I have 10 tables in my database(MySQL). two of them is given below tbl_state state_id|int(10)|UNSIGNED ZEROFILLauto_increment
I would like to model a betting system relationship from a User to a Bet. I would like to have a model Bet with two primary keys.
I\'m hoping someone can help me with mapping a legacy database.The problem I\'m describing here has plagued others, yet I was unable to
I have two tables Plants and Information. For every plant there are many information, but for each plant there is a single MainInformation. So there is a one-to-many relationship and a one-to-one rela
I thought it was alias for simple foreign key relation,but seems not. 开发者_高级运维Can you take MySQL as an example what is association relation?
In .net objects like DataTable when you have two grids(Master and Detail) and add a row to the second one(Detail), The new row will have the Foreign-Key Values automatically.
I need help in auto populating the primary key values in foreign key table while inserting data in foreign key table. For Example: I have created table:
I\'ve been toying with MySQL today and reading their documentation, gotten some handy information of optimization and a lot of things I didn\'t know. Now I\'ve been adding foreign keys to my web appli
My doubt is about how to treat the follow thing: I have a system where a user belong to a company, and this user have their clients.
This question already has answers here: 开发者_StackOverflow Closed 12 years ago. Possible Duplicate:
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