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學生對 加州大学戴维斯分校 提供的 SQL for Data Science 的評價和反饋

4.6
8,913 個評分
2,330 條評論

課程概述

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!...

熱門審閱

JP
2020年4月5日

This course has really helped with optimizing queries that I work with everyday, enhancing my understanding of RDBMS, joins, analyzing and structuring exactly what you need and yielding those results.

AL
2020年8月21日

A comprehensive course that covers major aspects of query building and retrieval in a management system. The topics were delivered well and the materials/assignments were relevant for skill-building.

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2201 - SQL for Data Science 的 2225 個評論(共 2,319 個)

創建者 Thais S B

2018年3月15日

This is a good course for basic knowledge of SQL but the quizzes and assignments are very confusing and badly elaborated.

創建者 Mohsin K

2020年7月26日

This is a good course on SQL for Data Science. As you will particularly start from scratch and go uptil tedious methods

創建者 Dhwanil V

2020年8月14日

The overall format was quite good but it would be more helpful if more examples are included in the lecture videos.

創建者 TSUBASA T

2020年5月17日

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

創建者 Saswata B

2020年7月3日

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

創建者 Smit P

2020年5月22日

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

創建者 Nick J

2019年3月14日

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

創建者 Ayush K J

2020年6月25日

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

創建者 Christopher M

2018年7月19日

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

創建者 oli c

2017年12月22日

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

創建者 Islam M S M

2018年5月3日

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

創建者 Tessa S

2020年12月30日

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

創建者 Abdullah F

2018年5月2日

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

創建者 Simone D

2019年10月7日

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

創建者 Greg L

2017年11月24日

Quizzes poorly and ambiguously worded, database carelessly extracted

創建者 David A

2019年10月7日

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

創建者 Daniel E

2020年1月4日

Good content but the questions are badly worded and need updating.

創建者 Melissa V

2018年4月28日

Need to take a more in-depth class to fully understand this class.

創建者 Matt E

2018年4月1日

You can learn this stuff on your own. You don't need a course.

創建者 Priyanshu V

2020年7月31日

Some topic is not cover like constraints alter modify default

創建者 Tim S

2020年7月8日

Quite easy. The peer-reviewed assignment is also very easy.

創建者 liqi x

2019年12月24日

not enough teaching examples, could be tough for beginner

創建者 TANMAY R C

2020年6月25日

Very fast and high level for a person who knows nothing

創建者 Saulo G d M S

2020年7月27日

A really good course, but the forum isn't that great.

創建者 SAKET M

2021年2月24日

Could be more better. You could have taught more SQL