Monday, February 26, 2024

CS 06 - 30 VERY SHORT DBMS QUESTIONS - SEE COMPUTER SCIENCE 2080 - PART II

 CS 06 - 30 VERY SHORT DBMS QUESTIONS - SEE COMPUTER SCIENCE 2080 - PART II



1.    In how many ways we can create a table in Ms Access?

Design view , Datasheet view and Using wizard

2.    In how many ways we can create a form in Ms Access?

Design view and Using wizard

3.    In how many ways we can create a report in Ms Access?

Design view and Using wizard

4.    In how many ways we can create a query in Ms Access?

Design view and Using wizard

5.    List the types of query.

Select Query and Action Query

6.    List the types of action query.

Update query, delete query, make table query and append query

7.    Write any four objects of MS-Access.

Table, Form , Query and Report

8.    Write any four data types used in  MS-Access.

Text, Number, Memo, Yes/No

9.    Write any four field properties used in MS-Access.

Validation Rule, Validation Text, Caption and Input Mask

10. Write any four examples of database.

Telephone Directory, Marks Ledger, Dictionary, Attendance Register

11. Write any four examples of DBMS.

Ms-Access, Oracle, SQL and Dbase

12. Write any four examples of RDBMS.

Ms-Access, Oracle, SQL, MariaDB

13. Define database.

Database is a collection of systematically organized inter-related data which stores, organizes and retrieves data.

14. Define DBMS.

DBMS is a computerized system that stores data, processes them and provides information in an organized form.

15. Define RDBMS.

RDBMS is a type of DBMS that uses a relational model to organize and manage data, allowing users to easily retrieve and manipulate it.

16. Define MS Access.

MS-Access is a relational database management system developed by Microsoft Corporation which is used to store and manipulates large volume of data in multiple tables.

17. What is primary key?

A primary key is a field or combination of fields in a table that uniquely identifies each record, and is used to establish relationships between tables and enforce data integrity.

18. What is foreign key?

A foreign key in MS Access is a field that establishes a relationship between two tables by referencing the primary key of another table.

19. What is data sorting?

The process of arranging all the records in a table either ascending or descending order based on field or fields is known as sorting. Sorted data is easier to handle than unsorted data.

20. Define filtering.

Filtering is the process of viewing required record of a table that matches the specifies criteria.

 

 

21. What is data processing.

Data processing refers to the manipulation, organization, and analysis of data stored within the Access database.

22. What are field properties?

Field properties are settings or attributes that allow users to control various aspects of data entry, validation, formatting, and behavior within the database

23. What is table in Access?

Tables are the primary building block of database which stores and manages large volume of data into rows and column.

24. What is form in Access?

Form is one of the MS-Access database objects which provides graphical interface to view, modify and add data in a table or multiple linked tables

25. What is query in Access?

Query is an object of database that is used to view, retrieve, change and analyze records from a table or multiple linked tables based on specified condition.

26. What is report in Access?

Report is one of the MS-Access database objects used to present information in an effective and organized format that is ready for printing.

27. What is select query?

Select query is a type of query which is used to select and display the relevant data from the database.

28. What is action query?

Action query is a query that makes changes to or removes many records in just one operation

29. Why caption field property is used in MS-Access?

Caption is a field property which gives alternative name given for any field.

30. What are validation text and validation rule?

Validation Text is a field property which displays an error message that appears if the data entered is invalid according to the specified validation rule.

Validation Rule is a field property which is used to limit the values that can be entered into a field.

 

Sunday, February 25, 2024

50 VERY SHORT DBMS QUESTIONS - SEE COMPUTER SCIENCE 2080 - PART I

 50 VERY SHORT DBMS QUESTIONS - SEE COMPUTER SCIENCE 2080



1.      Which data type is suitable to store photographs of students in MS-Access? OLE Object

2.      Which data type is used to store date of birth of an employee in MS-Access? Date/Time

3.      Which data type is used in MS-Access to store address of a person? Memo

4.      Which data type is suitable to store salary of an employee in MS-Access? Currency

5.      Which data type is used to store your school fee in MS-Access? Currency

6.      Which data type is used to store lengthy text and numbers? Memo (Long Text)

7.     What is the storage size of memo and text data type in MS- Access? Memo – 65535 / 64000 Characters / Text – 255 Characters

8.     What is the default size of text field in MS-Access?

The default size of a text field is 50 characters (2003 version) and 255 characters (2007 version) in MS-Access.

9.      What is the storage size of Auto number and currency data type? Auto number – 4 Bytes / Currency 8 Bytes

10.   What is the storage size of Date/Time and OLE object data type? Date/Time – 8 bytes / OLE Object 1 GB

11.   What is the storage size of integer and long integer number data type? Integer – 2 Bytes / Long integer –4 Bytes

12.   What is the storage size of single and double number data type? Single – 4 Bytes / Double – 8 Bytes

13.   What is the storage size of yes/no field and hyperlink data type? Yes/no – 1 bit / Hyperlink – 2048 Characters

14.   What is the storage size of attachments data type. 2GB

15.   Which data type is the default type in MS Access? - Text

16.   What is the maximum length of field name in MS-Access? 64 Characters

17.   What is the maximum size of caption field properties in MS-Access? – 2048 Characters

18.   What is the default size of number field in MS-Access? – Long Integer

19.   Which field property gives alternative name for any field? Caption

20.   Is table a database? No,  A table is an object inside a database

21.   Write any three components of database? Table, record and field

22.   What is a record source for a report in MS Access? Table and Query

23.   How many ways to sort data in MS-Access? Ascending or Descending order according to text or numbers

24.   Which object is used to store the data in database? Table

25.   What is the extension of MS-Access 2007? 2003 version - .mdb , 2007 version - .accdb

26.   What is the primary building block of a database? Table

27.   What terms are used to refer to a row and a column in a table? Row – Tuple/Record, Column – Attribute/Field

28.   Which object of DBMS is used to print information? Report

29.   Which object of MS Access is used to provide graphical interface to enter data into a table? Form

30.   Which data type of MS Access is used for data that can store only one of two possible values? Yes/No

31.   Which data type displays data from another table? Lookup Wizard

32.   Which data type provides a link “address” to a document? Hyperlink

33.   Which object of MS-Access is used to retrieve data from the table? Query

34.   Which key sets relationship between tables? Primary key

35.   Which query is used to view the data stored in database? Select query

36.   Which view is used to modify a table structure in MS-Access? Design view

37.   Which query is used to make changes in data stored in database? Action query

38.   Which query is used to modify and calculate data in DBMS? Update query

39.   Which view is used to modify a record in MS-Access? Datasheet view

40.   Which data type is also known as logical data type in MS-Access? Yes/No

41.   What is the purpose of a query in a database? To ask question to the database.

42.   Which data type is used to store alpha numeric characters or special symbols in MS-Access? Text

43.   Which field property speeds up searching and sorting of records based on a field? Indexed Field Property

44.   Write two examples of primary key fields.  SEE Registration Number,  National Identity Number

45.   What happens while we enter text in number data type? It display error message.

46.   What is relationship? An association or connection between two tables based on a common field or fields.

47.   Which field property controls the value of a record and sets in a specific format? Input Mask

48.   Which field property is used to specify whether a value is required in a field or not? Required

49.   Which field property displays value automatically for a field when new record is added to a table? Default Value

50.   List out the data type used for the following data in MS Access

Student' Name, Students' Roll Number, Address, Fee paid

Student' Name - Text

Students' Roll Number – Auto number

Address - Memo

Fee paid - Currency