Description: Refactoring Legacy T-SQL for Improved Performance by Lisa Bohm Intermediate-Advanced user level FORMAT Paperback LANGUAGE English CONDITION Brand New Publisher Description Breathe new life into older applications by refactoring T-SQL queries and code using modern techniques. This book shows you how to significantly improve the performance of older applications by finding common anti-patterns in T-SQL code, then rewriting those anti-patterns using new functionality that is supported in current versions of SQL Server, including SQL Server 2019. The focus moves through the different types of database objects and the code used to create them, discussing the limitations and anti-patterns commonly found for each object type in your database.Legacy code isnt just found in queries and external applications. Its also found in the definitions of underlying database objects such as views and tables. This book helps you quickly find problematic code throughout the database and points out where and how modern solutions can replace older code, thereby making your legacy applications run faster and extending their lifetimes. Author Lisa Bohm explains the logic behind each anti-pattern, helping you understand why each pattern is a problem and showing how it can be avoided. Good coding habits are discussed, including guidance on topics such as readability and maintainability. What You Will LearnFind specific areas in code to target for performance gainsIdentify pain points quickly and understand why they are problematicRewrite legacy T-SQL to reduce or eliminate hidden performance issuesWrite modern code with an awareness of readability and maintainabilityRecognize and correlate T-SQL anti-patterns with techniques for better solutionsMake a positive impact on application user experience in your organizationWho This Book Is ForDatabase administrators or developers who maintain older code, those frustrated with complaints about slow codewhen there is so much of it to fix, and those who want a head start in making a positive impact on application user experience in their organization Back Cover Breathe new life into older applications by refactoring T-SQL queries and code using modern techniques. This book shows you how to significantly improve the performance of older applications by finding common anti-patterns in T-SQL code, then rewriting those anti-patterns using new functionality that is supported in current versions of SQL Server, including SQL Server 2019. The focus moves through the different types of database objects and the code used to create them, discussing the limitations and anti-patterns commonly found for each object type in your database. Legacy code isnt just found in queries and external applications. Its also found in the definitions of underlying database objects such as views and tables. This book helps you quickly find problematic code throughout the database and points out where and how modern solutions can replace older code, thereby making your legacy applications run faster and extending their lifetimes. Author Lisa Bohm explains the logic behind each anti-pattern, helping you understand why each pattern is a problem and showing how it can be avoided. Good coding habits are discussed, including guidance on topics such as readability and maintainability. You will: Find specific areas in code to target for performance gains Identify pain points quickly and understand why they are problematic Rewrite legacy T-SQL to reduce or eliminate hidden performance issues Write modern code with an awareness of readability and maintainability Recognize and correlate T-SQL anti-patterns with techniques for better solutions Make a positive impact on application user experience in your organization Author Biography Lisa Bohm leads a team of database administrators for a software development company. Her history with legacy database code began early in her career with a summer project to rewrite the chemical inventory database for the research division of a local VA hospital. From there, she went on to building front-end web applications. When the web calls timed out, Lisa dug in to learn what databases can do. She has since transitioned into database administration, inheriting and improving legacy applications along the way. Her personal focus remains on solid database architecture and writing well-performing T-SQL. Table of Contents Part I. Everything Is Slow.-1. T-SQL Triage.-2. Documentation.-.-Part II. Database Structure.-3. Database Tables.-4. Database Views.-.-Part III. CRUD Objects.-5. Triggers.-6. Stored Procedures.-7. Functions.-.-Part IV. The Bad and The Ugly.-8. Agent Jobs.-9. External Influences. Feature Helps to mitigate technical debt found in legacy code Shows how to target performance pain points commonly found in older code Promotes awareness of modern coding techniques yielding strong performance Details ISBN1484255801 Author Lisa Bohm Publisher APress Year 2020 Edition 1st ISBN-10 1484255801 ISBN-13 9781484255803 Format Paperback Imprint APress Subtitle Modern Practices for SQL Server Applications Place of Publication Berkley Country of Publication United States Pages 236 DEWEY 005.74 Publication Date 2020-01-11 Short Title Refactoring Legacy T-SQL for Improved Performance Language English DOI 10.1007/978-1-4842-5581-0 UK Release Date 2020-01-11 AU Release Date 2020-01-11 NZ Release Date 2020-01-11 US Release Date 2020-01-11 Illustrations 11 Illustrations, black and white; XXI, 236 p. 11 illus. Edition Description 1st ed. Audience Professional & Vocational We've got this At The Nile, if you're looking for it, we've got it. 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ISBN-13: 9781484255803
Book Title: Refactoring Legacy T-SQL for Improved Performance
Number of Pages: 236 Pages
Language: English
Publication Name: Refactoring Legacy T-Sql for Improved Performance: Modern Practices for Sql Server Applications
Publisher: Apress
Publication Year: 2020
Subject: Computer Science
Item Height: 254 mm
Item Weight: 500 g
Type: Textbook
Author: Lisa Bohm
Item Width: 178 mm
Format: Paperback