ISOM - Q4

1. It refer to the technology solution used to optimize and manage the storage and retrieval of data from databases.

• Database Management Systems

• Database Managerial Systems

• Database Management Systems

• Data Management Systems

2. It is a system software designed to organize, control and used the data needed by application programs.

• SBMS

• DBMS

• Control DB

• DBSM

3. (Choose all that apply)

The primary functions of DBMS are;

• Reduced data redundancy

• Decreased access time

• Basic Security

• Stored DB data

4. It is a field that defines data that is organized into basic data elements.

• data dictionary

• DBMS

• Data field

• Primary key

5. (TRUE or FALSE)

A DBMS cannot control user access at many levels.

• TRUE

• FALSE

6. It is defined as the objects that create the DBMS.

• metadate

• matedata

• metadata

• objects

(choose all that apply)

7. Metadata is a set of data that describes and gives information about other data like;

• Data elements

• Physical data

• Files

• Data relationship

• Queries

(Choose all that apply)

8. What are the three types of metadata?

• External Schema

• Conceptual Schema

• Internal Schema

• Virtual Schema

• Data Schema

9. (True or False)

A data directory system defines and stores sources and object forms of all data definitions for all schema types.

• True

• False

10 . It is a model of parent/child data segments. An example of this is LDAP.

• Structured DB

• Relational DB

• Network DB

• Hierarchical DB model