Union multiple tables dynamically based on lookuptable

Hi All,

I have few table in my DB named info_1,info_2,info_3,info_4 and there is lookuptable named main_info.

Main_info table contains

ID    Startdate              EndDate

1     12/16/2013-00:00 12/16/2013-11:59

2     12/17/2013-00:00 12/17/2013-11:59

3     12/18/2013-00:00 12/18/2013-11:59      

4    12/19/2013-00:00 12/19/2013-11:59

Info_1 table contains

ID      Date                    Name       Address     Phone  Number

1     -00:00   a             b               1111       

1   12/16/2013-02:00   ab           b b              2222

Info_2 contains

ID      Date                    Name       Address     Phone  Number

2     12/16/2013-00:00   aaa             bbbbb               1111       

2   12/16/2013-02:00   abcccc           bbvvvv              2222

Similarly Info_3 as well which has ID=3

We have multiple such info_X tables and each table contains 1000 records with unique ID.

Issue is if you want to query for data between 12/16/2013-00:00  to 12/18/2013-11:00, you need to query:
• info_1 (from 12/16/2013-00:00 to its end);
• info_2 (from 12/17/2013-00:00 to its end);
• info_3 (from 12/18/2013-00:00 to 12/18/2013-11:00 );

>Question is how to achieve this. How can I union multiple tables dynamically as mentioned above.

Any inputs would be greats.

Regards,

Raj