inner-join

Let's assume we have a database like this: Project_tbl : ----------------- id | Project_name ----------------- 1 | A 2 | B 3 | C ----------------- personel_project_tbl : -------------------- user_id | Project_id -------------------- 1 | 1 2 | 2 3 | 1 3 | 2 2 | 3 -------------------- instrument_project_tbl : -------------------------- instrument_id | Project_id -------------------------- 1 | 1 1 | 2 2 | 2 2 | 1 1 | 3 -------------------------- Now, I need to sort the list of projects and rank them with regard to their similarity to the project A. For example: A and B have 1 users in common over

I want to make inner join between two tables Visit table has visit_id target Report table has rep_id visit_id Each visit has many reports ,I want to select all reports with specified visit target I make like this but it donesn't work $db = Zend_Db_Table::getDefaultAdapter(); $select = $db->select(); $rows = $select->from('visits_tb', array('target', 'visit_id')) ->joinInner('report_tb', 'visits_tb.visit_id= report_tb.visit_id', array('visit_id', 'rep_id')) ->where("visits_tb.visit_id=$id"); You can try the following; maybe its a bit clearer if you use table aliases: $db = Zend_Db_Table:

I have 3 tables called Companies Contacts Campaigns Contacts has foreign key of companies. Companies has foreign key of campaigns. All of them have a column 'name'. I need a join table which will have contact name company name and campaign name. contact id name company_id companies id name campaign_id campaigns id name company_id select con.name as contact_name , com.name as company_name,campa.name as campaign_name from contact con inner join company com on con.companyid = com.companyid inner join campaign campa on com.campaignid = campa.campaignid assuming id columns of respected tables

Hi this is quite a tricky one (for me). I have three tables. One contains mobile numbers and a unique id (tbldealermobiles) FCS - Mobile number 1234 - 07464648787 1234 - 07565465465 3566 - 07878989989 7899 - 07464646466 7899 - 07565465464 9654 - 07589898998 One contains purchase dates and a unique id and other details (tblhistory) FCS - purchase date - purchased 1234 - 22/04/2013 - gloves 1234 - 14/03/2013 - hat 1234 - 01/03/2013 - coat 3566 - 20/04/2013 - gloves 3566 - 19/04/2012 - hat 7899 - 14/03/2013 - shoes 9654 - 24/05/2013 - hat 9654 - 19/04/2013 - shoes One contains customer type and a

Can't seem to reach the next step in my update query. I'm able to successfully view columns related to the select no problem: SELECT sales_flat_order_grid.entity_id,sales_flat_order_grid.increment_id,sales_flat_order.coupon_code FROM sales_flat_order_grid INNER JOIN sales_flat_order ON sales_flat_order_grid.entity_id = sales_flat_order.entity_id WHERE sales_flat_order_grid.increment_id = "12345678"; This shows 3 columns all where related to the correct increment_id. The next step is to update the sales_flat_order.coupon_code field. Here is my attempt: UPDATE sales_flat_order INNER JOIN sales