Form an sql query

Hello,
I have a problem and can't quite figure it out.
The picture is like this - I have a campaign which has a set of
keywords associated with it and a searchtopic. This searches the web for the topic and retrieves results and then counts the number of occurences of each keyword from each hit of the search query and stores this in an analysis table.
I have the following tables
Campaign table with campaign_id
Urlcontent table with url_id and campaign_id -->
url_id | url | content | campaign_id
Keyword table with keyword_id and campaign_id -->
keyword_id keyword campaign_id
Analysis table with campaign_id, url_id, keyword_id -->
analysis_id url_id keyword_id count analysetime
I need to extract data like this
urla | keyworda | counta | keywordb | countb | analysetimea
urla | keyworda | counta | keywordb | countb | analysetimeb
urlb | keyworda | counta | keywordb | countb | analysetimeb
urlc | keyworda | counta | keywordb | countb | analysetimec
I think this can be achieved with sql join or subquery but my sql skills
are really poor.
I tried ::
select uc.url, kw.keyword, an.count, an.analysetime from urlcontent uc, keyword kw, analysis an, campaign cm
join uc.campaign_id = cm.campaign_id
join kw.campaign_id = uc.campaign_id
join kw.keyword_id = an.keyword_id
join kw.campaign_id = an.campaign_id
where cm.campaign_id=13;
But this is not working. Appreciate any help. Thanks all.
cheers,
sanjeev

This is probably not the best forum to be posting for help on SQL. Its hard to tell from the explanation of your tables what you need to do. Your join statements need to be of the form:
JOIN aTable ON tableA.field = tableB.field
There are several types of join you can perform. Have a look at this tutorial for some help.
http://www.w3schools.com/sql/sql_join.asp

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