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Showing posts with the label Beginner Guide to SQL

SQL Basics

Beginners guide to SQL for a career in Data Analytics Data Analytics is the science of examining raw data to draw conclusions about that information. Being a Data Analyst myself, it's quite understandable that we can't do anything until we have the data to work with. So, how can we get that data?  Till date, most of the data being captured for any purpose stays in a tabular format. We need to query the data using “Structured Query Language (SQL)” - the standard language to query a database.  So let's begin and understand the basics of SQL: What is SQL? SQL is a programming language designed for managing data in a relational database. SQL is used for accessing, cleaning, and analyzing data that are stored in databases. Data analysts use SQL mainly because: It’s easy to understand and learn It is cross-platform i.e. the syntax of SQL can be used on almost all well-known industry-wide platforms such as MySQL, Postgres, Google Bigquery, etc. A l...