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Learner Reviews & Feedback for SQL for Data Science by University of California, Davis

4.6
stars
17,102 ratings

About the Course

As data collection has increased exponentially, so has the need for people skilled at using and interacting with data; to be able to think critically, and provide insights to make better decisions and optimize their businesses. This is a data scientist, “part mathematician, part computer scientist, and part trend spotter” (SAS Institute, Inc.). According to Glassdoor, being a data scientist is the best job in America; with a median base salary of $110,000 and thousands of job openings at a time. The skills necessary to be a good data scientist include being able to retrieve and work with data, and to do that you need to be well versed in SQL, the standard language for communicating with database systems. This course is designed to give you a primer in the fundamentals of SQL and working with data so that you can begin analyzing it for data science purposes. You will begin to ask the right questions and come up with good answers to deliver valuable insights for your organization. This course starts with the basics and assumes you do not have any knowledge or skills in SQL. It will build on that foundation and gradually have you write both simple and complex queries to help you select data from tables. You'll start to work with different types of data like strings and numbers and discuss methods to filter and pare down your results. You will create new tables and be able to move data into them. You will learn common operators and how to combine the data. You will use case statements and concepts like data governance and profiling. You will discuss topics on data, and practice using real-world programming assignments. You will interpret the structure, meaning, and relationships in source data and use SQL as a professional to shape your data for targeted analysis purposes. Although we do not have any specific prerequisites or software requirements to take this course, a simple text editor is recommended for the final project. So what are you waiting for? This is your first step in landing a job in the best occupation in the US and soon the world!...

Top reviews

EL

Jan 29, 2019

Perfect course! But recommend the last main exercise do more readable and understandable. It is difficult to read in a text file, single-color task and it is not always clear what needs to be done.

SM

Mar 15, 2020

Good course for beginners.- classes are fine- quizzes evaluate quite well your understanding I think- the final assessment contains plenty of VERY ambiguous questions and I think it should be reworked

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4126 - 4150 of 4,413 Reviews for SQL for Data Science

By Juan D O

•

May 3, 2025

Avrei gradito piu esercizi tra la spiegazione di una funzione e l'altra. Grazie per tutto quanto appreso. A presto

By KO

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Jul 31, 2023

I felt modules 1-3 were good, but it went off the rails on module 4. Unclear assignments with poor instructions.

By TSUBASA T

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May 17, 2020

This course is helpful for beginners, but I felt that some explanation weren't clear and quizzes were challenging

By subraj s

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Jun 1, 2021

Assignments could be more basic.

The level of difficulty should gradually increased.

Superb instructor though.

By Saswata B

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Jul 3, 2020

More explanation of concepts is required. Also it would have been better if SQL code was explained in depth.

By JEFFREY C W

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Jul 7, 2022

Had to find outside tutorials to fully understand the subject. Needs more practice queries between lessons.

By Mike E

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Feb 6, 2022

Good course, but we should re-enforce what we learn by doing coding after each video, not just each week.

By Smit P

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May 22, 2020

Instructor should have explain each code by performing practically on pc instead of showing only image.

By Deleted A

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Jun 11, 2022

I feel the examples were good but wis had more to practice in the course. Overall, pretty good course

By Dotun a

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Aug 31, 2021

i think it will be better to learn using mySQL. and more info about dataset will be helpful to note

By Nick J

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Mar 14, 2019

not really relevant to 'data science' its more of a general basic introduction to CRUD and joins

By Peter M

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Jan 7, 2022

It would be better to be more practical better than a PPT, but the content itself is awesome.

By Ayush K J

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Jun 25, 2020

examples for important concepts were lacking like the use of GROUP BY and CASE statements

By Гришин М С

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Sep 21, 2021

Too many unnecessary words in lectures, but there is good coding practice at the end

By Chris M

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Jul 19, 2018

Course teaching was excellent, but the final assignment questions were terrible.

By Daphne C

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Aug 18, 2021

The course is very simple. Lack of coding examples in the teaching materials.

By Deleted A

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May 29, 2022

This course was about SQLite, I think its a less using than the Micrsoft SQL

By oli c

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Dec 22, 2017

Clear instruction, but quite easy. Would prefer if it was more challenging.

By Islam M S M

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May 3, 2018

The Assignment was mis worded and didn't reflect the content of the course

By Tessa S

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Dec 30, 2020

Nice course to get an introduction to SQL. Not so much practice material.

By Abdullah F

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May 2, 2018

Just teaches SQL. Nothing is taught about how its used for data science

By Alex R

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Apr 15, 2022

It's ok, not at the level of an actual university course though sadly.

By Simone D

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Oct 7, 2019

The course material seemed prepared in a rush, with several mistakes.

By Greg L

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Nov 24, 2017

Quizzes poorly and ambiguously worded, database carelessly extracted

By David A

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Oct 7, 2019

It could be harder with some excersice that make the student search