Podcast
Questions and Answers
Which informal measure of quality for relation schema design focuses on the possibility of generating spurious tuples?
Which informal measure of quality for relation schema design focuses on the possibility of generating spurious tuples?
- Semantics of the relation attributes
- Null values in tuples
- The possibility of generating spurious tuples (correct)
- Redundant values in tuples and update anomalies
What is the focus of First Normal Form (1NF) in relational database design?
What is the focus of First Normal Form (1NF) in relational database design?
- Eliminating redundant values in tuples and update anomalies
- Preventing the generation of spurious tuples
- Minimizing null values in tuples
- Ensuring each attribute contains atomic values (correct)
Which concept addresses the issue of redundant values in tuples and update anomalies?
Which concept addresses the issue of redundant values in tuples and update anomalies?
- Normalization (correct)
- Second Normal Form (2NF)
- Functional dependences
- Boyce-Codd Normal Form (BCNF)
What is the main focus of Boyce-Codd Normal Form (BCNF) in relational database design?
What is the main focus of Boyce-Codd Normal Form (BCNF) in relational database design?
Which concept deals with the definitions, inference rules, and closure of attribute sets in relational databases?
Which concept deals with the definitions, inference rules, and closure of attribute sets in relational databases?
What is the primary objective of Third Normal Form (3NF) in relational database design?
What is the primary objective of Third Normal Form (3NF) in relational database design?
According to the guideline, how should entity sets and relationship sets be mapped to relation schemas?
According to the guideline, how should entity sets and relationship sets be mapped to relation schemas?
Why is the 'EMP_DEPT' relation considered poor design?
Why is the 'EMP_DEPT' relation considered poor design?
What is the primary reason for data redundancy issues in the 'EMP_DEPT' relation?
What is the primary reason for data redundancy issues in the 'EMP_DEPT' relation?
What is the difficulty associated with inserting a new department that has no employees yet in the 'EMP_DEPT' relation?
What is the difficulty associated with inserting a new department that has no employees yet in the 'EMP_DEPT' relation?
What does a deletion anomaly in the 'EMP_DEPT' relation result in?
What does a deletion anomaly in the 'EMP_DEPT' relation result in?
What is the main problem caused by an insertion anomaly in the 'EMP_DEPT' relation?
What is the main problem caused by an insertion anomaly in the 'EMP_DEPT' relation?
How does the 'EMP_DEPT' relation violate the guideline for designing relation schemas?
How does the 'EMP_DEPT' relation violate the guideline for designing relation schemas?
What is the disadvantage of having repeated attribute values for every employee who works for the same department in the 'EMP_DEPT' relation?
What is the disadvantage of having repeated attribute values for every employee who works for the same department in the 'EMP_DEPT' relation?
How does updating the department name of a particular department lead to modification (update) anomalies?
How does updating the department name of a particular department lead to modification (update) anomalies?
'Data redundancy' refers to which of the following?
'Data redundancy' refers to which of the following?
What is the primary issue that results from having attributes like DNumber, DName, and DMGRSSN repeated for every employee who works for the same department?
What is the primary issue that results from having attributes like DNumber, DName, and DMGRSSN repeated for every employee who works for the same department?
What is the first phase in the Iterative Process of Design?
What is the first phase in the Iterative Process of Design?
Which phase involves creating a design that solves the problem or fits the opportunity?
Which phase involves creating a design that solves the problem or fits the opportunity?
According to Chris Swain, what percentage of game design is inspiration and iteration?
According to Chris Swain, what percentage of game design is inspiration and iteration?
What is the main focus of the Testing phase in the Iterative Process of Design?
What is the main focus of the Testing phase in the Iterative Process of Design?
Which phase involves modifying the design based on game testing results and then implementing and testing again?
Which phase involves modifying the design based on game testing results and then implementing and testing again?
What is considered critically important in the Iterative Process of Design?
What is considered critically important in the Iterative Process of Design?
What is the most important resource in game design?
What is the most important resource in game design?
What should designers focus on to get the game up and running ASAP?
What should designers focus on to get the game up and running ASAP?
What is a significant element of the iterative design process?
What is a significant element of the iterative design process?
What is important for maintaining creativity in game design?
What is important for maintaining creativity in game design?
What is the goal of implementation in game design?
What is the goal of implementation in game design?
What can be used for GUI testing instead of a digital prototype?
What can be used for GUI testing instead of a digital prototype?
In what phase are mechanics considered the most important element?
In what phase are mechanics considered the most important element?
What should designers focus on during the iterative process of design?
What should designers focus on during the iterative process of design?
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