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Online Test-Database Concepts

Aparna Dhirde 10 preguntas

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Preguntas del test (10)

1Database is called "self-describing" because it contains a description of itself.
1. AVerdadero
2. BFalso
2Database has data and relationships
1. AVerdadero
2. BFalso
3In a database, data is stored in spreadsheets which have rows and columns
1. AVerdadero
2. BFalso
4A database design may be based on existing data
1. AVerdadero
2. BFalso
5Foreign key can store duplicate values for column
1. AVerdadero
2. BFalso
6Which one of the following cannot be taken as a primary key ?
1. AId
2. BRegister number
3. CDept_id
4. DStreet
7what is the degree of the table with 1000 rows and 10 columns?
1. A10
2. B100
3. C1000
4. Dnone of the above
8How many types of keys in Database Design?
1. ACandidate key
2. BPrimary key
3. CForeign key
4. Dall of the above
9Row is synonymous with the term:
1. Arecord
2. Brelation
3. Ccolumn
4. Dfield
10The primary key is selected from the:
1. Acomposite keys
2. Bdeterminants
3. Ccandidate keys
4. Dforeign keys

Descripción: Test sobre Online Test-Database Concepts, creado por Aparna Dhirde el 18/03/2020.
Autor: Aparna Dhirde
Idioma: English
Visitas: 78
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