Database Management Chapter 3 Quiz

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What is the main characteristic of file-based data management?

Data is stored in separate files without explicit relationships

What is the main advantage of the database approach to data management?

Data sharing among different users

What does DBMS stand for?

Database Management System

What is the purpose of a relational database management system (RDMS)?

To design data in tabular form

In file-based data management, how is data stored?

In separate files without explicit relationships

What is the main disadvantage of file-based data management compared to the database approach?

Inability to avoid data redundancy

What is the purpose of tables in a database?

To store unique records and organize data into rows and columns

What does 'degree' refer to in the context of a database table?

The number of columns in the table

Which term is used to represent a single piece of information or data value stored within a record or row in a database?

Field

What do data types determine in a database?

The format of data storage that can hold distinct types or ranges of values

Which data type is used to represent whole numbers that can have positive, negative, or zero values?

Integer

What is the purpose of varchar data type in a database?

To represent text with variable length

What does each character occupy in terms of space in a computer?

1 byte

Which type of number contains decimals and fractions in a database?

Floating Point Number

What does 'array' contain in a database?

'Array' contains group of elements which can be of same data type

What is the main purpose of 'string' data type in a database?

To represent text

What is the purpose of a database table?

To organize data into rows and columns

What does the term 'degree' refer to in the context of a database table?

The number of columns in the table

What do data types determine in a database?

The range of values that can be held by the variables

What is the main characteristic of file-based data management?

Storing data directly into variables

What does the term 'array' contain in a database?

A collection of values of the same type

What is the main advantage of using a database approach to data management?

Avoiding data redundancy and isolating departmental files

What is the purpose of a database management system (DBMS)?

To enable users to access the database and manipulate data

What does the term 'data independence' refer to in the context of a database approach?

Supporting all users of the organization without the need for isolated data management

What is the main disadvantage of file-based data management compared to the database approach?

Each user or department managing its own isolated data

What is the main characteristic of a relational Data Base Management System (RDMS)?

Storing data in tabular form

Test your knowledge of file-based data management, database approach to data management, database management systems, and the advantages of database management.

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