Why Understanding database is important?

Databases are a collection of organized information that can easily be accessed, managed and updated. Database systems are very important to your business because they communicate information related to your sales transactions, product inventory, customer profiles and marketing activities.

How do I start learning about databases?

10 Free Courses to Learn SQL and Database using Oracle, MySQL, and SQL Server

  1. Introduction to Databases and SQL Querying (Udemy best course)
  2. SQL for Data Science (Coursera Best course to Learn SQL)
  3. SQL: The Hitch Hikers Guide To Writing SQL Queries (Udemy)
  4. Oracle SQL: An Introduction to the most popular database.

What databases use SQL?

Some common relational database management systems that use SQL are: Oracle, Sybase, Microsoft SQL Server, Microsoft Access, Ingres, etc. Although most database systems use SQL, most of them also have their own additional proprietary extensions that are usually only used on their system.

What are the benefits of databases?

Database benefits

  • reduce the amount of time you spend managing data.
  • analyse data in a variety of ways.
  • promote a disciplined approach to data management.
  • turn disparate information into a valuable resource.
  • improve the quality and consistency of information.

How are databases used in everyday life?

Databases are used just about everywhere including banks, retail, websites and warehouses. Banks use databases to keep track of customer accounts, balances and deposits. Retail stores can use databases to store prices, customer information, sales information and quantity on hand.

What is SQL used for?

SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems. SQL statements are used to perform tasks such as update data on a database, or retrieve data from a database.