+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Data is?
|
Raw material, from which you can draw conclusions
|
|
A database is a?
|
A centralized and structured set of data stored on a computer system.
|
|
A database is usually managed by a?
|
Database Administrator (DBA).
|
|
Inside the database, data is stored in a?
|
A “raw” form.
|
|
When this raw data is queried or retrieved, it is transformed into?
|
Into more useful output or information.
|
|
E.F. Codd proposes the relational model for?
|
Databases,
disconnecting the logical organization from the physical storage. |
|
SQL (structured query language) becomes "intergalactic standard. in ?
|
1980
|
|
Data modeling is the?
|
First part of the database development process.
|
|
An entity relationship model should accurately model the?
|
Organization’s information needs and support the functions of the business.
|
|
In database design, the information requirements reflected in the entity relationship model are mapped into?
|
A relational database design using a table instance chart
|
|
A table instance chart has the following components:
|
Table name, Column names, Keys, Nulls, Unique, Datatype
|
|
Datatype refers to?
|
He format and definition of the data in each column
|
|
Structured Query Language (SQL) is used to create?
|
Create and manipulate relational databases.
|
|
Hardware:
|
The physical “bits and pieces” of a computer
|
|
Software:
|
Programs (sets of instructions) which tell the hardware what to do.
|
