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SQL for Data Analysis

137,000₫

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.

✪ Miễn phí GIAO HÀNG đơn hàng từ 399.000đ
✪ Giao hàng COD toàn quốc nhanh chóng từ 2 - 4 ngày
✪ Giao hàng HOẢ TỐC trong nội thành Hà Nội
✪ Hỗ trợ xuất hóa đơn VAT theo yêu cầu

Mã sản phẩm: STA407
Danh mục: Sách IT, Sách chuyên ngành
Tình trạng: Còn hàng

Mô tả

SQL for Data Analysis ( sách gia công bìa mềm )

SQL for Data Analysis

Thể loại:Computers - Databases

Năm:2021

In lần thứ:1

Ngôn ngữ:English

Trang:342

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