1. What is SQL?
SQL (Structured Query Language) is the standard language that any relational database management system (RDBMS) must meet, typically such as Oracle, Sybase, and Microsoft SQL Server. , Access, Ingres, …
Put simply, SQL is the language you use to interact with the database. SQL statements are used to perform tasks such as updating data on a database or retrieving data from a database. SQL can be used to insert, search, update and delete database records; perform many other activities including database optimization and maintenance.
2. Why need to learn SQL?
Wherever any industry needs data. Data is the most valuable asset and it is central to every decision making process.
Despite NoQuery’s boom in recent years, SQL is still coming back to becoming a popular interface for data analysis. SQL is one of the top skills to master in the future.
SQL is the foundation for the most commonly used database tools such as MySQL, SQL Server, SQLite and PostgreSQL.
3. Learning SQL is not difficult.
SQL is not a programming language, it is a query language. The main goal that SQL is created is to provide ordinary people with the ability to get the data they need from the database. It is also an English-like language, so anyone who can use English at a basic level can write SQL queries easily.
The good news is that most DB tools are compatible with all SQL code. So, once you learn SQL, it will be similar to working on any relational database.
4. SQL is one of the essential skills.
With so many companies now relying on big data analytics to drive their businesses, skilled employees and the SQL platform are among the most sought-after employers.
SQL is one of the common languages that any developer usually needs because most software needs a database (web app, win app, mobile app …).