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Introduction to Database Management Systems: What is a Database?

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Introduction to Database Management Systems: What is a Database?

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Questions and Answers

What is the main function of a Database Management System (DBMS)?

Summarizing data

Processing unstructured data

Generating raw data

Creating and maintaining the database (correct)

Which type of data includes numbers, text, and dates?

Processed data

Raw facts

Unstructured data

Structured data (correct)

What is the key function of a Relational DBMS like Oracle or IBM DB2?

Querying and generating reports (correct)

Inserting and deleting data

Summarizing data

Managing unstructured data

What does the term 'Information' refer to in the context of data?

Processed data Signup and view all the answers

What is the primary purpose of processing data through a Database Management System (DBMS)?

Maintaining valid and consistent data Signup and view all the answers

What is the role of a Database Management System (DBMS) in accessing the database through web applications?

Providing controlled access to the database Signup and view all the answers

Which company offers SQL-Server and Microsoft Access for the cheap DBMS on the desktop?

Microsoft Signup and view all the answers

What is the new trend in databases that involves data in means other than the tabular relations?

NOSQL databases Signup and view all the answers

Which of the following is an example of a popular NOSQL database?

Apache Cassandra Signup and view all the answers

What do applications do to interact with a database in the simplified database system environment?

Generate queries and transactions Signup and view all the answers

In the sample University Database, what do STUDENTs major in?

DEPARTMENTs Signup and view all the answers

What type of model are the above entities and relationships typically expressed in?

ER model Signup and view all the answers

What are the limitations of a File System mentioned in the text?

Data Duplication and Separated Data Signup and view all the answers

What is the main concern of an agent according to the text?

AGENT file Signup and view all the answers

What would happen if the system crashes just as Mr. Ramas is making a payment, according to the text?

Data Integrity and Consistency Problems. Signup and view all the answers

What happens when an agent changes his/her phone number, according to the text?

Possible data integrity problems. Signup and view all the answers