🔍
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
0 like 0 dislike

1 Answer

(D) II, III and IV only
0 like 0 dislike

Related questions

Which of the following statements concerning Object-Oriented databases is FALSE? (A) Objects in an object-oriented database contain not only data but also methods for processing the data. (B ... Object-oriented databases store more types of data than relational databases and access that data faster.
Answer : (C) Object-oriented databases are more adapt at handling structures (analytical) data than relational databases....

View solution
0 like 0 dislike
1 answer

Which of the following statement(s) is/are correct with reference to curve generation? I. Hermite curves are generated using the concepts of interpolation. II. Bezier curves are generated using the concepts of approximation. III. The ... (B) II and III only (C) I and II only (D) I, II and III only
Answer : (D) I, II and III only...

View solution
0 like 0 dislike
1 answer

In a relational database model, NULL values can be used for all but which one of the following? (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL. (B) To ... D) To fill a column in a tuple when that column does not really exist for that particular tuple.
Answer : (A) To allow duplicate tuples in the table by filling the primary key column(s) with NULL....

View solution
0 like 0 dislike
1 answer
0 like 0 dislike
1 answer

Which of the following statement is not correct with reference to cron daemon in UNIX O.S? (A) The cron daemon is the standard tool for running commands on a predetermined schedule. (B) It starts ... command lines and the times at which they invoked. (D) Crontab for individual users are not stored.
Answer : (D) Crontab for individual users are not stored....

View solution
0 like 0 dislike
1 answer

50.5k questions

47.1k answers

240 comments

7.0k users