Database Basic Concepts

information

data

knowledge

wisdom

information

data

knowledge

wisdom

wisdom

database

information system

data

wisdom

database

information system

data

accessing data and information .

processing the data as needed.

updating existing data.

all of the above.

false

true

false

true

To provide reliable units of work that allow correct recovery from failures and keep a database consistent.

To make it easier for the user using the database.

To provide isolation between programs accessing a database concurrently.

complex, recursive, and logical transactions.

simple, nested, and multi leveled transactions.

simple, moderate, and complex transactions..

Data consistency

Data concurrency

Data validation

Data verification