DB

Noun

defensive back (plural defensive backs)

1. (Canadian) Collective term for the defensive players who are in position farthest from the ball at the start of a play and whose principal responsibility is to defend against passes. Includes cornerbacks and safeties in both codes, and defensive halfbacks in the Canadian game.

Noun

database (plural databases)

1. (broadly) A collection of (usually) organized information in a regular structure, usually but not necessarily in a machine-readable format accessible by a computer.
   • I have a database of all my contacts in my personal organizer.

   Synonyms:

   data set, dataset, databank

2. A set of tables and other objects (queries, reports, forms) in the form of a structured data set.
   • The "books" database will have three tables, and the "customers" database will have two tables.
3. (broadly, metonymically) A software program (application) for storing, retrieving and manipulating such a structured data set.
   • Which database do you use: MySQL or Oracle?
4. (broadly, metonymically) A combination of such data sets and the programs for using them.

See all 5 meanings of database