that results with a single query sentence? and how?
any good ideas will be appricated?

thanks

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