Which of the following is database language?
DML
DDL
Query Language
All of the above
Which constraint uniquely identifies each record in a database table?
Foreign key
Super key
Candidate key
Primary key
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 have the information about data?
Data
Metadata
Entity
Relations
Which of the following is not level of data abstraction?
Physical level
Logical level
Critical level
View level
Which of the following is not a data model?
Conceptual model
Hierarchical model
Network model
Relational model
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 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 correct about cardinality?
Number of rows or tuples in a relation
Columns of a relation
Rows of a relation
Attributes of a relation
Which of the following include schema definition?
DCL
DQL
