I have looked for information on how to implement the following association in hibernate and although the hibernate manual is very thorough, I haven\'t found the following use case addressed.
I\'m building a calendar system from the ground up (requirement, as I\'m working with a special type of calendar alongside Gregorian) , and I need some help with logic. I\'m writing the application in
I have to do an application that will check the changes of 35 item开发者_开发知识库s each second. Each item have 3 values that will fit into 5 bytes each one, so 15 bytes for item. Values will not cha
I have a table Orders. Each order can have the same product multiple times. Quantity is not enough as each product may have different preferences!
I\'m using a InnoDB engine in MySql and I\'m trying to figure out if it is possible to know the datetime of the last time a table was modified (be it it\'s data or it\'s structure).
Can anyone explain how to implement one-to-one, one-to-ma开发者_运维问答ny and many-to-many relationships while designing tables with some examples?One-to-one: Use a foreign key to the referenced tabl
There are 3 cases 1) Basic Sender ---> Receiver 2) Parallel Sender ----> Receiver1 ----> ReceiverN
If I wanna provide a free guestbook service via php+mysql,I have two choices, store all message in one database
Let\'s say i have a common base class/interface interface ICommand { void Execute(); } Then there are a few commands inheriting from thi开发者_如何转开发s interface.
Not worded my question very well, but with these tables: USER TABLEANIMALS u_idusernamea_idanimal -----------------------------------------------------
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