課程信息
4.5
1,630 個評分
437 個審閱

100% 在線

立即開始,按照自己的計劃學習。

可靈活調整截止日期

根據您的日程表重置截止日期。

初級

完成時間大約為20 小時

建議:4 weeks of study, 3-5 hours/week...

英語(English)

字幕:英語(English)

您將獲得的技能

Data ScienceData AnalysisSqliteSQL

100% 在線

立即開始,按照自己的計劃學習。

可靈活調整截止日期

根據您的日程表重置截止日期。

初級

完成時間大約為20 小時

建議:4 weeks of study, 3-5 hours/week...

英語(English)

字幕:英語(English)

教學大綱 - 您將從這門課程中學到什麼

1
完成時間為 3 小時

Getting Started and Selecting & Retrieving Data with SQL

In this module, you will be able to define SQL and discuss how SQL differs from other computer languages. You will be able to compare and contrast the roles of a database administrator and a data scientist, and explain the differences between one-to-one, one-to-many, and many-to-many relationships with databases. You will be able to use the SELECT statement and talk about some basic syntax rules. You will be able to add comments in your code and synthesize its importance....
11 個視頻 (總計 52 分鐘), 2 個閱讀材料, 4 個測驗
11 個視頻
Module Introduction1分鐘
What is SQL Anyway?7分鐘
Data Models, Part 1: Thinking About Your Data5分鐘
Data Models, Part 2: The Evolution of Data Models3分鐘
Data Models, Part 3: Relational vs. Transactional Models5分鐘
Retrieving Data with a SELECT Statement4分鐘
Creating Tables7分鐘
Creating Temporary Tables4分鐘
Adding Comments to SQL5分鐘
Summary1分鐘
2 個閱讀材料
SQL Overview15分鐘
Data Modeling and ER Diagrams35分鐘
4 個練習
Let's Practice!10分鐘
Practice Simple Select Queries20分鐘
Module 1 Quiz30分鐘
Module 1 Coding Questions10分鐘
2
完成時間為 3 小時

Filtering, Sorting, and Calculating Data with SQL

In this module, you will be able to use several more new clauses and operators including WHERE, BETWEEN, IN, OR, NOT, LIKE, ORDER BY, and GROUP BY. You will be able to use the wildcard function to search for more specific or parts of records, including their advantages and disadvantages, and how best to use them. You will be able to discuss how to use basic math operators, as well as aggregate functions like AVERAGE, COUNT, MAX, MIN, and others to begin analyzing our data....
9 個視頻 (總計 49 分鐘), 1 個閱讀材料, 3 個測驗
9 個視頻
Basics of Filtering with SQL8分鐘
Advanced Filtering: IN, OR, and NOT7分鐘
Using Wildcards in SQL6分鐘
Sorting with ORDER BY4分鐘
Math Operations4分鐘
Aggregate Functions6分鐘
Grouping Data with SQL5分鐘
Putting it All Together3分鐘
1 個閱讀材料
SQL for Various Data Science Languages25分鐘
3 個練習
Module 2 Practice Quiz22分鐘
Module 2 Quiz30分鐘
Module 2 Coding Assignment45分鐘
3
完成時間為 3 小時

Subqueries and Joins in SQL

In this module, you will be able to discuss subqueries, including their advantages and disadvantages, and when to use them. You will be able to recall the concept of a key field and discuss how these help us link data together with JOINs. You will be able to identify and define several types of JOINs, including the Cartesian join, an inner join, left and right joins, full outer joins, and a self join. You will be able to use aliases and pre-qualifiers to make your SQL code cleaner and efficient....
10 個視頻 (總計 56 分鐘), 2 個閱讀材料, 3 個測驗
10 個視頻
Using Subqueries6分鐘
Subquery Best Practices and Considerations5分鐘
Joining Tables: An Introduction5分鐘
Cartesian (Cross) Joins4分鐘
Inner Joins8分鐘
Aliases and Self Joins6分鐘
Advanced Joins: Left, Right, and Full Outer Joins7分鐘
Unions5分鐘
Summary5分鐘
2 個閱讀材料
SQL and Python10分鐘
Union and Union All10分鐘
3 個練習
Practice Quiz - Writing Queries10分鐘
Module 3 Quiz30分鐘
Module 3 Coding Assignment45分鐘
4
完成時間為 5 小時

Modifying and Analyzing Data with SQL

In this module, you will be able to discuss how to modify strings by concatenating, trimming, changing the case, and using the substring function. You will be able to discuss the date and time strings specifically. You will be able to use case statements and finish this module by discussing data governance and profiling. You will also be able to apply fundamental principles when using SQL for data science. You'll be able to use tips and tricks to apply SQL in a data science context. ...
10 個視頻 (總計 53 分鐘), 3 個閱讀材料, 3 個測驗
10 個視頻
Working with Text Strings7分鐘
Working with Date and Time Strings5分鐘
Date and Time Strings Examples5分鐘
Case Statements7分鐘
Views6分鐘
Data Governance and Profiling5分鐘
Using SQL for Data Science, Part 15分鐘
Using SQL for Data Science, Part 26分鐘
Course Summary2分鐘
3 個閱讀材料
Additional SQL Resources to Explore15分鐘
Welcome to Peer Review Assignments!10分鐘
Yelp Dataset SQL Lookup5分鐘
2 個練習
Module 4 Quiz30分鐘
Module 4 Coding Questions35分鐘
4.5
437 個審閱Chevron Right

42%

完成這些課程後已開始新的職業生涯

34%

通過此課程獲得實實在在的工作福利

熱門審閱

創建者 MSMar 11th 2019

Great course i had a very good learning experience from this course and what i was expecting from this course i got that knowledge and i am very happy to take this course. thank you so much.

創建者 NPJan 7th 2018

A nice course to get introduced to writing SQL queries in Data science. Provides hands on exercises that boost confidence. Genuinely appreciate the ease with which SQL topics are covered

講師

Avatar

Sadie St. Lawrence

Data Scientist at VSP Global
Founder and CEO Women in Data (WID)

關於 加州大学戴维斯分校

UC Davis, one of the nation’s top-ranked research universities, is a global leader in agriculture, veterinary medicine, sustainability, environmental and biological sciences, and technology. With four colleges and six professional schools, UC Davis and its students and alumni are known for their academic excellence, meaningful public service and profound international impact....

常見問題

  • 注册以便获得证书后,您将有权访问所有视频、测验和编程作业(如果适用)。只有在您的班次开课之后,才可以提交和审阅同学互评作业。如果您选择在不购买的情况下浏览课程,可能无法访问某些作业。

  • 您购买证书后,将有权访问所有课程材料,包括评分作业。完成课程后,您的电子课程证书将添加到您的成就页中,您可以通过该页打印您的课程证书或将其添加到您的领英档案中。如果您只想阅读和查看课程内容,可以免费旁听课程。

還有其他問題嗎?請訪問 學生幫助中心