Introduction to SQL from Udacity

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Syllabus

Course Overview

In this section, you will gain knowledge about SQL basics for working with a single table. You will learn the key commands to filter a table in many different ways.

In this lesson, you will learn how to combine data from multiple tables together.

In this lesson, you will learn how to aggregate data using SQL functions

In this lesson, you will learn about subqueries, a fundamental advanced SQL topic. This lesson will walk you through the appropriate applications of subqueries, the different types of subqueries, and review subquery syntax and examples.

Cleaning data is an important part of the data analysis process. You will be learning how to perform data cleaning using SQL in this lesson.

Window functions allow users to compare one row to another without doing any joins using one of the most powerful concepts in SQL data analysis.

Learn advanced joins and how to make queries that run quickly across giant datasets. Most of the examples in the lesson involve edge cases, some of which come up in interviews.

Congratulations

In this project, students will be putting their SQL skills to the test to help determine where to concentrate efforts to combat deforestation.

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Teaches the basics of SQL in the industry-standard way

Instructors are industry experts

Project-based

Covers advanced SQL topics, such as subqueries and window functions

Helps you prepare for deforestation-related data analysis roles

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Introduction to SQL with these activities:

Organize Course Notes and Resources

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Enhance learning efficiency by organizing course materials, notes, quizzes, and assignments, improving accessibility and retention.

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Gather all relevant course materials, including lecture notes, assignments, and quizzes.
Create a system for organizing materials, such as digital folders or physical binders.
Regularly review and update organized materials to ensure comprehension and retention.

Review Relational Database Concepts

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Strengthen foundational knowledge of relational database concepts, enhancing comprehension of SQL's capabilities and syntax.

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Revisit materials from previous courses or textbooks on relational databases.
Review key concepts such as tables, columns, relationships, and normalization.
Consider taking an online refresher course or tutorial.

Practice SQL queries on mock datasets

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Foster understanding of SQL syntax and query construction by practicing on mock datasets.

Browse courses on SQL Queries

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Obtain mock datasets relevant to the course content.
Use an SQL editor or online platform to execute queries on the datasets.
Review query results and compare them to expected outcomes.
Troubleshoot and refine queries as needed.

One other activity

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Explore Advanced SQL Features through Tutorials

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Expand SQL knowledge by delving into advanced topics through guided tutorials, solidifying understanding and practical application.

Browse courses on Subqueries

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Identify specific advanced SQL topics to focus on.
Find high-quality tutorials or online courses covering those topics.
Follow the tutorials step-by-step, practicing the techniques demonstrated.
Experiment with the advanced features in your own SQL queries.

Career center

Learners who complete Introduction to SQL will develop knowledge and skills that may be useful to these careers:

Data Analyst

Data Analysts help organizations make better decisions by understanding their data. They spend much of their time cleaning, organizing, and analyzing data to identify trends and insights. To conduct their analyses, SQL is almost always a requirement. This course offers a great foundation and an introduction to some of the more advanced SQL skills a Data Analyst may need to succeed.

See salaries and explore the career path for Data Analyst

Data Engineer

Data Engineers are responsible for designing, building, and maintaining the systems and infrastructure that support an organization's data. They work with data scientists and other analysts to develop and implement data solutions. SQL is one of the fundamental tools for working with data, and this course can help build the necessary foundation in SQL. Additionally, Data Engineers often need to work with advanced technologies like window functions and subqueries to manage complex datasets.

See salaries and explore the career path for Data Engineer

Database Administrator

Database Administrators (DBAs) are responsible for managing and maintaining an organization's databases. SQL is a critical tool for a DBA, and this course can help build a solid foundation in SQL, including advanced topics like subqueries and window functions, that are critical to DBAs.

See salaries and explore the career path for Database Administrator

Business Intelligence Analyst

Business Intelligence Analysts help organizations understand their data and make better decisions. They use a variety of tools to analyze data, including SQL. This course can help Business Intelligence Analysts build a strong foundation in SQL, including advanced topics like subqueries and window functions, that are essential for success in this role.

See salaries and explore the career path for Business Intelligence Analyst

Data Scientist

Data Scientists use their knowledge of statistics, programming, and data analysis to extract insights from data. SQL is a fundamental tool for working with data, and this course can help build a foundation in SQL that includes advanced topics like subqueries and window functions, which are often used by Data Scientists.

See salaries and explore the career path for Data Scientist

Software Engineer

Software Engineers design, develop, and maintain software systems. While SQL is not always a requirement for Software Engineers, it can be a valuable skill for those who work with data-intensive applications. This course can help Software Engineers who wish to work in data-related fields, build a foundation in SQL including advanced topics like subqueries and window functions.

See salaries and explore the career path for Software Engineer

Financial Analyst

Financial Analysts use data to make investment recommendations and other financial decisions. SQL is a valuable tool for Financial Analysts who need to analyze financial data. This course can help build a strong foundation in SQL that is essential for success in this role.

See salaries and explore the career path for Financial Analyst

Market Researcher

Market Researchers gather and analyze data about markets and consumers. SQL is a valuable tool for Market Researchers who need to analyze data from surveys, interviews, and other sources. This course can provide Market Researchers with a foundation in SQL.

See salaries and explore the career path for Market Researcher

Product Manager

Product Managers are responsible for the development and success of products. They work with data to understand market trends, customer needs, and product performance. SQL is a valuable tool for Product Managers who need to analyze data from a variety of sources. This course can provide Product Managers with a foundation in SQL.

See salaries and explore the career path for Product Manager

Operations Research Analyst

Operations Research Analysts use data to solve business problems. They work with a variety of tools, including SQL, to analyze data and develop solutions. This course can provide Operations Research Analysts with a foundation in SQL.

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Statistician

Statisticians analyze data to draw conclusions about the world around us. SQL is a valuable tool for Statisticians who need to analyze data from a variety of sources. This course can provide Statisticians with a foundation in SQL.

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Data Entry Clerk

Data Entry Clerks enter data into computer systems. While SQL is not a requirement for this role, it can be a valuable skill for those who wish to advance their careers. This course can provide Data Entry Clerks with a foundation in SQL that can help them succeed in more advanced roles.

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Administrative Assistant

Administrative Assistants provide administrative support to organizations. While SQL is not a requirement for this role, it can be a valuable skill for those who wish to advance their careers. This course can provide Administrative Assistants with a foundation in SQL that can help them succeed in more advanced roles.

See salaries and explore the career path for Administrative Assistant

Customer Service Representative

Customer Service Representatives provide support to customers. While SQL is not a requirement for this role, it can be a valuable skill for those who wish to advance their careers. This course can provide Customer Service Representatives with a foundation in SQL that can help them succeed in more advanced roles.

See salaries and explore the career path for Customer Service Representative

Technical Writer

Technical Writers create documentation for software and other technical products. While SQL is not a requirement for this role, it can be a valuable skill for those who wish to document software that uses SQL. This course can provide Technical Writers with a foundation in SQL that can help them succeed in documenting data-intensive applications.

See salaries and explore the career path for Technical Writer

Introduction to SQL

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