Blair J.
3 SQL lessons












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Washington, DC
I'm a Senior Solutions Architect, Full-Stack Engineer, and Technical Co-Founder with 15+ years architecting and building web applications, AI-enabled platforms, and data visualizations across federal government, startups, and non-profits. I've translated complex technical concepts into polished software for clients...
I'm a Senior Solutions Architect, Full-Stack Engineer, and Technical Co-Founder with 15+ years architecting and building web applications, AI-enabled platforms, and data visualizations across federal government, startups, and non-profits. I've translated complex technical concepts into polished software for clients...

Near Washington, DC
If you are trying to find a tutor who is engaged in helping students understand the topics, improve test grade, or get enthusiastic in learning, I am the one! I have over 15 years in economics and finance. Outstanding quantitative & analytical skills. Extraordinary work/teaching experience applying statistical and...
If you are trying to find a tutor who is engaged in helping students understand the topics, improve test grade, or get enthusiastic in learning, I am the one! I have over 15 years in economics and finance. Outstanding quantitative & analytical skills. Extraordinary work/teaching experience applying statistical and...
Wei worked with me to improve my research project in Economics. Her background in statistics and econometrics was very helpful. She answered my questions regarding econometrics and hypothesis testing and helped format and clean-up... - Ryan

Near Washington, DC
I have been working with computers since the 1960's and have 30 years of experience as a software developer. I have been working with databases using SQL for many years as a professional software developer. My approach is to help you complete whatever programs or projects your course requires. We can...
I have been working with computers since the 1960's and have 30 years of experience as a software developer. I have been working with databases using SQL for many years as a professional software developer. My approach is to help you complete whatever programs or projects your course requires. We can...
Carter was able to help me further understand SQL. I'm over half way done with my semester in college and it's become a bit overwhelming. Connecting with Carter helped me put together loose ends and provide a logical approach to e... - David

Near Washington, DC
As a dedicated math and statistics tutor, I work with students across a wide range of courses, from high school subjects like Algebra 1, Algebra 2, Precalculus, AP Precalculus, AP Calculus, AP Statistics, and SAT Math, to college-level classes including College Algebra, College Precalculus, and College Statistics. My...
As a dedicated math and statistics tutor, I work with students across a wide range of courses, from high school subjects like Algebra 1, Algebra 2, Precalculus, AP Precalculus, AP Calculus, AP Statistics, and SAT Math, to college-level classes including College Algebra, College Precalculus, and College Statistics. My...
Kamyar helped me with my statistics class. We met almost every week for the entire semester. Several tutors responded to my request for tutoring, but he was the only one knowledgeable with the broad topics covered. He is also very... - Cristina, 12 lessons with Kamyar

Near Washington, DC
Hi, my name is Daniel! I have an extensive background in teaching students and helping them to succeed across a variety of subjects. I graduated with a 4.00 GPA from the University of Maryland, College Park with a dual degree in accounting and finance and have always had a passion for teaching others. My specialties...
Hi, my name is Daniel! I have an extensive background in teaching students and helping them to succeed across a variety of subjects. I graduated with a 4.00 GPA from the University of Maryland, College Park with a dual degree in accounting and finance and have always had a passion for teaching others. My specialties...
Daniel has helped me now with two different subjects; Accounting & Stats. He is extremely knowledgable and very helpful. I have recommended him to classmates who are needing extra help as well. I highly recommend hiring Daniel for... - Ryan, 22 lessons with Daniel

Near Washington, DC
As a self-employed freelancer, SQL is one of the programming languages that I am tutoring. I also have experience in MySQL, SQLite, and Microsoft Access. Looking forward to working with you soon!
As a self-employed freelancer, SQL is one of the programming languages that I am tutoring. I also have experience in MySQL, SQLite, and Microsoft Access. Looking forward to working with you soon!
Tanya is a very diligent, consistent, and on-time tutor. When I need help, she goes over the material step-by-step. She is understanding and patient, I believe, with the material we go over. - Tamara, 22 lessons with Tanya

Near Washington, DC
Navigating a career in engineering and related fields can be challenging, but you don’t have to do it alone. With over a decade of leadership experience in engineering research, reactor engineering, and regulatory compliance, I am here to guide undergraduate and graduate students toward successful careers. Whether you...
Navigating a career in engineering and related fields can be challenging, but you don’t have to do it alone. With over a decade of leadership experience in engineering research, reactor engineering, and regulatory compliance, I am here to guide undergraduate and graduate students toward successful careers. Whether you...

SELECTs with all join types, subqueries, Window functions, bind variables, and SQL UNNEST. I also teach stored procedures & triggers. I have Oracle, SQL Server, MySQL, PostgreSQL, and SQLite databases. I've installed and...
SELECTs with all join types, subqueries, Window functions, bind variables, and SQL UNNEST. I also teach stored procedures & triggers. I have Oracle, SQL Server, MySQL, PostgreSQL, and SQLite databases. I've installed and...
David taught me about primary and foreign keys in SQL. He pulled up a database he already had, was ready to teach me to code immediately, and explained everything he did. It was money well spent, and I will continue to learn more ... - Consuela, 2 lessons with David

I have taken multiple database courses in SQL during my computer science degree and use it professionally for the last 10 years, both in terms of data analysis and also with programming our software that interacts with databases. I’ve...
I have taken multiple database courses in SQL during my computer science degree and use it professionally for the last 10 years, both in terms of data analysis and also with programming our software that interacts with databases. I’ve...

I have used SQL for 25 years, beginning with 7 years at IBM working on a DB2-based Online Transaction Processing (OLTP) system, and I am both an IBM Certified DB2 Application Developer and an IBM Certified DB2 Database Administrator. Over...
I have used SQL for 25 years, beginning with 7 years at IBM working on a DB2-based Online Transaction Processing (OLTP) system, and I am both an IBM Certified DB2 Application Developer and an IBM Certified DB2 Database Administrator. Over...
Bob is an excellent tutor and helped me to understand important foundational concepts in Data Warehousing and SQL queries. Bob went above and beyond by locating and discussing additional reference material that helped illustrate ... - John, 2 lessons with Bob

I have worked with Fortune 500 and Fortune 1000 companies, leveraging SQL, SAS, SPSS, Python, and R throughout my career. I use SQL extensively to extract, analyze, and summarize data, with current focus on Common Table Expressions...
I have worked with Fortune 500 and Fortune 1000 companies, leveraging SQL, SAS, SPSS, Python, and R throughout my career. I use SQL extensively to extract, analyze, and summarize data, with current focus on Common Table Expressions...

I have a Bachelor of Science degree in Computer & Information Science, have worked in the tech industry as a software engineer for over 6 years in a variety of programming languages, and have over a year of experience teaching computer programming...
I have a Bachelor of Science degree in Computer & Information Science, have worked in the tech industry as a software engineer for over 6 years in a variety of programming languages, and have over a year of experience teaching computer programming...
Samantha is helping me get back into coding after a 3-year hiatus. She is knowledgeable, patient, and an excellent communicator! I would recommend her to anyone looking to expand or build upon their skills. Samantha also proved t... - Amy, 17 lessons with Samantha

I have been using SQL for the last 7+ years at my work and I am very familiar with the language. I can help you with SQL set up, creating, modifying databases and all related objects as well.
I have been using SQL for the last 7+ years at my work and I am very familiar with the language. I can help you with SQL set up, creating, modifying databases and all related objects as well.
Nina have tutored me in R for Statistics course, and a SQL course. She is very knowledgable in explaining the content very throughly that I wish she was a professor at my university. This tutor is a very patient tutor, and does no... - Priscillia, 19 lessons with Nina

-Creating tables, queries, joins, subqueries and formulas. -Stored procedures and data connections. Also I can give you an intro to SQL course if you have no experience.
-Creating tables, queries, joins, subqueries and formulas. -Stored procedures and data connections. Also I can give you an intro to SQL course if you have no experience.
Recently a contract job ended and I was looking for a SQL boot camp training refresher. Over the past 4-5 weeks, Cal has provided excellent SQL training and valuable homework assignments. So much so that I ended up having this ... - Paul, 105 lessons with Cal

I have over 15 years industry experience in software development, I have been a programmer, lead developer, architect and project lead on many, many projects, including SQL. I specialize in Java, C++, Javascript, Angular, OpnGL and now...
I have over 15 years industry experience in software development, I have been a programmer, lead developer, architect and project lead on many, many projects, including SQL. I specialize in Java, C++, Javascript, Angular, OpnGL and now...
I just started with Jeffrey. He clearly has strong python and general IT skills. He is also a great teacher, explaining each step clearly until I understand. He listened well to all my requirements and worked them into the lesson.... - David

From logical and physical data modeling to writing and tuning SQL queries for performance, I can bring relevant, real-world experience to the learning environment, using many of today's popular relational databases and tools, including...
From logical and physical data modeling to writing and tuning SQL queries for performance, I can bring relevant, real-world experience to the learning environment, using many of today's popular relational databases and tools, including...
John helped me through several SQL questions, and made sure that I understood the reasoning behind every function that we ran together. He patiently encouraged me and I left the session with a much better handle of SQL and a great... - Carly, 2 lessons with John

I have written SQL in many database languages or concepts like Oracle, MySQL, Aurora, Postgres, SQL Server, ORM, JPA, and MongoDB. Using the most complicated features of SQL to write subqueries, grouping, procedures,...
I have written SQL in many database languages or concepts like Oracle, MySQL, Aurora, Postgres, SQL Server, ORM, JPA, and MongoDB. Using the most complicated features of SQL to write subqueries, grouping, procedures,...
Akeme helped me get started with a very large database project. He is extremely patient and knows a lot about PHP and SQL. I highly recommend him for any database project. - Anonymous, 5 lessons with Akeme

My path into SQL started while learning React.js and working to develop a full-stack skill set. I had specific full-stack applications I wanted to build, and that goal led me to learning how to set up and use phpMyAdmin to manage databases....
My path into SQL started while learning React.js and working to develop a full-stack skill set. I had specific full-stack applications I wanted to build, and that goal led me to learning how to set up and use phpMyAdmin to manage databases....
Zary has been one of the best decisions I made while preparing for my Security+ certification. From the start, it was clear that he has a deep understanding of not only computers and cybersecurity, but also how the CompTIA exams a... - Stephen, 14 lessons with Zary

I teach SQL in a practical, beginner-friendly way that helps students understand how to query, filter, and manage data. From simple SELECT statements to joins, grouping, and aggregations, I guide students step by step with real examples. My...
I teach SQL in a practical, beginner-friendly way that helps students understand how to query, filter, and manage data. From simple SELECT statements to joins, grouping, and aggregations, I guide students step by step with real examples. My...
I am taking a college level Computer Science course and was very unfamiliar with anything to do with the logistics of coding. Mark was very knowledgable and patient with me and explained thoroughly each step. I am so thankful to h... - Emma, 2 lessons with Mark

Many employers assume that every programmer know some SQL, and as a web developer or a Java developer, you'll probably find that a lack of SQL understanding will be a hinderance. SQL is a very deep language onto itself,...
Many employers assume that every programmer know some SQL, and as a web developer or a Java developer, you'll probably find that a lack of SQL understanding will be a hinderance. SQL is a very deep language onto itself,...
Steven helped me with understanding some fundamental approaches to disentangling complex SQL problems. It really helped calm me down and give me some tools to work in SQL - Steven, 2 lessons with Steven

Former Database Administrator on SQL Server. Certified in Oracle with a few years experience on Oracle reporting. Learned on MySQL and can help on any SQL platform for students or professionals.
Former Database Administrator on SQL Server. Certified in Oracle with a few years experience on Oracle reporting. Learned on MySQL and can help on any SQL platform for students or professionals.
I am a SQL novice and had to complete an assignment that included some challenging queries. Ryan was patient and did an excellent job helping me conceptualize what SQL syntax actually means and how it is used to pull data under sp... - Adriane

My background is primarily MySQL and PostgreSQL, but the SQL principles I teach are platform-agnostic and apply to SQL Server and other systems. I emphasize understanding and reasoning over memorization.
My background is primarily MySQL and PostgreSQL, but the SQL principles I teach are platform-agnostic and apply to SQL Server and other systems. I emphasize understanding and reasoning over memorization.

I hold three of the most rigorous quantitative credentials in finance and risk — FSA (Fellow of the Society of Actuaries), CFA (Chartered Financial Analyst), and FRM (Financial Risk Manager). I passed every single exam for all three on my first...
I hold three of the most rigorous quantitative credentials in finance and risk — FSA (Fellow of the Society of Actuaries), CFA (Chartered Financial Analyst), and FRM (Financial Risk Manager). I passed every single exam for all three on my first...
Aaron is so patient and very thorough, ensures the understanding of concepts and the how, what, why approach to problem solving. My kids loved working with him, highly recommend! - Lila, 8 lessons with Aron

Hello! I have been a paid full-stack developer since 1997, and LOVE helping others to learn and grow. I specialize in TypeScript/JavaScript, React, React Native, Electron, Redux, jQuery, HTML, CSS, PHP, MySQL, MongoDB, MERN Stack, LAMP Stack,...
Hello! I have been a paid full-stack developer since 1997, and LOVE helping others to learn and grow. I specialize in TypeScript/JavaScript, React, React Native, Electron, Redux, jQuery, HTML, CSS, PHP, MySQL, MongoDB, MERN Stack, LAMP Stack,...
I have been taking lesson from various tutors here in Wyzant for a while, in React, Node, and AWS. To me, Matt's lessons are the best. I feel I get all my money's worth. Matt does not waste time, it's easy to see how much experien... - Karen, 60 lessons with Matt

I have been working in the IT industry for over 30 years, with a focus on Linux and Windows systems administration. I have experience in a variety of roles, including break-fix, scripting, physical, virtual and containers. Things I do: Research,...
I have been working in the IT industry for over 30 years, with a focus on Linux and Windows systems administration. I have experience in a variety of roles, including break-fix, scripting, physical, virtual and containers. Things I do: Research,...
Rodrigo A, impressed me as being an excellent tutor and dedicated educator. He truly cares about his students and willing to go the extra mile for them to understand the material. Also, his expertise is very up to date and real wo... - John
3 SQL lessons
1 SQL lesson
1 SQL lesson
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