QUESTION 10 Which of the following terms describes the set of items that, if completed, would signal the completion of a user st O Sprint Retrospective O Velocity O Story Points O Acceptance Criteria QUESTION 11 Which of the following is NOT an integrity constraint implemented in a database? O Data uniqueness constraint - A primary key field (or set of fields) uniquely identifies a record O Concurrency constraint - The database can not be read by multiple users at the same time. O Data type constraint - The data type for a cell must match the designers choice of data type. Ex: City should b QUESTION 12 Given relation R(D, E, F, G, H) and FDs: • D-> E • E-> F • E-> G a candidate key true or false?

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A: Answer: The correct option is “(b) an entity’s unique identifier”

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A: In a database, the foreign key is used to ...... uniquely identify a record.

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A: Actually, database is a used to stores the data.

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A: Given:

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A: Here is the solution which is  mentioned below:

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A: Option (d) is correct option.

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A: index used in database column has great usability

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A: DB design and is expected to change frequently is, DDL command

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A: Solution :

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A: Answer D) None of the above

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A: This is the screenshot of script:

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A: Relational database organizes information in structured approach using tables, views etc.

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