Why to Learn SQL?
SQL helps you to easily get information from data with high efficiency. To manipulate the data in databases like Create, Read, Edit, and Delete, we use SQL queries. Users can interact with data stored in relational database management systems. Anyone who knows the English language can easily write SQL queries. Some of the key features of SQL are given below:
- Without a lot of coding knowledge, we can manage a database with SQL.
- SQL works with database systems from Oracle, IBM, Microsoft, etc.
- Simple and easy to learn.
- SQL is an ANSI and ISO standard language for database manipulation.
- SQL retrieves large amounts of data very fast.
SQL Tutorial
In this SQL tutorial, you’ll learn all the basic to advanced SQL concepts like SQL queries, SQL join, SQL injection, SQL insert, and creating tables in SQL. SQL is easy to learn, there are no prerequisites to learning SQL.
So, SQL is a standard database language used to access and manipulate data in databases. SQL stands for Structured Query Language. It was developed by IBM Computer Scientists in the 1970s. By executing queries SQL can create, update, delete, and retrieve data in databases like MySQL, Oracle, PostgreSQL, etc. Overall, SQL is a query language that communicates with databases.
What is a Database?
Before deep diving into this free SQL tutorial, let’s understand what a database is.
So, data is the new fuel of this world, but data is unorganized information, so to organize that data, we make a database. A database is an organized collection of structured data, usually controlled by a database management system (DBMS). Databases help us easily store, access, and manipulate data held on a computer.