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Which of the following statement(s) is/are FALSE in the context of Relational DBMS ? I. Views in a database system are important because they help with access control by allowing users to see only a particular subset of the data in the database. II. E-R diagrams are useful to logically model concepts. III. An update anomaly is when it is not possible to store information unless some other, unrelated information is stored as well. IV. SQL is a procedural language.
  • a)
    I and IV only
  • b)
    III and IV only
  • c)
    I, II and III only
  • d)
    II, III and IV only
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following statement(s) is/are FALSE in the context of Rel...
  • Views in a database system are important because they help with access control by allowing users to see only a particular subset of the data in the database.Correct
  • E-R diagrams are useful to logically model concepts.Inorrect
  • An update anomaly is when it is not possible to store information unless some other, unrelated information is stored as well.Inorrect
  • SQL is a procedural language.Inorrect
So, option (D) is correct.
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Most Upvoted Answer
Which of the following statement(s) is/are FALSE in the context of Rel...
False Statements in Relational DBMS:

I. Views in a database system are important because they help with access control by allowing users to see only a particular subset of the data in the database.
- This statement is true. Views are virtual tables that present the data in a specific way, and they can be used to control access to the data.

II. E-R diagrams are useful to logically model concepts.
- This statement is true. E-R diagrams are used to model the relationships between entities in a database.

III. An update anomaly is when it is not possible to store information unless some other, unrelated information is stored as well.
- This statement is false. An update anomaly is when the same data is stored in multiple places, and inconsistencies can occur if the data is not updated in all places.

IV. SQL is a procedural language.
- This statement is false. SQL is a declarative language, meaning that the user specifies what data they want to retrieve or modify, but not how to do it.

Therefore, option D is the correct answer as it includes the false statements III and IV, as well as the true statement II.
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Which of the following statement(s) is/are FALSE in the context of Relational DBMS ? I. Views in a database system are important because they help with access control by allowing users to see only a particular subset of the data in the database. II. E-R diagrams are useful to logically model concepts. III. An update anomaly is when it is not possible to store information unless some other, unrelated information is stored as well. IV. SQL is a procedural language.a)I and IV onlyb)III and IV onlyc)I, II and III onlyd)II, III and IV onlyCorrect answer is option 'D'. Can you explain this answer?
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