SQL Server Analytical Toolkit: Using Windowing, Analytical, Ranking, and Aggregate Functions for Data and Statistical Analysis

ISBN-13: 9781484286661 / Angielski / Miękka / 2023 / 325 str.

Angelo Bobak

Opis

intermediate user level

Learn foundational concepts through a cookbook-style approach, beginning with an introduction to the SQL Server functions used for data mining, data analysis, and business intelligence. Each function is described in detail, accompanied by simple coding examples designed to familiarize you with the application of the functions. All code used in the technical chapters is available as a download so you can practice what you have learned.This book goes beyond just showing how each function works by presenting four unique use-case scenarios (sales, financial, engineering, and inventory control) related to statistical analysis, data analysis, and BI. Each section is covered in two chapters, one for introducing the data model and the second for applying the various data processing recipes and functions discussed. You will wrap up your learning with next steps related to business intelligence and its relevance to other Microsoft Tools such as Power BI and Analysis Services.All code examples, including code to create and load each of the database toolkits to learn the application of each function, are available online. What You Will Learn

• Use SQL Server functions in the context of statistical and data analysis
• Re-purpose code templates that can be modified for your unique applications
• Study use-case scenarios that span four critical industries
• Try tutorials on statistical and analytical formulas that can be applied to data analysis with SQL Server
• Get started with statistical data analysis and data mining using TSQL
• Follow prescriptive guidance on good coding standards to improve code legibility

Who This Book Is ForIntermediate to advanced SQL Server developers and data architects. Technical and savvy business analysts who need to apply sophisticated data analysis for their business users and clients will also benefit. This book offers critical tools and analysis techniques they can apply to their daily job in the disciplines of data mining, data engineering, and business intelligence.

O autorze

Angelo Bobak is a published author with more than four decades of experience and expertise in the areas of business intelligence, data architecture, data warehouse design, data modeling, master data management, and data quality using the Microsoft BI Stack across several industry sectors such as finance, publishing, and automotive. Before becoming a database architect, he was an electrical engineer in the power plant industry.

Blurb

Learn window function foundational concepts through a cookbook-style approach, beginning with an introduction to the OVER() clause, its various configurations in terms of how partitions and window frames are created, and how data is sorted in the partition so that the window function can operate on the partition data sets. You will build a toolkit based not only on the window functions but also on the performance tuning tools, use of Microsoft Excel to graph results, and future tools you can learn such as PowerBI, SSIS, and SSAS to enhance your data architecture skills.

This book goes beyond just showing how each function works. It presents four unique use-case scenarios (sales, financial, engineering, and inventory control) related to statistical analysis, data analysis, and BI. Each section is covered in three chapters, one chapter for each of the window aggregate, ranking, and analytical function categories.

Each chapter includes several TSQL code examples and is re-enforced with graphic output plus Microsoft Excel graphs created from the query output. SQL Server estimated query plans are generated and described so you can see how SQL Server processes the query. These together with IO, TIME, and PROFILE statistics are used to performance tune the query. You will know how to use indexes and when not to use indexes.

You will learn how to use techniques such as creating report tables, memory enhanced tables, and creating clustered indexes to enhance performance. And you will wrap up your learning with suggested steps related to business intelligence and its relevance to other Microsoft Tools such as Power BI and Analysis Services.

All code examples, including code to create and load each of the databases, are available online.

What You Will Learn

• Use SQL Server window functions in the context of statistical and data analysis
• Re-purpose code so it can be modified for your unique applications
• Study use-case scenarios that span four critical industries
• Try tutorials on statistics, how to use SSMS, performance tuning, and basic TSQL queries in case you are new to TSQL or need a refresher
• Get started with statistical data analysis and data mining using TSQL queries to dive deep into data
  
• Follow prescriptive guidance on good coding standards to improve code legibility