relational database in accordance with a series of so- called normal forms in order to reduce data redundancy and improve data integrity. It was first proposed by Edgar F. Codd as an integral …

• A database is a persistent, logically coherent collection of inherently meaningful data, relevant to some aspects of the real world. The portion of the real world relevant to the database is …

Sep 10, 2010 · What is a database? A database is a collection of structured data. A database captures an abstract representation of the domain of an application. This class is about …

Many manuals in the Oracle Database documentation set use the sample schemas of the database that is installed by default when you install Oracle Database. Refer to Oracle …

Transaction: An Execution of a DB Program Key concept is transaction, which is an atomic sequence of database actions (reads/writes). Each transaction, executed completely, must …

Where does the relational data model fit? Maintains the files of the client machines.

“I tried to use databases in my project, but they were just too [slow | hard-to-use | expensive | complex] . So I use files”. How would you design a relational schema for this?