File Maintenance Procedures Quiz

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What is a database?

A collection of unorganized data
A collection of information without any structure
A collection of random files
A collection of data organized for easy access and retrieval (correct)

How are data and information related?

Data and information have no connection
Data is processed into information by computers (correct)
Data and information are completely unrelated
Information is always incorrect data

What is data integrity?

The process of organizing data
The correctness of data (correct)
The process of creating data from information
The degree to which data is incorrect

What are the qualities of valuable information?

Accurate, verifiable, timely, organized (D) Signup and view all the answers

What is a hierarchy in the context of data?

A system where files contain records that contain fields (A) Signup and view all the answers

What is a field in the context of data management?

A part of a record that holds a specific piece of information (A) Signup and view all the answers

What does the field size define in a database?

The maximum number of characters a field can contain (A) Signup and view all the answers

Which data type is used for storing month, day, year, and sometimes time information?

Date (A) Signup and view all the answers

What is the purpose of a primary key in a database record?

To uniquely identify each record (B) Signup and view all the answers

Which data type is used for storing only the values Yes or No?

Yes/No (A) Signup and view all the answers

What is the smallest unit of data a user accesses in a database?

Field (D) Signup and view all the answers

Which data type is used for storing Web addresses that link to documents or web pages?

Hyperlink (D) Signup and view all the answers

What is file maintenance?

Adding new records to a database (A) Signup and view all the answers

Why do you change records according to the text?

To correct inaccurate data or update old data (D) Signup and view all the answers

What is validation in the context of data management?

Applying rules to identify incorrect data (B) Signup and view all the answers

What does a Completeness Check do?

Ensures that a required field contains data (B) Signup and view all the answers

Why are Check Digits used in databases?

To verify the correctness of primary key values (D) Signup and view all the answers

What is the purpose of Range Check in data management?

Ensuring numbers are within specified limits (D) Signup and view all the answers

What is the main responsibility of a database analyst?

Deciding proper placement of fields (B) Signup and view all the answers

Which of the following is NOT a recommended practice for designing records and fields in a database?

Creating fields for information derived from entries in other fields (C) Signup and view all the answers

What is a key responsibility of a database administrator?

Monitoring database performance (B) Signup and view all the answers

Which field should be used to uniquely identify each record in a table?

Primary key (D) Signup and view all the answers

What should database administrators manage to ensure database security?

Access privileges (C) Signup and view all the answers

What is a query?

Request for specific data from a database (D) Signup and view all the answers

What is the purpose of a form in a database system?

To provide areas for entering or changing data (A) Signup and view all the answers

What does a report generator do?

Designs a report on screen, retrieves data, and displays or prints reports (B) Signup and view all the answers

What is data security in a database system?

A means to ensure only authorized users can access data (A) Signup and view all the answers

Which activity can a user with read-only privileges perform in a DBMS?

View data but cannot change it (C) Signup and view all the answers

What is the purpose of backup and log in database management?

To safeguard against data loss by creating copies of data (D) Signup and view all the answers