Database Systems MCQs - Chapter 4
Database Design and ER Model Trivia Questions & Answers PDF Download - 28
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Database Design and ER Model Test Questions and Answers PDF Download: MCQ 28
Translation of requirements into a conceptual schema of the database, can be achieved by applying the concepts of
- Chosen Data model
- Chosen techniques
- Chosen programming languages
- Chosen Datatypes
The type of constraint that relates to more than one lower-level entity set within a single generalization, is said to be
- System-defined
- Condition-defined
- Data-defined
- User-defined
Total generalization can be specified in an E-R diagram by adding the keyword of
- All
- Whole
- Complete
- Total
The two performance metrics i.e. throughput and response time are
- Equivalent
- Not equivalent
- Dependent
- Complex
For the formation of a unique attribute name, the role name is used instead of the name of
- Locator
- Index
- Identifier
- Entity set
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Database & MySQL MCQ with Answers
- If every functional dependency in set E is also in closure of F then this is classified as
- Type of server in two-tier architectures which provides data to client stored on disk pages is called
- Command used in high level programs to transfer record block in to main memory buffer is classified as
- Attributes which have only one value for a specific entity are called
- Application program interface in two tier architecture database management system is provided by
Database Design and ER Model MCQ Book Questions
- A second form of relational calculus, is known as
- SQL allows comparison operations on data types i.e.
- When comparing a char type with a varchar type, one may expect extra spaces to be added to
- All usual SQL statements, operate in context of schema, including
- Union operation automatically eliminates duplicates, unlike