stublackett Posted February 25, 2008 Share Posted February 25, 2008 Hi, I've made 3 tables Tables are setup like User Table UserID username fullname email password level address1 address2 city postcode userlevel Ideas Table IdeasID title description category image User_Ideas UserID IdeasID I'm using PHPMyAdmin and what I'd like to do is create a relationship between the User_Ideas table and the Users and Ideas table using the Primary Keys as indexes (Note there are underlined) How do I link the tables together, So that when say an Idea is added to the ideas' table, It then links to the User_Ideas table and inserts the values of the relationship Any ideas on : a) How to do this in PHPMyAdmin !? OR b) How to do this in Pure MySQL Code? Thanks Quote Link to comment https://forums.phpfreaks.com/topic/92874-linking-databases/ Share on other sites More sharing options...
fenway Posted February 25, 2008 Share Posted February 25, 2008 I don't know what you mean by "inserts the values of the relationship". Quote Link to comment https://forums.phpfreaks.com/topic/92874-linking-databases/#findComment-475736 Share on other sites More sharing options...
stublackett Posted February 25, 2008 Author Share Posted February 25, 2008 I don't know what you mean by "inserts the values of the relationship". Ok, A user signs up to the sight for instance He is then given a UNIQUE UserID of 1 - For Example Purposes He submits an Idea which has the IdeasID of 1 also So the user_ideas table contains the UserID = 1 IdeasID = 1 and this will then make sure that the Idea submitted by the user is Unique to them and paired to them Quote Link to comment https://forums.phpfreaks.com/topic/92874-linking-databases/#findComment-475740 Share on other sites More sharing options...
fenway Posted February 25, 2008 Share Posted February 25, 2008 You can use LAST_INSERT_ID() to get back the user_uid... and use this in subsequent inserts. You can also have the relational table have unique index contraints. But "making sure" is still ambigious. Quote Link to comment https://forums.phpfreaks.com/topic/92874-linking-databases/#findComment-475806 Share on other sites More sharing options...
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