Updated: Jun 9, 2022
Have you ever wondered how social media apps like Facebook and Twitter can continuously share images and posts, update information, and display content to millions of users at once? Millions of people's personal information are stored in social media apps, which requires the regular updating of databases.
Data is gold in today's digital world. The internet is full of databases that contain vast amounts of data about everything around us, and these databases aid marketers and advertisers in effectively marketing their products and growing their businesses. Databases are an essential aspect of business operations, and every technology-based company requires a reliable database and database management system.
To interact with these databases, we need SQL.
SQL (Structured Query Language) is a robust programming language for searching through large amounts of data and extracting specific information. SQL is a powerful language that is widely used in many industries. SQL is required for professions such as data analyst, data engineer, and data scientist, as well as other fields such as web development and marketing.
What is Data?
Data, in its most basic form, refers to facts about any item. For example, a person's name, age, height, and weight are all data on that person. Data can also be a picture, an image, a file, or a pdf.
What is Database?
Databases are used for a variety of purposes all around us. Apps like Facebook and Twitter save, alter, and present data about members, their friends, member activity, messages, ads, and much more. A database is a collection of data that has been organized systematically. They allow for electronic data storage and manipulation. We can give you a thousand examples of how databases can be used. An online telephone directory keeps track of persons, phone numbers, and other contact information in a database. Governments use databases to learn about the people in their country for a variety of goals, including population counts, employment creation, maintaining peace, and campaigning for elections. Data handling is simplified thanks to databases.
What is SQL?
SQL is a computer language for retrieving and managing data in relational databases. SQL allows you to access several records with a single command. Inserting, searching, updating, and deleting database records are all possible with SQL. SQL can perform a wide range of tasks, including database optimization and maintenance.
During the 1970s, IBM created SQL, which was originally known as SEQUEL (Structured English Query Language), to access data stored in IBM's original database management system. Since "SEQUEL" was a trademark of another corporation in the United Kingdom, the name was later changed to SQL. After proving the usefulness and feasibility of SQL at customer test sites, IBM made it commercially available in 1979. Following then, several versions of the standard were released, the most recent of which was released in 2016.
SQL is the standard database language used by all Relational Database Management Systems (RDMS) such as MySQL, MS Access, Oracle, Sybase, Informix, Postgres, and SQL Server.
What can SQL do?
SQL is one of the most extensively used database query languages. SQL can run queries against a database, retrieve data, insert, update, and delete entries. SQL can create new tables, stored procedures, and views.
Applications of SQL in business
SQL is a query-based language that is both powerful and simple, allowing you to easily manage databases. As SQL is open-source and has a strong community behind it, making it a budget-friendly option. SQL operates by reading and presenting data stored in a database's columns and tables. It's extremely user-friendly, scalable, and accessible.
SQL is used in a variety of fields, including technology, banking, retail, music, and even medicine. For example, on a normal e-commerce website, customers' names, emails, phone numbers, and payment information are saved in a database.
SQL databases are very widely used in the financial sector. SQL is most commonly used in banking and payment applications. Since the internet is poorly controlled, banks must take additional security measures while conducting online transactions. SQL already does that, as well as providing excellent database support. Social media apps such as Facebook, Twitter, and Instagram have substantial user bases that consume massive amounts of bandwidth daily.
SQL is more autonomous with faster query processing
SQL can process a large amount of data in a short amount of time. SQL makes critical operations like deletion, insertion, and data update happen in a blink of an eye. Although both Microsoft Excel and Google Sheets can handle databases, SQL is faster and can extract data without having to go through each page individually.
SQL is a simple and high-performance programming language
SQL is an easy language to learn. You can learn SQL in a few weeks if you understand programming and know a few other languages. The wording isn't extremely complex or long. SQL is best suited for large, complicated databases with a high volume of transactions. Even with heavy workloads and extensive use, SQL operates perfectly.
SQL is open-source software
SQL is open-source software that is backed up by a large user community. You can get documentation and troubleshooting help from anywhere in the world. As a result, it is less expensive and more future-proof.
SQL is compatible with most databases
SQL is supported by the majority of relational database management systems, including Microsoft SQL Server, Oracle Database, MySQL, SAP HANA, SAP Adaptive Server, and Microsoft Access.
SQL has grown in popularity as the most extensively used database language. The third most popular programming language is SQL. SQL is used to power databases of large companies including Oracle, Microsoft, Sybase, MySQL, PostgreSQL, and Ingres. SQL is a flexible, powerful, and fast database that is also accessible and inexpensive to most enterprises. SQL’s affordability and open-source nature make it a popular tool for storing data and updating databases.