SQL and PostgreSQL for Beginners: Become an SQL Expert from Udemy

What's inside

Learning objectives

Master relational database fundamentals
Build a relational database from scratch
Use sql to perform data analysis
Perform complex sql queries using joins and subqueries

Understand database concepts such as database relationships
Confident putting sql and postgresql on your resume
Use conditional statements and functions in sql and postgresql
Practice your skills with multiple challenges throughout the course

Master relational database fundamentals
Build a relational database from scratch
Use sql to perform data analysis
Perform complex sql queries using joins and subqueries
Understand database concepts such as database relationships
Confident putting sql and postgresql on your resume
Use conditional statements and functions in sql and postgresql
Practice your skills with multiple challenges throughout the course

Syllabus

This section is an introduction to the course - SQL and PostgreSQL for Beginners - with a few notes on the course.

An Introduction to the SQL and PostgreSQL Course

An overview of the SQL and PostgreSQL Course Curriculum

In this video you will learn the definition of a database and look at an example database.

We will learn what a relational database is, what a relational database management system is and also what SQL is and what it is used for.

In this video you will learn how to install and setup PostgreSQL for Mac.

In this video you will learn how to install and setup PostgreSQL for Windows.

An introduction to this section on Data Definition Language.

This video explains the structure of tables within relational databases.

This video explains the different data types that can be stored in databases.

In this video you will learn about the Primary Key and Foreign Key concepts and how they are used in databases.

In this video you will learn about Unique, Not Null and Check Constraints and how they are used in Relational Databases.

In this video you will learn how to create tables in SQL and PostgreSQL.

In this video you will go through creating the second table in the database.

In this video you will learn how to create tables that contain foreign keys in SQL and PostgreSQL.

In this video we will create the movie_revenues table as part of our database.

In this video you will learn what a junction table is and how to create them in SQL and PostgreSQL.

In this video you will learn how to modify a table by adding a new column using the alter command in SQL and PostgreSQL.

In this video you will learn how to modify a table by changing a columns data type using the alter command in SQL and PostgreSQL.

In this video you will learn how to delete tables from a relational database using SQL and PostgreSQL.

This is a challenge exercise on what you have learned in the Data Definition Language section of the course.

This is a solutions video for the Data Definition Language challenge.

This video is a summary of what you have learned in this section of the course on Data Definition Language.

This is an introduction video to the Data Manipulation Language Section of the course.

In this video you will learn how to insert data into a table in SQL and PostgreSQL using INSERT INTO.

In this video you will learn how to update pre-existing data in a table in SQL and PostgreSQL.

In this video you will learn how to delete data from a table in SQL and PostgreSQL.

In this video we will go through inserting data into our movie data database.

This is a Data Manipulation Language challenge and exercise video.

In this video we will go through the solutions to the Data Manipulation Language challenge.

This video is a summary of what you have learned in the Data Manipulation Language section of the course.

This video is an introduction to retrieving data from a table in SQL and PostgreSQL.

In this video you will learn how to use the SELECT query to extract data from tables in PostgreSQL.

In this video you will learn how to use WHERE clauses in PostgreSQL to filter results based on row values.

This video explains logical operators in SQL and PostgreSQL.

In this video you will learn how to use the IN and NOT IN operators in PostgreSQL to filter your extractions by multiple row values.

In this video you will learn how to use the LIKE operator in PostgreSQL to search for rows containing a specified pattern.

In this video you will learn how to use the BETWEEN operator in PostgreSQL to extract results for rows between two values. This is particularly useful for dates.

In this video you will learn how to ORDER your result sets alphabetically and numerically as well as by date in PostgreSQL.

In this video you will learn how to LIMIT the number of results in your extraction as well as how to use an OFFSET in PostgreSQL.

In this video we will go through how to use FETCH in PostgreSQL.

In this video you will learn how to remove duplicate values from your result sets in PostgreSQL.

In this video we will explain what NULL values are in SQL and how to handle them in your results set.

In this video you will learn how to set a column name alias in PostgreSQL. This will help to make your result set more readable.

In this video we will go through concatenation in SQL and PostgreSQL.

This is an introduction video to aggregate function and grouping data in SQL and PostgreSQL.

In this video you will learn what aggregate function are in SQL.

In this video you will learn how to use the COUNT aggregate function in SQL and PostgreSQL.

In this video you will learn how to use the SUM aggregate function in SQL and PostgreSQL.

In this video you will learn how to use the MIN and MAX aggregate functions in SQL and PostgreSQL.

In this video you will learn how to use the AVG aggregate function in SQL and PostgreSQL.

This is a aggregate functions challenge video.

This is the solutions walkthrough for the aggregate functions challenges.

In this video you will learn how group data in SQL and PostgreSQL.

In this video you will learn how to use the HAVING clause when grouping data and using aggregate functions in SQL and PostgreSQL.

In this video you will learn how to use mathematical operators in SQL and PostgreSQL.

This is an introduction video to relational database relationships.

This video explains what database relationships are and how they are used with relational databases.

In this video you will learn about the one-to-one relationship.

In this video you will learn about one-to-many relationships.

In this video you will learn about many-to-many relationships.

This is an introduction video for the SQL joins section of the course.

In this video we will learn what SQL joins are and the different types of joins.

In this video we will learn how to use INNER JOINS in SQL and PostgreSQL.

In this video we will learn how to use LEFT joins in SQL and PostgreSQL.

In this video we will learn how to use RIGHT joins in SQL and PostgreSQL.

In this video we will learn how to use FULL joins in SQL and PostgreSQL

In this video we will learn how to join more than two tables together in SQL and PostgreSQL.

In this video we will learn what the union operator is and how to use it in SQL and PostgreSQL.

Traffic lights

Read about what's good

what should give you pause

and possible dealbreakers

Teaches a database querying language that is highly relevant in the industry

Provides highly relevant case studies for a database querying language

Provides a great foundation for working with databases and a database querying language

Provides a solid beginner-friendly introduction to a database querying language

Taught by a great instructor who is an expert on the subject of databases and SQL

Recommended for students who wish to enhance their job prospects in data analysis

Reviews summary

Solid foundation in sql and postgresql

According to students, this course offers a largely positive learning experience, particularly for absolute beginners in SQL and PostgreSQL. Learners frequently highlight the instructor's clear explanations and well-paced lessons, which make complex concepts easy to understand. The inclusion of valuable hands-on exercises and practical challenges is consistently praised for solidifying understanding and building confidence. While providing a strong foundational knowledge suitable for career development, some suggest additional resources might be needed to truly become an 'SQL expert' as the title implies.

Instructor actively answers questions in the Q&A section.

"I found the Q&A section very responsive, ensuring my questions were answered promptly."

"The instructor was knowledgeable, and was easy to follow, making the learning path smooth."

"I appreciate the instructor's commitment to continually updating the course with more sections."

Perfectly suited for those with no prior SQL or database knowledge.

"I was new to sql and postgresql before taking this course but I can now say that I am comfortable with both."

"As someone completely new to databases, this course was exactly what I needed."

"Amount of information is good for a beginner course. Highly recommended for anyone starting out."

Valuable exercises and challenges solidify learning effectively.

"The exercises and solutions were very helpful."

"The hands-on exercises are extremely valuable and really solidify the learning."

"I especially appreciated the real-world examples and challenges; they reinforced the material perfectly."

Explanations are crystal clear and lessons are well-paced.

"The instructor breaks down complex SQL concepts into easily digestible lessons."

"The explanations are crystal clear, and the pacing is just right."

"The instructor's teaching style is superb. The lectures are concise yet thorough."

Provides a strong foundation but may require further study for mastery.

"My only minor suggestion would be to add a few more advanced topics or slightly more complex challenges."

"I found some of the examples a bit too simplistic for someone looking to truly 'become an SQL expert'."

"It provides a good base, but I know I'll need more advanced resources beyond this course."

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 SQL and PostgreSQL for Beginners: Become an SQL Expert with these activities:

Practice SQL Database Building Basics

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Refresh your understanding of the fundamental concepts of SQL database building, ensuring a solid foundation for this course.

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Review key concepts like tables, columns, and data types.
Practice creating and modifying simple database tables.
Test your understanding by inserting, updating, and deleting data.

Read 'SQL Cookbook' by Anthony DeBarros

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Supplement your learning with a practical guide, providing you with a collection of ready-to-use SQL recipes for various scenarios.

View Practical SQL, 2nd Edition on Amazon

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Read through the book's chapters, focusing on the topics most relevant to your learning goals.
Experiment with the provided SQL recipes and adapt them to your own projects.

SQL Study Group

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Engage with fellow learners in a study group setting, fostering collaboration and deepening your understanding.

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Join or form a study group with other course participants.
Meet regularly to discuss course topics, share knowledge, and work on exercises together.

Four other activities

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Show all seven activities

SQL Coding Challenges

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Refine your SQL coding skills by solving a series of challenging exercises, improving your problem-solving abilities.

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Find online coding platforms or resources that offer SQL challenges.
Attempt to solve the challenges independently, focusing on optimizing your queries.
Review your solutions against provided answers or community submissions.

Explore Advanced SQL Queries

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Enhance your SQL proficiency by delving into advanced query techniques, expanding your analytical capabilities.

Browse courses on SQL Joins

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Learn about different types of SQL joins and their applications.
Practice using aggregate functions for data summarization.
Master the use of subqueries to enhance query complexity.

Attend a SQL Workshop or Conference

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Dive deeper into SQL by attending an immersive workshop or conference, gaining insights from experts and expanding your knowledge.

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Research and identify upcoming SQL workshops or conferences.
Register and attend the event, actively participating in sessions and networking with other attendees.

Mentor Junior SQL Learners

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Reinforce your own understanding by sharing your knowledge with others, providing guidance and support to aspiring SQL learners.

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Identify opportunities to mentor junior learners, either through online forums, meetups, or local initiatives.
Provide guidance and support to mentees, answering their questions and helping them overcome challenges.

Career center

Learners who complete SQL and PostgreSQL for Beginners: Become an SQL Expert will develop knowledge and skills that may be useful to these careers:

SQL Developer

SQL Developers specialize in developing and maintaining SQL databases and applications. This course provides a comprehensive overview of SQL and PostgreSQL, including data definition, manipulation, and retrieval. Students will learn how to create and manage databases, write complex SQL queries, and use stored procedures and functions. They will also gain experience in developing and deploying SQL applications, ensuring that they are efficient, scalable, and secure. This knowledge will help them become proficient in SQL development, enabling them to build and maintain robust and scalable SQL databases and applications.

See salaries and explore the career path for SQL Developer

Database Architect

Database Architects design and implement database systems to meet the needs of businesses and organizations. This course provides a comprehensive overview of SQL and PostgreSQL, including data definition, manipulation, and retrieval. Students will learn how to create and manage databases, write complex SQL queries, and use stored procedures and functions. They will also gain experience in designing and implementing database systems, ensuring that they are efficient, scalable, and secure. This knowledge will help them become proficient in database architecture, enabling them to design and implement robust and scalable database systems.

See salaries and explore the career path for Database Architect

Database Administrator

Database Administrators are responsible for the maintenance, performance, and security of databases. This course provides a solid foundation in SQL, PostgreSQL, and database relationships, which are essential skills for managing and optimizing databases. Students will learn how to create, modify, and delete tables, as well as insert, update, and delete data. They will also gain experience in using advanced SQL queries and joins to extract data from multiple tables. This knowledge will help them become proficient in managing and administering databases, ensuring their reliability and performance.

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Data Warehouse Engineer

Data Warehouse Engineers design and implement data warehouses to store and manage large amounts of data. This course provides a strong foundation in SQL and PostgreSQL, key technologies for data warehousing. Students will learn how to create and manage databases, write complex SQL queries, and use data integration tools. They will also gain experience in designing and implementing data warehouses, ensuring that they are efficient, scalable, and secure. This knowledge will help them become proficient in data warehousing, enabling them to design and implement robust and scalable data warehouses.

See salaries and explore the career path for Data Warehouse Engineer

Data Engineer

Data Engineers design, build, and maintain data pipelines to move data between different systems and applications. This course provides a strong foundation in SQL and PostgreSQL, which are essential technologies for data engineering. Students will learn how to create and manage databases, write complex SQL queries, and use data integration tools. They will also gain experience in designing and implementing data pipelines, ensuring that data is processed and delivered in a timely and efficient manner. This knowledge will help them become proficient in data engineering, enabling them to build and maintain reliable and scalable data pipelines.

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ETL Developer

ETL (Extract, Transform, Load) Developers extract data from multiple sources, transform it into a consistent format, and load it into a data warehouse or other target system. This course provides a foundation in SQL and PostgreSQL, key technologies for ETL development. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in ETL development, enabling them to design and implement efficient and effective ETL processes.

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Data Analyst

A Data Analyst collects, analyzes, and interprets large amounts of data to derive insights that can help businesses make informed decisions. This course helps students become proficient in SQL, a key tool for data analysis. By learning how to write complex queries and use aggregate functions, students can extract meaningful information from data and gain a better understanding of business trends and customer behavior. Additionally, the course's focus on database relationships will help students understand how data is organized and connected, making them more effective in analyzing and interpreting data.

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Business Intelligence Analyst

Business Intelligence Analysts use data to identify trends and patterns that can help businesses make better decisions. This course provides a strong foundation in SQL, a key tool for data analysis and business intelligence. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data visualization tools to present their findings in a clear and concise manner. This knowledge will help them become proficient in business intelligence analysis, enabling them to identify insights that can drive business growth and innovation.

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Data Quality Analyst

Data Quality Analysts ensure that data is accurate, complete, and consistent. This course provides a foundation in SQL and PostgreSQL, key technologies for data quality analysis. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in data quality analysis, enabling them to identify and correct data quality issues.

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Data Governance Analyst

Data Governance Analysts develop and implement policies and procedures to ensure that data is managed in a consistent and compliant manner. This course provides a foundation in SQL and PostgreSQL, key technologies for data governance. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in data governance, enabling them to develop and implement effective data governance policies and procedures.

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Data Scientist

Data Scientists use statistical and machine learning techniques to extract insights from data. This course provides a foundation in SQL, a key technology for data science. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data visualization tools to explore and analyze data. This knowledge will help them build a foundation in data science, enabling them to apply statistical and machine learning techniques to solve complex business problems.

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Systems Analyst

Systems Analysts design and implement computer systems to meet the needs of businesses and organizations. This course provides a foundation in SQL, a key technology for systems analysis. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in systems analysis, enabling them to design and implement efficient and effective computer systems.

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Web Developer

Web Developers design and develop websites and web applications. This course provides a foundation in SQL, a key technology for web development. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in web development, enabling them to develop and maintain robust and scalable web applications.

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Software Engineer

Software Engineers design, develop, and maintain software applications. This course provides a foundation in SQL, a key technology for software development. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in software development, enabling them to develop and maintain robust and scalable software applications.

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Information Security Analyst

Information Security Analysts protect computer systems and networks from unauthorized access, use, disclosure, disruption, modification, or destruction. This course provides a foundation in SQL, a key technology for information security. Students will learn how to write complex queries and use aggregate functions to extract meaningful information from data. They will also gain experience in using data integration tools to integrate data from different sources. This knowledge will help them build a foundation in information security, enabling them to protect computer systems and networks from threats.

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