Relational Database Management System Questions and Answers PDF Download eBook
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"In relational databases, the key which are considered as type of reference attribute is classified as", relational database management system Multiple Choice Questions (MCQ) with choices composite keys, foreign keys, string keys, and floating keys for computer science bachelor degree online. Learn data modeling entity relationship model questions and answers with free online certification courses for online bachelor's degree computer science.
Quiz on Relational Database Management System PDF Download eBook
MCQ: In relational databases, the key which are considered as type of reference attribute is classified as
- foreign keys
- composite keys
- string keys
- floating keys
A
MCQ: If the high level data manipulation language is used in standalone interface manner then this language is considered as
- host language
- sublanguage
- query language
- scheming language
C
MCQ: The SELECT operation is performed on
- tuples of relation
- attribute of table
- entity of DBMS
- columns of table
A
MCQ: The type of relationship in which the child table would not exist without its parent table is classified as
- identifying relationships
- non-identifying relationships
- structural relationships
- non-structural relationships
A
MCQ: In varying length character string CHAR(n), the 'n' represents
- number of rows
- number of columns
- number of characters
- maximum number of characters
D