Thomas LaRock - Böcker

DBA Survivor is a book to help new database administrators understand more about the world of database administration. More and more people are moving into the DBA profession, and many are looking for a getting-started guide. Blogs are written about how to be an exceptional DBA and what to do in your first 100 days. This book takes a different approach, injecting some humor into helping you understand how to hit the ground running, and most importantly how to survive as a DBA. And it’s not just survival that matters. Author Thomas LaRock wants much more for you than mere survival. He wants you to have excellence, competence, visibility, confidence, and service. These are the traits and characteristics of DBAs who truly succeed and become respected in their profession. Don’t settle for just muddling through your job each day. Strive to excel. Aim to make a difference, for your clients, and for your colleagues. Focuses on the soft skills that distinguish truly exceptional DBAs Takes a humorous approach to keep readers engaged Written by a SQL Server "Most Valuable Professional" and board member of PASS

Use this practical guide to analyze and troubleshoot SQL Server performance using wait statistics. You'll learn to identify precisely why your queries are running slowly. And you'll know how to measure the amount of time consumed by each bottleneck so you can focus attention on making the largest improvements first. This edition is updated to cover analysis of wait statistics current with SQL Server 2022. Whether you are new to wait statistics, or already familiar with them, this book provides a deeper understanding on how wait statistics are generated and what they mean for your SQL Server instance’s performance. The book goes beyond the most common wait types into the more complex and performance-threatening wait types. You’ll learn about per-query wait statistics and session-based wait statistics, and the types of problems they can help you solve. The different wait types are categorized by their area of impact, including CPU, IO, Latching, Locking, and many more.Clear examples are included to help you gain practical knowledge of why and how specific wait times increase or decrease, how they impact your SQL Server’s performance, and what you can do to improve performance. After reading this book, you won’t want to be without the valuable information that wait statistics provide regarding where you should be spending your limited tuning time to maximize performance and value to your business. What You'll LearnUnderstand how the SQL Server engine processes requestsIdentify resource bottlenecks in a running SQL Server instanceLocate wait statistics information inside DMVs and Query StoreAnalyze the root cause of sub-optimal performanceDiagnose I/O contention and locking contentionBenchmark SQL Server performanceImprove database performance by lowering overall wait time Who This Book Is ForDatabase administrators who want to identify and resolve performance bottlenecks, those who want to learn more about how the SQL Server engine accesses and uses resources inside SQL Server, and administrators concerned with achieving—and knowing they have achieved—optimal performance