To make relationship between users was created a table that looks like. sql CREATE TABLE `friends`( `from` INT NOT NULL,
I have a user_id colunm in the user table. Next I have a brand_开发者_如何学Pythonid in the brand table. The usecase is each has their own page: The user has a profile and the brand has a brand page.
I\'ve got a开发者_StackOverflow社区 parent-child OO relationship. Parent obejcts has many child objects and every child object knows about it\'s parent by reference.
So I came across an interesting bit of code today and it caught my attention. I didn\'t think this was possible. The line of code was:
I have tblUsers which has a primary key of UserID. UserID is used as a foreign key in many tables.Within a table, it is used as a foreign key for multiple fields (e.g. ObserverID, RecorderID, Checker
What exactly is a Package Relationship (ZipPackage) in .NET? I know what a Package is but I\'m having trouble understanding the purpose of r开发者_开发问答elationships. Could you give examples of when
I have a HABTM relation ship be开发者_如何学Pythontween users and channels, where the user is subscribed to the channel. I want to show an \"unsubscribe link\" if the user is already subscribe to the
I have two models: User and HairColor. A user has only 开发者_C百科one hair color, but can have many hair color preferences. What\'s the best way to model this?
I was wondering if this is possible to do with a has many through contentsorgsfolders ididid namenametitle
If i have the following database table names in a HTBTM relantionship: **dressess** id **dresses开发者_开发百科s_categories**
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