Informatics Practices
What is a database?
- Organized collection of information that cannot be accessed, updated and managed
- Collection of data or information without organizing
- Organized collection of data or information that can be accessed, updated and managed
- Organized collection of data that cannot be updated
Relational Database
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Answer
Organized collection of data or information that can be accessed, updated and managed
Reason — Database is an organized collection of interrelated data or information that can be accessed, updated and managed.
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Related Questions
The number of attributes in a relation determines the …………… of a relation.
- Degree
- Tuples
- Attributes
- Cardinality
The rows of the relations are generally referred to as …………… .
- Degree
- Tuples
- Attributes
- Cardinality
…………… is a set of one or more attributes that can uniquely identify tuples within the relation.
- Primary Key
- Cardinality
- Attributes
- Foreign Key
A candidate key that is not the primary key is called a/an …………… .
- Primary Key
- Alternate Key
- Candidate Key
- Foreign Key