Recently I\'ve been working a little with MongoDB and I have to say I really like it.However it is a completely different type of database then I am used.I\'ve noticed that it is most definitely bette
I\'m trying to learn about OLAP and data warehousing, and I\'m confused about the difference between relational and dimensional modeling. Is dimensional modeling basically relational modeling, but all
I have a relation mysql database setup. and I want to pull all the data for one item from the main row and all the relational data (ie multiple associated rows) in one query. What\'s the easiest/best
So, I\'ve been reading up on identifying vs. non-identifying relationships in my database design, and a number of the answers on SO seem contradicting to me.Here are the two questions I am looking at:
Using SQL2005/2008. Let\'s say I have a Hotel table (HotelID, HotelName) and a Room table (RoomID, HotelID, RoomName)Hotel -> Room 1:M by HotelIDRoomID is PK inside Room
I\'m looking at solutions to store a massive quantity of information consuming the less possible disk space.
I am try to add id from one table to another table to give a relationship to the tables. I am doing this on a number of tables on insert of data from a form. Example: person owns and item so item has
I have created a train schedule database in MYSQL. There are several thousand routes for each day. But with a few exceptions most of the routes are similar for every working day, but differ on weekend
I\'m trying to model a specialization/generalization, leaning towards using class table inheritance (see this answer).
I have a database containing a couple tables: files and users. This relationship is many-to-many, so I also have a table called users_files_ref which holds foreign keys to both of the above tables.