SQL for Data Analysis

📚📚 I. THÔNG TIN SẢN PHẨM
📒 Mã sản phẩm :  STT1052
📒 Nhà xuất bản :  O'Reilly Media; 1st edition (October 19, 2021)
📒 Tác giả :   Cathy Tanimura 
📒 Ngôn ngữ :   Tiếng Anh
📒 ISBN      : 1492088781
📒 Số trang :  357 trang
📒 Hình thức : Bìa Mềm, IN ĐEN TRẮNG 
📒 Loại : Sách gia công đóng gáy keo chắc chắn chất lượng cao
📒 Giấy in : Giấy ngoại định lượng 70msg, viết vẽ và hightlight thoải mái.
📒 Chất lượng : Bản in rõ nét, giá rất tốt cho mọi người.

📚📚 II. MÔ TẢ SẢN PHẨM
📒 1.Mô tả sản phẩm
With the explosion of data, computing power, and cloud data warehouses, SQL has become an even more indispensable tool for the savvy analyst or data scientist. This practical book reveals new and hidden ways to improve your SQL skills, solve problems, and make the most of SQL as part of your workflow.

You'll learn how to use both common and exotic SQL functions such as joins, window functions, subqueries, and regular expressions in new, innovative ways--as well as how to combine SQL techniques to accomplish your goals faster, with understandable code. If you work with SQL databases, this is a must-have reference.

• Learn the key steps for preparing your data for analysis
• Perform time series analysis using SQL's date and time manipulations
• Use cohort analysis to investigate how groups change over time
• Use SQL's powerful functions and operators for text analysis
• Detect outliers in your data and replace them with alternate values
• Establish causality using experiment analysis, also known as A/B testing

📒 2. Tác giả

Cathy Tanimura has a passion for connecting people and organizations to the data they need to make an impact. She has been analyzing data for over 20 years across a wide range of industries, from finance to B2B software to consumer services.