(i) Enhances data integrity by providing support which ensures that the data remains accurate in the database throughout.
(ii) It acts as a go-between the database and the application accessing it for the users, in order to facilitate communication.
(iii) It enforces security constraints through authorization of access such as the use of passwords and access privileges.
(iv) It ensures that the database is able to recover from any hardware and software failure which might cause damage.
(v) It allows several users to have access to a common data stored in the database concurrently.
(vi) It facilitates ease of access to up-to-date data for retrieval and manipulation of records.
(vii) It acts as repository of data about data (meta data), that is, a system catalogue or data dictionary which stores structures of data, relationships, integrity constraints.
(viii) To enable users to create, read-form, update and to delete data from the data database.
maurice.mutuku answered the question on April 11, 2018 at 06:39
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