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Why a primary key should contain only one attribute?
Why a primary key should contain only one attribute? A. Easy for Indexing and connecting to a foreign key B. Easy for documentation C. Increase security D. None correct Answer: Option A
Category: Advanced System Analysis and Design
Why they say a composite attribute is not good for a database?
Why they say a composite attribute is not good for a database? A. Difficult to do a documentation B. Not good for security C. Difficult to do search, sort and format D. All correct Answer: Option D
If you develop a desktop app, which methodology is wrong for that?
If you develop a desktop app, which methodology is wrong for that? A. Waterfall B. Rapid App Development C. Agile D. All correct Answer: Option A
Which project is suitable for Agile model?
Which project is suitable for Agile model? A. Hardware software B. Embedded Firmware C. Fast changing app D. All correct Answer: Option C
What skill is mostly likely to get the benefit from this subject?
What skill is mostly likely to get the benefit from this subject? A. 3D Graphics B. Web Programming C. CCNA D. All correct Answer: Option B
If having a primary key of {A} but C depends on B, which normalization needs to use?
If having a primary key of {A} but C depends on B, which normalization needs to use? A. 1NF B. 2NF C. 3NF D. None correct Answer: Option C
If having a composite key of {A, B} but C depends on D, which normalization needs to use?
If having a composite key of {A, B} but C depends on D, which normalization needs to use? A. 1NF B. 2NF C. 3NF D. None correct Answer: Option C
If having a composite key of {A, B} but C depends on B, which normalization needs to use?
If having a composite key of {A, B} but C depends on B, which normalization needs to use? A. 1NF B. 2NF C. 3NF D. None correct Answer: Option C
If having a composite key of {A, B} but C depends on A, which normalization needs to use?
If having a composite key of {A, B} but C depends on A, which normalization needs to use? A. 1NF B. 2NF C. 3NF D. None correct Answer: Option B
Which normalization that does not set a foreign key?
Which normalization that does not set a foreign key? A. 1NF B. 2NF C. 3NF D. None correct Answer: Option B