Maybe I misunderstood this but from what I read I may have several problems creating many to many objects relations in the data store. So I hope I am wrong. Can anyone provide me with ideas on realizi
I\'m trying to understand if it\'s right to use one table for votes for more than one argument: table_votes
Let say the data entities are: Bookshop <--->> Books How do I fetch all books belonging to a specific book shop that contain \"cloud\" in the name for example? The following method feel clun
I\'m fairly new to database management and this question never seems to be answered i开发者_高级运维n more than one sentence. All other SO answers say \"A candidate key is a minimal super key.\" That
I have modeled two classes with a many to many relationship : User and Conversation, and 开发者_Go百科I can\'t create a the link between these two classes when I use them :
I got a question about inserting an entity with dependent entities using RIA Services (With Silverlight 4.0).
I am creating database for entertainment application. In this movies开发者_JAVA技巧,video songs,mp3 songs like entities are included. In this movie & actors,actresses,music directors,male singers,
When creat开发者_高级运维ing references between ECore entities there is the possibility to mark a reference as \"containment\".
I have Customer object and Loan object. It is a one-to-many relationship (Customer <-->> Loan). Each loan has exactly 5 type of Payoff plans (exactly 5 and will not change for the next 100 years) f
Say i have an ER model _____________ |E2| |_____________| A21* A22A23* where the A21 and A23 are primary keys.
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