Created from Youtube video: https://www.youtube.com/watch?v=dbJMCmtLZucvideoConcepts covered:tables, primary key, SQL, data manipulation, reports
A relational database is composed of tables containing rows and columns, where each row has unique data identified by a primary key. It allows users to manipulate and query data using SQL, providing benefits such as accuracy, flexibility, and security for generating specific reports.
chapter
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What is a Relational Database? What is a Relational Database Used For?
Concepts covered:tables, primary key, SQL, data manipulation, reports
A relational database is composed of tables containing rows and columns, where each row has unique data identified by a primary key. It allows users to manipulate and query data using SQL, providing benefits such as accuracy, flexibility, and security for generating specific reports.
Question 1
Each table in a relational database has a primary key.
Question 2
What is SQL used for?
Question 3
How can data be categorized in databases?
Question 4
CASE STUDY: A healthcare organization uses a relational database to manage patient information. The database includes tables for patients, appointments, and treatments. A doctor needs a report on patients scheduled for appointments next week.
All of the following are benefits of relational databases except:
Question 5
CASE STUDY: A financial institution uses a relational database to manage account transactions. The database includes tables for accounts, transactions, and customers. A financial analyst needs a report on transactions exceeding a certain amount.
Select three correct benefits of relational databases:
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