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Q1. The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in
(A) A tree file
(B) An indexed file
(C) A hashed file
(D) A sequential file
Answer: (C) A hashed file
Q2. Primitive operations common to all record management systems include
(A) Print
(B) Sort
(C) Look-up
(D) None of the above
Answer: (C) Look-up
Q3. Which of the following is correct regarding Aggregate functions?
(A) It takes a list of values and returns a single values as result
(B) It takes a list of values and returns a list of values as result
(C) It takes a single value and returns a list of values as result
(D) It takes a single value and returns a single value as result
Answer: (A) It takes a list of values and returns a single values as result
Q4. A _ Contains fields of data about one entity.
(A) Record
(B) File
(C) Fields
(D) Document
Answer: (A) Record
Q5. The _ command is used to allocates an extent for the table in SQL
(A) MODIFY ALLOCATES
(B) MODIFY TABLE
(C) ALTER TABLE
(D) REDEFINE TABLE
Answer: (A) MODIFY ALLOCATES
Q6. In order to use a DBMS, it is important to understand
(A) The physical schema
(B) All sub-schemas that the system supports
(C) One subschema
(D) Both (a) and (b)
Answer: (C) One subschema
Q7. The on-line, softcopy display a customer’s charge account to respond to an inquiry is an examples of a
(A) Forecasting report
(B) Exception report
(C) Regularly scheduled report
(D) On demand report
Answer: (D) On demand report
Q8. What are ACID properties of Transactions?
(A) Atomicity, Consistency, Isolation, Database
(B) Atomicity, Consistency, Isolation, Durability
(C) Atomicity, Consistency, Inconsistent, Durability
(D) Automatically, Concurrency, Isolation, Durability
Answer: (B) Atomicity, Consistency, Isolation, Durability
Q9. In SQL, the ALTER TABLESPACE command is used
(A) To add/rename data files
(B) To change storage characteristics
(C) To take a table space online/offline
(D) All of the above
Answer: (D) All of the above
Q10. The designer of a form includes
(A) Filed designators
(B) Prompts
(C) Data
(D) Both (a) and (b)
Answer: (D) Both (a) and (b)
Q11. An operation that will increase the length of a list is
(A) Insert
(B) Look-up
(C) Modify
(D) None of the above
Answer: (A) Insert
Q12. Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?
(A) Report writer
(B) Query language
(C) Data manipulation language
(D) Transaction log
Answer:(D) Transaction log
Q13. Which of the following option is use to retrieval of data?
(A) Stack
(B) Data Structure
(C) Linked list
(D) Query
Answer: (D) Query
Q14. In SQL, which command(s) is(are) used to recompile a stored function?
(A) SET FUNCTION
(B) SET STORED FUNCTION
(C) ALTER FUNCTION
(D) All of the above
Answer:C) ALTER FUNCTION
Q15. An-owner-member set in the CODASYL specifications may have
(A) Only one owner but many owner occurrences
(B) Only one member but many member occurrence
(C) More than one member but only one occurrence per member
(D) All of the above
Answer: (A) Only one owner but many owner occurrences
Database Management System MCQ – All Set
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