Informatics Practices
Assertion (A): Database management system is an application software which arranges data in a well-organized manner in the form of tables.
Reasoning (R): DBMS acts as an interface between the database stored in the computer memory and the user.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Relational Database
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Answer
Both A and R are true and R is the correct explanation of A.
Explanation
Database Management System (DBMS) is an application software that acts as an interface between the database stored in the computer memory and the user. It enables users to interact with the database and store data in a well-organized manner in the form of tables. The purpose of the DBMS software is to allow the user to create, access, modify, and control a database.
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Related Questions
Consider the attributes ( RollNumber, SName, SDateofBirth, GUID ) of the table Student. According to you, which of the following options is the correct representation of the table after executing the following query?
Insert Into Student (RollNumber, SName, SDateofBirth) Values(2, 'Sudha', '2002-02-28') ;1.
RollNumber SName SDateofBirth GUID 1 Atharv 2003-05-15 12354899 2 Sudha 2002-02-28 NULL 2.
RollNumber SName SDateofBirth GUID 1 Atharv 2003-05-15 12354899 2 Sudha 2002-02-28 00000000 3.
RollNumber SName SDateofBirth GUID 1 Atharv 2003-05-15 12354899 2 Sudha 2002-02-28 0 4.
RollNumber SName SDateofBirth GUID 1 Atharv 2003-05-15 12354899 2 Sudha 2002-02-28 Consider a table Student having two fields—FName varchar(20) and LName char(20). If in a record, value stored in Fname is 'Anuj' and LName is 'Batra', then FName and LName will consume …………… and …………… character space respectively.
- 4, 5
- 4, 20
- 20, 4
- 20, 20
Assertion (A): A database consists of multiple tables.
Reasoning (R): A foreign key is used to represent the relationship between two tables.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): The limitations of traditional file system are overcome by storing data in a database.
Reasoning (R): We can organize related data logically in a database.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.