AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

Relational model

PT 2520 Unit 1

Subject: 
Algebra
Rating: 
0
No votes yet
Tags: 
Data management
Information
Data
Relational database management systems
Data modeling
Database theory
Database management systems
Relational model
Relational database
Table
SQL
Database
Technology

PT 2520 Unit 1 Homework Clarence Gross 12/22/12 At its simplest, a database can be seen as a collection of related data. True A delimited file is a file where the length of the file is limited. False A delimited file is one in which the data is separated by a character such as a comma. True All fixed length files are of the same length. True In relational database, logic design is kept separate from physical design. True A hierarchical database is designed with a tree-like structure that resembles a file system. True Codd defined the core principles of a relational database in 1970 True Data redundancy improves the integrity of a database. False In a diagram, crows feet notation conveys more information about the relationships. True
Subscribe to RSS - Relational model

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!