
If you notice, the commands ‘create, alter & drop’ define the complete structure of data. Takes back privileges granted from users. Retrieves certain records from one or more tables. Modifies an existing database object, such as a table.ĭeletes an entire table, a view of a table or other objects in the database. CommandĬreates a new table, a view of a table, or another object in the database. Here are some commands that we will be learning about, and later practicing as well. This is what it looks like this: Source: MySQL As an example, we have chosen a database of customers at an e-commerce store. We have learned above what SQL is used for, so let’s try out each of these things on a real dataset. Read Story What Is SQL And How Does It Work: Learning SQL With Some Basic SQL Commands Senior Research Analyst at Gro Intelligence After getting a sense of what SQL is used for, let’s try our hands at learning SQL on an actual database. Imagine how difficult life would be if we did not have a way to control the database in this format.


A database is a table that consists of rows and columns.

SQL is the most common language for extracting and organising data that is stored in a relational database. Let’s dig into understanding this Structured Query Language by asking this simple question… Source: D Zone What is SQL And How Does it Work?

SQL is fairly simple, thanks to easy syntaxes of this language. In this blog post, we will cover what is SQL and how does it work. After all this data gets stored in databases and professionals use SQL to extract this data for further analysis. Millions of data points are being generated every minute and raw data does not have any story to tell. It is undoubtedly the most important language for getting a job in the field of data analysis or data sciences. SQL or Structured Query Language is a critical tool for data professionals.
