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Exam (elaborations)

DATABASE CONCEPTS TEST EXAM 2025 QUESTIONS AND ANSWERS

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Every cell in a relation can hold only a single value - ANS True SQL stands for Structural Question Language (SQL) - ANS False By separating data into tables containing data only one theme each, making changes to the data is simplified - ANS True A relational database can be defined as a self-describing collection of related tables - ANS True A key must be unique - ANS False To represent a relationship in the relational model, the primary key of one relation is placed into a second relation - ANS True Application programs are responsible for creating, maintaining, and supporting database backup and recovery systems - ANS False To create a well-formed relation through normalization, every determinant must be a candidate key. - ANS True

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2025/2026
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  • database concepts test exam 2025 questions and ans

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DATABASE CONCEPTS TEST EXAM
2025 QUESTIONS AND ANSWERS




Every cell in a relation can hold only a single value - ANS True



SQL stands for Structural Question Language (SQL) - ANS False


By separating data into tables containing data only one theme each, making changes to the
data is simplified - ANS True


A relational database can be defined as a self-describing collection of related tables -
ANS True



A key must be unique - ANS False


To represent a relationship in the relational model, the primary key of one relation is placed
into a second relation - ANS True


Application programs are responsible for creating, maintaining, and supporting database
backup and recovery systems - ANS False


To create a well-formed relation through normalization, every determinant must be a candidate
key. - ANS True

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