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Q1. __ is a classical approach to database design?
(A) Left – Right approach
(B) Right – Left approach
(C) Top – Down approach
(D) Bottom – Up approach
Answer: (C) Top – Down approach
Q2. A form defines
(A) Where data is placed on the screen
(B) The width of each field
(C) Both (a) and (b)
(D) None of the above
Answer: (C) Both (a) and (b)
Q3. A type of query that is placed within a WHERE or HAVING clause of another query is called
(A) Super query
(B) Sub query
(C) Master query
(D) Multi-query
Answer:(B) Sub query
Q4. In a relational schema, each tuple is divided into fields called
(A) Relations
(B) Domains
(C) Queries
(D) All of the above
Answer: (B) Domains
Q5. After you _ a record, many data management the environments require you to issue a command to save the changes you made.
(A) Delete
(B) Update
(C) Sort key
(D) Index
Answer: (B) Update
Q6. A database management system might consist of application programs and a software package called
(A) FORTRAN
(B) AUTOFLOW
(C) BPL
(D) TOTAL
Answer: (C) BPL
Q7. Which command is used to select distinct subject (SUB) from the table (BOOK)?
(A) SELECT ALL FROM BOOK
(B) SELECT DISTINCT SUB FROM BOOK
(C) SELECT SUB FROM BOOK
(D) None of the above
Answer: (B) SELECT DISTINCT SUB FROM BOOK
Q8. A data dictionary doesn’t provide information about:
(A) Where data is located
(B) The size of the disk storage device
(C) It allows a many-to-many relationship
(D) It is conceptually simple
Answer: (B) The size of the disk storage device
Q9. A file produced by a spreadsheet
(A) Is generally stored on disk in an ASCII text format
(B) Can be used as it by the DBMS
(C) Can be used for graphic
(D) All of the above
Answer: (A) Is generally stored on disk in an ASCII text format
Q10. Which command(s) is(are) used to redefine a column of the table in SQL?
(A) ALTER TABLE
(B) DEFINE TABLE
(C) MODIFY TABLE
(D) None of the above
Answer: (A) ALTER TABLE
Q11. When using a database management system, the first thing that you must do is to
(A) Create a database file
(B) Activate file editor
(C) Load the software into your micro-computer
(D) Keep a floppy disk in readiness
Answer: (C) Load the software into your micro-computer
Q12. One approach to standardizing storing of data
(A) MIS
(B) Structured programming
(C) CODASYL specifications
(D) All of the above
Answer: (C) CODASYL specifications
Q13. In any hierarchy of data organization, the smallest entity to be processed as a single unit is called
(A) Data field
(B) Data record
(C) Data file
(D) Database
Answer: (A) Data field
Q14. A command that lets you change one or more fields in a record is
(A) Insert
(B) Modify
(C) Look-up
(D) All of the above
Answer: (B) Modify
Q15. Batch processing is appropriate if
(A) A large computer system is available
(B) Only a small computer system is available
(C) Only a few transactions are involved
(D) None of the above
Answer:(D) None of the above
Database Management System MCQ – All Set
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