Best Advanced SQL Courses for Data Analysts
If you’re a data analyst, keeping SQL skills sharp is crucial to staying ahead of the game. SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases.
As data analysts, it’s our job to make sense of the data, and SQL provides powerful tools for querying and analyzing data. Fortunately, there are a variety of online SQL courses available to help you improve your skills and stay ahead of the curve.
In this article, we’ll review some of the best advanced SQL courses for data analysts.
Importance of Keeping SQL Skills Sharp
There are a few reasons why we should invest time and effort into keeping our SQL skills sharp. Firstly, SQL is a highly sought after skill in the job market.
An increasing number of businesses are looking for data analysts who possess strong SQL skills. A survey by Burning Glass Technologies found that SQL is the most in-demand programming language across all industries.
Secondly, keeping your SQL skills current can help you work more efficiently. SQL provides a powerful set of tools for filtering, sorting, and aggregating data.
By mastering these tools, you can greatly reduce the time it takes to analyze data. Finally, having strong SQL skills can help you present your data more effectively.
By using advanced SQL techniques, you can create more sophisticated visualizations and reports that communicate the insights more effectively to the stakeholders.
Review of Top Online Sources
Here are some of the best online courses available for data analysts to sharpen their SQL skills:
1. Coursera – SQL for Data Science
Coursera offers a comprehensive SQL for Data Science course developed by UC Davis. The course provides an overview of SQL and covers advanced topics such as window functions, recursive queries, and working with JSON data.
2. Udemy – The Complete SQL Bootcamp
Udemy offers a comprehensive SQL course that includes all aspects of SQL, from basic to advanced.
This course covers everything from creating databases and tables to using JOINs and subqueries. It’s a great option for anyone looking to become proficient in SQL.
3. edX – SQL for Data Analysis
edX offers a SQL for Data Analysis course developed by IBM.
The course covers a range of SQL topics, including data manipulation, querying multiple tables, and generating reports.
4. DataCamp – Advanced SQL
DataCamp offers a specialized advanced SQL course for data analysts. The course covers topics such as creating views, advanced filtering, and working with date and time data.
5. Codecademy – SQL
Codecademy offers a free online SQL course with interactive lessons.
The course covers the basics of SQL and includes exercises on creating tables, filtering data, and writing complex queries.
Udemy SQL Video Course for Data Analysts
One of the most popular options for online SQL courses is the Udemy SQL Video Course for Data Analysts. This course is designed to help you master SQL and provides comprehensive coverage of all aspects of SQL.
Course Overview and Requirements
The course is suitable for beginners and intermediate learners with no prior SQL experience. The course consists of 9 hours of on-demand video and covers a variety of topics, including:
- Basic SQL
- All kinds of JOINs and quantitative analytics functions
- Creating projects using analytical functions and advanced concepts
- Creating databases and tables
The course is designed to be self-paced, and you can learn at your own speed.
This makes it a great option for busy professionals who want to improve their SQL skills but don’t have a lot of time to commit to a structured course.
Basic SQL
The first section of the course is an introduction to basic SQL concepts and commands. You’ll learn how to write basic queries to retrieve and analyze data.
The course covers topics such as SELECT, FROM, WHERE, ORDER BY, and LIMIT.
All Kinds of JOINs and Quantitative Analytics Functions
In the second section of the course, you’ll learn about JOINs and how to use them to combine data from multiple tables. You’ll also learn about quantitative analytics functions such as COUNT, SUM, AVG, and MAX.
These functions are essential for performing calculations and aggregations on data.
Creating Projects Using Analytical Functions and Advanced Concepts
The third section of the course covers how to use analytical functions to analyze data. You’ll learn about window functions and how to use them to calculate running totals and rankings.
You’ll also learn about advanced concepts such as subqueries, and common table expressions (CTEs).
Creating Databases and Tables
The final section of the course covers how to create databases and tables. You’ll learn how to create tables, alter tables, and delete tables.
You’ll also learn how to create indexes to improve query performance.
Conclusion
In conclusion, if you’re a data analyst or aspiring to be one, mastering SQL is crucial. SQL provides powerful tools for querying and analyzing data that are essential for effectively managing and manipulating data.
There are a variety of online courses available to help you improve your SQL skills, and the Udemy SQL Video Course for Data Analysts is one of the best options available. This course covers all aspects of SQL, from basic to advanced, and is designed to be self-paced, making it a great option for busy professionals.
3) LinkedIn Learning Advanced SQL Functions and Techniques
LinkedIn Learning offers an Advanced SQL Functions and Techniques course that is designed for intermediate SQL users who want to deepen their knowledge of SQL functions and techniques. The course covers a range of topics that are essential for data analysts who need to work with complex data sets.
Course Overview and Target Audience
The course is designed for data analysts who have a solid understanding of basic SQL concepts and want to improve their skills. The course consists of 3 hours of on-demand video and covers a range of advanced SQL concepts and techniques.
ANSI Standard and PostgreSQL Server Installation
The course starts with an introduction to the ANSI SQL standard and installation of the PostgreSQL database management system. PostgreSQL is one of the most powerful and popular open-source database management systems, and it’s free to use.
SQL Statistical, String, and Numeric Functions
In the course, you will learn to work with a variety of SQL functions that are designed to manipulate and transform data. The course covers statistical functions such as variance and standard deviation, string manipulation functions such as substring and length, and numeric functions such as absolute value and round.
Subqueries, Order Records, and Advanced Aggregations
The course also covers advanced topics such as subqueries and how to use them to retrieve data from one table based on data in another table. Additionally, you will learn how to order records by multiple columns, use advanced aggregation functions, and GROUP BY extensions to summarize data in various ways.
Window Functions and Data Preparation
In this course, you will also learn about window functions, which are powerful tools for performing calculations on sliding windows of data. Additionally, you will learn how to prepare data for analysis by transforming data types, cleaning up data, and handling null values.
4) Udemy Oracle SQL Advanced Concepts Course
Udemy offers an Oracle SQL Advanced Concepts course that focuses on advanced features of Oracle SQL, a widely used database management system. This course is designed for Oracle SQL users who want to deepen their knowledge of advanced SQL features.
Course Overview and Software Installation
The course begins with an overview of the course and the installation of the Oracle database management system. You will be shown how to download and install Oracle SQL Developer, which is a free graphical tool used to manage Oracle SQL databases.
Manipulating Data with Virtual Columns, Multi-Table Inserts, and Merges
In this course, you will learn how to work with virtual columns, which are columns that are not stored in the database but are calculated on the fly. You will also learn how to use multi-table inserts, which can insert data into multiple tables using a single command.
Additionally, you will learn about merges, which are powerful tools for updating data in a table based on data in another table.
Analytical Functions, Hierarchical Queries, and Transforming Data
This course covers a range of advanced topics such as analytical functions, which are powerful tools for performing complex calculations on data sets.
Additionally, you will learn about hierarchical queries, which allow you to retrieve data based on a hierarchical relationship between rows. Furthermore, you will learn advanced data transformation techniques that will help you to transform and normalize data.
GROUP BY Extensions and Partitioning Tables
This course also covers GROUP BY extensions, which allow you to group data in more complex ways, such as by ranges of values. Additionally, you will learn about table partitioning, which is a technique used to improve the performance of large tables.
By breaking a large table into smaller pieces, partitioning allows you to work with subsets of data that are stored in different physical locations on disk, allowing for easier management and improved query performance.
Materialized Views, Regular Expressions, and Flashback Operations
Finally, this course covers materialized views, which are like precomputed queries that can be refreshed on-demand.
Additionally, you will learn about regular expressions, which are powerful tools for pattern matching and data validation. Finally, you will learn about flashback operations, which allow you to revert to previous versions of data for auditing or roll-back purposes.
Conclusion
In conclusion, both LinkedIn Learning’s Advanced SQL Functions and Techniques course and Udemy’s Oracle SQL Advanced Concepts course focus on advanced SQL features and techniques. These courses are designed for intermediate to advanced data analysts who are looking to improve their SQL skills.
By mastering these advanced SQL concepts and techniques, you’ll be well-equipped to tackle complex data analysis challenges and stand out in your career.
5) DataCamp SQL Server Analysis Services (SSAS)
DataCamp offers an SQL Server Analysis Services (SSAS) course that is focused on time series data. This course is a great option for data analysts who are interested in working with large amounts of time series data and want to learn how to use SQL to analyze and visualize it effectively.
Combining Data, Analytical Functions, and Nested Data
The course starts with an introduction to the basics of SSAS and how it can be used for time series analysis.
You’ll learn about combining data from multiple sources, how to use analytical functions to analyze data, and how to work with nested data structures.
Installing PostgreSQL Server
The course also covers how to install PostgreSQL, which is a popular open-source database management system. You’ll learn how to install PostgreSQL and how to set up a database for storing time series data.
Sliding and Tumbling Window Calculations and Modeling Time Series Data
In this course, you’ll learn about sliding and tumbling window calculations, which are powerful tools for analyzing time series data. You’ll learn how to use these tools to model time series data and make predictions about future trends.
Analyzing Time Series Data and Linear Regression Forecasting
Additionally, you’ll learn how to analyze time series data using SQL, which includes techniques like smoothing and differencing to remove noise from the data. Furthermore, you will learn how to use linear regression forecasting to make predictions about future trends.
6) DataCamp SQL Learning Path for Data Analysis
DataCamp offers an SQL Learning Path for Data Analysis that provides a comprehensive overview of SQL concepts and techniques that are essential for data analysts. This course is designed for anyone who wants to master SQL and become proficient in data analysis.
Overview of SQL Reporting Path Assumptions and Prerequisites
The course starts with an overview of the SQL reporting path and what you need to know to succeed. This includes assumptions and prerequisites for the course, such as familiarity with basic SQL concepts, the ability to write basic SQL queries, and a general understanding of data analysis.
Creating Basic SQL Reports and Organizing Long Queries
In this course, you’ll learn how to create basic SQL reports and how to organize long queries so that they’re easy to read and manage. You’ll learn about common SQL statements, such as SELECT, FROM, WHERE, and GROUP BY, and how to use them to filter, sort, and aggregate data.
Aggregate Functions, Summarizing Data, and Classifying Data using GROUP BY and CASE WHEN
Additionally, you’ll learn about aggregate functions and how to use them to summarize data in various ways. You’ll also learn how to classify data using GROUP BY and CASE WHEN statements.
These techniques are essential for grouping and categorizing data based on specific criteria.
Analyzing Revenue Trends and the Customer Life Cycle
Furthermore, this course covers analyzing revenue trends and the customer life cycle. You’ll learn how to use SQL to analyze revenue data over time and how to identify trends and patterns.
Additionally, you will learn how to analyze the customer life cycle and how to segment customers based on their behavior.
Analyzing Customer Behavior and Measuring Acquisition, Conversion, Sales, and Churn
Finally, this course covers analyzing customer behavior and measuring acquisition, conversion, sales, and churn.
You’ll learn how to use SQL to analyze customer behavior, such as how long they remain customers and how frequently they purchase. Additionally, you’ll learn how to measure acquisition, conversion, sales, and churn, which are key metrics for businesses that rely on customer data.
Conclusion
In conclusion, both DataCamp’s SQL Server Analysis Services (SSAS) course and SQL Learning Path for Data Analysis course provide comprehensive coverage of advanced SQL concepts and techniques. These courses are designed to help data analysts improve their skills and stay ahead of the curve in a fast-paced industry.
By mastering SQL, data analysts will be better equipped to manage and analyze complex data sets and drive insights that impact their businesses.
7) LearnSQL.com Basic and Advanced SQL Reports Courses
LearnSQL.com offers a range of courses on basic and advanced SQL reports.
These courses provide a comprehensive overview of SQL concepts and techniques that are essential for data analysts.
Overview of Creating Basic SQL Reports in SQL Server
The course starts with an overview of creating basic SQL reports in SQL Server. You’ll learn how to use SQL SELECT statements to retrieve data from tables in a database and how to filter and sort data to create basic reports.
Analyzing Key Metrics and Creating SQL Reports
In this course, you’ll learn how to analyze key metrics and create SQL reports that summarize data in various ways. You’ll learn how to calculate metrics such as revenue, sales, and customer retention using SQL and how to present these metrics in a clear and meaningful way to stakeholders.
Operating on a Database with Several Tables and Summarizing Data
Additionally, you’ll learn how to operate on a database with several tables and how to summarize data using SQL GROUP BY and AVG functions. The course will cover key topics like creating subqueries and data grouping, which are fundamental for working with complex data sets.
Analyzing Customer Behavior and Measuring Acquisition, Conversion, Sales, and Churn
Finally, the course covers analyzing customer behavior and measuring acquisition, conversion, sales, and churn. You’ll learn how to use SQL to analyze customer behavior and how to segment customers based on their behavior.
Additionally, you’ll learn how to measure key business metrics such as acquisition, conversion, sales, and churn, which are critical for any business to survive and thrive.
Conclusion: Choosing the Best Online SQL Course for Data Analysts
In conclusion, there are a variety of online courses available for data analysts looking to learn or deepen their knowledge of SQL. These courses cover a range of topics, from basic SQL concepts to advanced techniques for analyzing complex data sets.
When choosing the best online course for your needs, it’s important to consider factors such as the level of expertise you are seeking, the amount of time you can commit, and the quality of the course materials and instructors. Additionally, it’s important to choose a course that provides comprehensive coverage of SQL concepts and techniques that are most relevant to your industry and job function.
This will help you to ensure that you’re gaining the most impactful learning possible. By choosing the best online SQL course, data analysts can significantly broaden their SQL knowledge and improve their ability to work with complex data sets.
It’s a valuable skill that will enhance their ability to analyze