KB Cambodia
Which step does not belong to 2NF?
Which step does not belong to 2NF? A. Remove partial dependency B. Connect from a primary key to a foreign key C. Remove repeating group D. All correct Answer: Option C
KB Cambodia
Which step belongs to 2NF?
Which step belongs to 2NF? A. Remove duplicated row B. Remove repeating group C. Remove partial dependency D. All correct Answer: Option C
Which step is consisted in 1NF?
Which step is consisted in 1NF? A. Set a primary key B. Remove partial dependency C. Add a relationship to the tables D. None correct Answer: Option A
1NF contains a correct answer below?
1NF contains a correct answer below? A. Remove partial dependency B. Remove transitive dependency C. Remove repeating group D. All correct Answer: Option C
Which step is wrong for 1NF?
Which step is wrong for 1NF? A. Remove partial dependency B. Each row must be unique C. Remove repeating group D. None correct Answer: Option A
Which step does not belong to 1NF?
Which step does not belong to 1NF? A. Each attribute name must be unique B. Each attribute value must be single C. Add a relationship to the tables D. All correct Answer: Option C
What is the biggest problem is database?
What is the biggest problem is database? A. Redundant data B. Wrong attribute name C. Missing data D. All correct Answer: Option A
In DB, Which problem is so critical that it can affect the whole UI?
In DB, Which problem is so critical that it can affect the whole UI? A. Missing data B. Missing attributes C. Wrong relationship cardinality D. All correct Answer: Option C
In Chen’s ERD, what “ellipse” symbol represents?
In Chen’s ERD, what “ellipse” symbol represents? A. Attribute B. Entity C. Relationship D. None correct Answer: Option A
In Chen’s ERD, what “double-line rectangle” symbol represents?
In Chen’s ERD, what “double-line rectangle” symbol represents? A. Strong Entity B. Weak Entity C. Relationship D. None correct Answer: Option B