what is meta data?
Small amount of data
Data about data
Redundant data
Collection of data
Which of the following feature provides the ability to modify a schema definition at one level without affecting the schema definition at the next higher level?
Data Abstraction
Data manipulation
Data independency
Data structure
Which of the following is the collection of related fields?
Field
Record
File
Data
What is a primary goal of a DBMS?
Provide an environment to store and retrieve database information
It can handle many files of information at a time
Database management system helps in making decision
Utilize a database for data processing activities
Which database language enables users to access or manipulate data organized by the appropriate data model?
DML
DDL
Query language
Data base
What is the main purpose of DML language?
Define Schema
Define internal level
Access data
All of these
Which of the following is used for storing DDL Statement or database schema?
Data Dictionary
Tables
Both a and b
None of these
Which of the following is referred as rows of a relation in RDBMS?
Domain
Relation
Tuple
Attributes
Which of the following is a valuable tool used for manipulating computerized information?
Data Base
DBMS
Data management
Data Independency
Which of the following is correct about cardinality?
Number of rows or tuples in a relation
Columns of a relation
Rows of a relation
Attributes of a relation
