In QlikView you have few options.
1. QlikView linking tables (based on fieldnames)
2. Concatenate tables
3. Join (Inner, Left, Right)
Depending on the purpose you can choose one of the above examples.
Here are some attachments were you wil find an explanation and also in this blog
http://qlikviewnotes.blogspot.nl/2009/11/understanding-join-and-concatenate.htmlis a good explanation.
I hope this helps