For an instructor lead, in-depth look at learning SQL click below.
SQL (Structured Query Language) has been an essential tool in the arsenal of data analysts for decades now. SQL is a powerful language which is used for communicating with and manipulating databases. It is used to manage and organize data in all sorts of systems in which various data relationships are needed to be managed.
Why SQL for Data Visualization
Data visualization is about presenting large amounts of information in ways that are universally understandable or that uncover trends, patterns, and correlations that might go undetected in text-based data. By mastering SQL, you can derive valuable insights from raw data and create insightful dashboards to drive business decisions.
Top Courses for Creating Insightful Dashboards
1. Coursera: Data Visualization and Communication with Tableau
This program utilizes SQL to build impactful visualizations with Tableau, a popular visualization tool in the business intelligence industry.
2. Udemy: SQL Bootcamp with MySQL, PHP & Python
If you’re looking for a more comprehensive SQL course that not only teaches SQL commands but also gives a crash course in back-end programming and data visualization, this course is for you.
3. Edx: Analyzing and Visualizing Data with Power BI
This course uses SQL to help students draw business insights from data with Microsoft’s Power BI, Power Pivot for Excel, and SSAS.
Get started with SQL
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SELECT
statement
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SELECT |
The SQL
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SELECT |
statement is used to select data from a database. The data returned is stored in a result table, called the result-set.
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SELECT column1, column2, ... FROM table_name; |
Basic dashboard creation using SQL
Here is a basic example of SQL code used in creating a dashboard.
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SELECT Region, SUM(Sales) as 'Total Sales' FROM SalesData GROUP BY Region ORDER BY SUM(Sales) DESC; |
The above SQL code groups data region wise and sums up the respective sales. Such data can then be represented in a bar chart to show the performance of different regions.
Conclusion
By learning SQL for data visualization, you can fast-track your career in the field of data analytics. However, learning SQL can be a little bit challenging without the right training resources. Therefore, choose the course that best suits your learning style and requirements, and start your journey in mastering SQL for data visualization!