Much of the world's data resides in databases. SQL (or Structured Query Language) is a powerful language which is used for communicating with and extracting data from databases. A working knowledge of databases and SQL is a must if you want to become a data scientist.
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初级
完成时间大约为14 小时
英语（English）
字幕：英语（English）, 韩语, 越南语, 阿拉伯语（Arabic）
您将获得的技能
Cloud DatabasesPython ProgrammingIpythonRelational Database Management System (RDBMS)SQL
学生职业成果
38%
完成这些课程后已开始新的职业生涯
33%
通过此课程获得实实在在的工作福利
可分享的证书
完成后获得证书
100% 在线
立即开始，按照自己的计划学习。
可灵活调整截止日期
根据您的日程表重置截止日期。
初级
完成时间大约为14 小时
英语（English）
字幕：英语（English）, 韩语, 越南语, 阿拉伯语（Arabic）
提供方
IBM
IBM offers a wide range of technology and consulting services; a broad portfolio of middleware for collaboration, predictive analytics, software development and systems management; and the world's most advanced servers and supercomputers. Utilizing its business consulting, technology and R&D expertise, IBM helps clients become "smarter" as the planet becomes more digitally interconnected. IBM invests more than $6 billion a year in R&D, just completing its 21st year of patent leadership. IBM Research has received recognition beyond any commercial technology research organization and is home to 5 Nobel Laureates, 9 US National Medals of Technology, 5 US National Medals of Science, 6 Turing Awards, and 10 Inductees in US Inventors Hall of Fame.
教学大纲 - 您将从这门课程中学到什么
完成时间为 3 小时
Week 1 - Introduction to Databases and Basic SQL
In Week 1 you will be introduced to databases. You will create a database instance on the cloud. You will learn some of the basic SQL statements. You will also write and practice basic SQL hands-on on a live database.
完成时间为 3 小时
12 个视频 （总计 38 分钟）, 6 个阅读材料, 4 个测验
12 个视频
Introduction to Databases4分钟
How to create a Database instance on Cloud3分钟
CREATE Table Statement2分钟
SELECT Statement3分钟
COUNT, DISTINCT, LIMIT2分钟
INSERT Statement2分钟
UPDATE and DELETE Statements3分钟
Information and Data Models4分钟
Types of Relationships3分钟
Mapping Entities to Tables1分钟
Relational Model Concepts2分钟
6 个阅读材料
Hands-on LAB: Provision a Cloud Hosted Database Instance30分钟
Examples to CREATE and DROP tables5分钟
SELECT statement examples5分钟
Hands-on LAB: Composing and Running basic SQL queries45分钟
About this Optional lesson2分钟
Additional Reading10分钟
4 个练习
Databases15分钟
Basic SQL15分钟
Practice Quiz: Review of Relational Database Concepts10分钟
Optional Not Graded Quiz on Relational Concepts15分钟
完成时间为 4 小时
Week 2 - Advanced SQL
By the end of this module, you will learn the following: (1) Learn how to use string patterns and ranges to search data and how to sort and group data in result sets. (2) Learn how to work with multiple tables in a relational database using join operations.
完成时间为 4 小时
9 个视频 （总计 38 分钟）, 5 个阅读材料, 4 个测验
9 个视频
Sorting Result Sets2分钟
Grouping Result Sets3分钟
Built-in Database Functions6分钟
Date and Time Built-in Functions2分钟
Sub-Queries and Nested Selects4分钟
Working with Multiple Tables6分钟
Relational Model Constraints2分钟
Relational Model Constraints - Advanced4分钟
5 个阅读材料
Hands-on LAB: String Patterns, Sorting & Grouping1小时
Hands-on Lab: Built-in functions20分钟
Hands-on Lab: Sub-queries, Multiple Tables30分钟
About this Optional lesson2分钟
Additional Information on Keys and Constraints5分钟
4 个练习
String Patterns, Ranges, Sorting and Grouping15分钟
Functions, Sub-Queries, Multiple Tables15分钟
Practice Quiz: Review of Database Constraints10分钟
Optional Not Graded Quiz on Constraints30分钟
完成时间为 4 小时
Week 3 - Accessing Databases using Python
After completing the lessons in this week, you will learn how to explain the basic concepts related to using Python to connect to databases and then create tables, load data, query data using SQL, and analyze data using Python
完成时间为 4 小时
10 个视频 （总计 45 分钟）, 3 个阅读材料, 6 个测验
10 个视频
Writing code using DB-API4分钟
Connecting to a database using ibm_db API2分钟
Creating tables, loading data and querying data3分钟
Analyzing data with Python9分钟
Join Overview3分钟
Inner Join3分钟
Left Outer Join5分钟
Right Outer Join4分钟
Full Outer Join2分钟
3 个阅读材料
Lab 0: Create Database Credentials10分钟
About this Optional Section2分钟
Hands-on LAB: JOINs45分钟
2 个练习
Database access from Python15分钟
JOIN operations15分钟
完成时间为 3 小时
Week 4: Course Assignment
As a hands-on Data Science assignment, you will be working with multiple real world datasets for the city of Chicago. You will be asked questions that will help you understand the data just like a data scientist would. You will be assessed both on the correctness of your SQL queries and results.
完成时间为 3 小时
2 个视频 （总计 13 分钟）, 2 个阅读材料, 4 个测验
2 个阅读材料
LOADing Data3分钟
IBM Digital Badge2分钟
1 个练习
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审阅
来自DATABASES AND SQL FOR DATA SCIENCE的热门评论
由 DE 提供Dec 27, 2019
Course is god enough. However the last assessment is not. Misprints and not clear questions lead to disappointing marks in the end. Also other students marked assessments based on their understanding.
由 BS 提供May 20, 2020
Amazing course for beginners! The entire course is well structured and has good hands-on assignments. SQL is extremely essential for Database management and fun learning so please do try this one out!
由 SA 提供Apr 22, 2020
The lessons were short and easy to follow, providing all the basics as well as a few more advanced topics, to get student quickly up-to-speed on databases and SQL and their application in D/S realm.
由 PK 提供Aug 19, 2020
A very useful course with some very interesting datasets/Jupyter notebooks to work through/practice your skills. Offers a good balanced blend between theory and practical/practice. Very good course!
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