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Found 2 results

  1. Hi All, I am adding a button that will delete many things in the system which all have the same $job_id There is going to be 10 or so tables that need to delete * where $job_id = ? Is there a better way to do this rather than just iterating my code 10 times. I was looking at just joining but isnt one benefit of prepared statements that they can be used again and again to increase speed.
  2. HI All Not sure how best to describe what i am trying to do so here goes. People use my system to order food from a menu - this is not for a restaurant where you order one starter main and desert, they will be ordering 00's of meals. The table layout is as follows: ssm_menu menu_id | menu_name | menu_price ssm_menu_connection menu_id | menu_item_id | surrogate_id ssm_menu_items menu_item_id | menu_item_name | menu_item_category ssm_menu_order job_id | menu_id | menu_item_id | menu_item_qty Menu items can appear on more than one menu. If a user orders 100 of menu_item_id 1, 2 & 3 these appear on menu_id 1& 2 Menu_id 1 only contains item_id 1, 2, 3 Menu_id 2 contains menu_item 1,2,3,4,5,6,7,8,910 when querying the database, i would like the menu_id to comeback as 1 as all of the items appear on this menu and out of all available menu items the higher percentage have been picked from this menu than menu_id 2. So on menu_id 1 = 100% of the available menu_item_id have been given a menu_item_qty but on menu_id 2, only 30% of the available menu_item_id have been selected. the sql that i have started with is the following: select menu_name from ssm_menu a inner join ssm_menu_connection b on a.menu_id = b.menu_id inner join ssm_menu_items c on b.menu_item_id = c.menu_item_id inner join ssm_menu_order d on c.menu_item_id = d.menu_item_id where job_id = 27 The result of this is: Menu One, Menu One, Menu One, Menu Two, Menu Two, Menu Two I hope this is enough information to shed some light on what i am trying to achieve and appreciate any feedback in advance. Kind Regards Adam
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