What is normalization in the context of DBMS?

Normalization is the process of organizing data to reduce redundancy and improve data integrity.

Normalization is a method for increasing the speed of data retrieval.

Normalization refers to the encryption of data in the database.

Normalization is the process of backing up data to prevent loss.

What is the purpose of a primary key in a DBMS?

To uniquely identify each record in a database table.

To encrypt sensitive data in the database.

To store large amounts of data.

To improve the speed of data retrieval.

What is a foreign key in the context of DBMS?

A foreign key is a field in one table that uniquely identifies a row of another table.

A foreign key is a type of database backup.

A foreign key is used to store images in a database.

A foreign key is a method of data compression.

What is a report in DBMS?

A report in DBMS is a formatted presentation of data extracted from the database.

A report in DBMS is a method for deleting data from the database.

A report in DBMS is a type of database query.

A report in DBMS is a backup of the database.

What is a form in DBMS?

A form in DBMS is a user interface for data entry, data display and data manipulation.

A form in DBMS is a programming language for database management.

A form in DBMS is a method for data encryption.

A form in DBMS is a type of database.

Give any two benefits of creating relationships between tables in a database.

1. Maintains data integrity. 2. Reduces data redundancy.

Enhances user interface design.

Define query in DBMS.

A query is a request for data or information from a database.

A query is a method for deleting data from a database.

A query is a programming language used for database operations.

A query is a type of database management system.

Define numeric data type?

Numeric data type refers to data types that represent numbers, allowing for arithmetic operations.

Numeric data type only includes whole numbers.

Numeric data type is used exclusively for text data.

Numeric data type cannot perform any calculations.

How is foreign key different from primary key?

A primary key uniquely identifies records, while a foreign key links records between tables.

A primary key can be null, while a foreign key must always be unique.

A primary key is used for indexing, while a foreign key is used for data validation.

A primary key can link records between tables, while a foreign key uniquely identifies records.

What is candidate key?

A candidate key is a a unique identifier for a record in a table that can be chosen as the primary key.

A candidate key is a primary key that allows duplicate values in a database table.

A candidate key is any attribute that can be used to identify a record, regardless of uniqueness.

A candidate key is a type of foreign key that links two tables.

What is an alternate key?

An alternate key is a unique identifier for a record that is not the primary key.

An alternate key is a non-unique identifier for a record.

An alternate key is a synonym for the primary key.

An alternate key is a foreign key that links to another table.

What is a composite key?

A composite key is a unique identifier made up of two or more columns in a database.

A composite key is a method for encrypting data in a database.

A composite key is a type of foreign key in a database.

A composite key is a single column used to identify records.

A database is an organized collection of structured data (rows and columns) stored electronically.

A database is a physical location where data is kept.

A database is a collection of random files stored on a computer.

A database is a type of software used for web browsing.

an example of many to many relationship in DBMS

Students and Courses in a school database.

Employees and Departments in a company database.

Books and Authors in a library database.

Teachers and Subjects in a school database.

an example of one to many or many to one relationship in DBMS

One-to-many: Customer to Orders; Many-to-one: Orders to Customer.

One-to-zero: Employee to Projects

Many-to-many: Products to Categories

One-to-one: Customer to Address

An example of one to one relationship in DBMS.

Person and Driver's License tables

a combination of hardware and software.

Definitions in DBMS

Authored by Lhun Dra

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10th Grade

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Define DBMS.

A DBMS is software that manages databases, allowing for data storage, retrieval, and manipulation.

A DBMS is a cloud service for hosting websites.

A DBMS is a programming language for creating applications.

A DBMS is a type of hardware used for data storage.

OPEN ENDED QUESTION

3 mins • 1 pt

Define DBMS.

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MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is data integrity in DBMS?

Data integrity ensures that data is stored in multiple formats.

Data integrity in DBMS is the accuracy and consistency of data stored in the database.

Data integrity is the process of backing up data regularly.

Data integrity refers to the speed of data retrieval in a database.

OPEN ENDED QUESTION

3 mins • 1 pt

What is data integrity in DBMS?

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Two advantages of DBMS.

Data Redundancy

1. Data Integrity, 2. Data Security

Data Loss

Data Inconsistency

OPEN ENDED QUESTION

3 mins • 1 pt

Two advantages of DBMS.

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What is Data Security in DBMS?

Data Security in DBMS is the protection of data from unauthorized access and breaches.

Data Security in DBMS is about improving database performance.

Data Security in DBMS refers to data storage techniques.

Data Security in DBMS is the process of data analysis.

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Definitions in DBMS

Define DBMS.

Define DBMS.

What is data integrity in DBMS?

What is data integrity in DBMS?

Two advantages of DBMS.

Two advantages of DBMS.

What is Data Security in DBMS?

What is data security in DBMS?

What is normalization in the context of DBMS?

What is normalization in the context of DBMS?

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