I\'m new to Hibernate and DBs in general, so pardon the elementary question. I am working with the DIS protocol and specifically the Open-DIS implementation of DIS.In DIS, each EntityStatePdu (contai
It\'s far from the ideal situation, but I need to fix a database by appending the number \"1\" to the PK Identiy column which has FK relations to four other tables. I\'m basically making a four digit
I\'m using a relational DB for items, and i开发者_Python百科ndex them with Solr for getting the fast full-text search that Solr provides. But in the same time, I need the user to be able to filter by
Today my question is how would I go about creating a view in a MySQL database that uses more than two tables?
In the following database design, how do I mark an unread message, so we know who read the message either the sender and recipient?
I haven\'t designed a database in a while and I don\'t have a lot of confidence in my design right now.I basically have three tables in a database that represent a history of sorts.I have to change th
Still working on a web application as a school project, and it just seems to keep expanding. I have to add a layer for teachers so they can manage and coach students through the application. So, I ha
Following is my database with 4 tables(Student, Course, Module, Instructor). And I wan to know whether this database is correct or not and if I am doing right how can I retrieve data from tables using
I\'m trying to store the data in a binary space partitioning tree in a relational database.The tricky part about this data structure is it has two different types of nodes.The first type, which we cal
I have i table users (id,name) and operations (id,date,id_user,id_target_user) if i didn\'t have the id_target_user column I\'ll just make on relation
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