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T-SQL Querying

Author : Itzik Ben-Gan
Publisher : Microsoft Press
ISBN 13 : 0133986624
Total Pages : 865 pages
Book Rating : 4.1/5 (339 download)

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Book Synopsis T-SQL Querying by : Itzik Ben-Gan

Download or read book T-SQL Querying written by Itzik Ben-Gan and published by Microsoft Press. This book was released on 2015-02-17 with total page 865 pages. Available in PDF, EPUB and Kindle. Book excerpt: T-SQL insiders help you tackle your toughest queries and query-tuning problems Squeeze maximum performance and efficiency from every T-SQL query you write or tune. Four leading experts take an in-depth look at T-SQL’s internal architecture and offer advanced practical techniques for optimizing response time and resource usage. Emphasizing a correct understanding of the language and its foundations, the authors present unique solutions they have spent years developing and refining. All code and techniques are fully updated to reflect new T-SQL enhancements in Microsoft SQL Server 2014 and SQL Server 2012. Write faster, more efficient T-SQL code: Move from procedural programming to the language of sets and logic Master an efficient top-down tuning methodology Assess algorithmic complexity to predict performance Compare data aggregation techniques, including new grouping sets Efficiently perform data-analysis calculations Make the most of T-SQL’s optimized bulk import tools Avoid date/time pitfalls that lead to buggy, poorly performing code Create optimized BI statistical queries without additional software Use programmable objects to accelerate queries Unlock major performance improvements with In-Memory OLTP Master useful and elegant approaches to manipulating graphs About This Book For experienced T-SQL practitioners Includes coverage updated from Inside Microsoft SQL Server 2008 T-SQL Querying and Inside Microsoft SQL Server 2008 T-SQL Programming Valuable to developers, DBAs, BI professionals, and data scientists Covers many MCSE 70-464 and MCSA/MCSE 70-461 exam topics

Learn T-SQL Querying

Author : Pedro Lopes
Publisher : Packt Publishing Ltd
ISBN 13 : 178934297X
Total Pages : 474 pages
Book Rating : 4.7/5 (893 download)

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Book Synopsis Learn T-SQL Querying by : Pedro Lopes

Download or read book Learn T-SQL Querying written by Pedro Lopes and published by Packt Publishing Ltd. This book was released on 2019-05-03 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Troubleshoot query performance issues, identify anti-patterns in code, and write efficient T-SQL queries Key Features Discover T-SQL functionalities and services that help you interact with relational databases Understand the roles, tasks, and responsibilities of a T-SQL developer Explore solutions for carrying out database querying tasks, database administration, and troubleshooting Book DescriptionTransact-SQL (T-SQL) is Microsoft's proprietary extension to the SQL language used with Microsoft SQL Server and Azure SQL Database. This book will be a usefu to learning the art of writing efficient T-SQL code in modern SQL Server versions as well as the Azure SQL Database. The book will get you started with query processing fundamentals to help you write powerful, performant T-SQL queries. You will then focus on query execution plans and leverage them for troubleshooting. In later chapters, you will explain how to identify various T-SQL patterns and anti-patterns. This will help you analyze execution plans to gain insights into current performance, and determine whether or not a query is scalable. You will also build diagnostic queries using dynamic management views (DMVs) and dynamic management functions (DMFs) to address various challenges in T-SQL execution. Next, you will work with the built-in tools of SQL Server to shorten the time taken to address query performance and scalability issues. In the concluding chapters, this will guide you through implementing various features, such as Extended Events, Query Store, and Query Tuning Assistant, using hands-on examples. By the end of the book, you will have developed the skills to determine query performance bottlenecks, avoid pitfalls, and discover the anti-patterns in use.What you will learn Use Query Store to understand and easily change query performance Recognize and eliminate bottlenecks that lead to slow performance Deploy quick fixes and long-term solutions to improve query performance Implement best practices to minimize performance risk using T-SQL Achieve optimal performance by ensuring careful query and index design Use the latest performance optimization features in SQL Server 2017 and SQL Server 2019 Protect query performance during upgrades to newer versions of SQL Server Who this book is for This book is for database administrators, database developers, data analysts, data scientists, and T-SQL practitioners who want to get started with writing T-SQL code and troubleshooting query performance issues with the help of practical examples. Previous knowledge of T-SQL querying is not required to get started with this book.

Inside Microsoft SQL Server 2008

Author : Itzik Ben-Gan
Publisher :
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.3/5 (97 download)

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Book Synopsis Inside Microsoft SQL Server 2008 by : Itzik Ben-Gan

Download or read book Inside Microsoft SQL Server 2008 written by Itzik Ben-Gan and published by . This book was released on 2009 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tackle the toughest set-based querying and query tuning problems--guided by an author team with in-depth, inside knowledge of T-SQL. Deepen your understanding of architecture and internals--and gain practical approaches and advanced techniques to optimize your code's performance. Discover how to: Move from procedural programming to the language of sets and logic Optimize query tuning with a top-down methodology Assess algorithmic complexity to predict performance Compare data-aggregation techniques, including new grouping sets Manage data modification--insert, delete, update, merge--for performance Write more efficient queries against partitioned tables Work with graphs, trees, hierarchies, and recursive queries Plus--Use pure-logic puzzles to sharpen your problem-solving skills

Exam Ref 70-761 Querying Data with Transact-SQL

Author : Itzik Ben-Gan
Publisher : Microsoft Press
ISBN 13 : 1509304355
Total Pages : 572 pages
Book Rating : 4.5/5 (93 download)

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Book Synopsis Exam Ref 70-761 Querying Data with Transact-SQL by : Itzik Ben-Gan

Download or read book Exam Ref 70-761 Querying Data with Transact-SQL written by Itzik Ben-Gan and published by Microsoft Press. This book was released on 2017-04-04 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prepare for Microsoft Exam 70-761–and help demonstrate your real-world mastery of SQL Server 2016 Transact-SQL data management, queries, and database programming. Designed for experienced IT professionals ready to advance their status, Exam Ref focuses on the critical-thinking and decision-making acumen needed for success at the MCSA level. Focus on the expertise measured by these objectives: • Filter, sort, join, aggregate, and modify data • Use subqueries, table expressions, grouping sets, and pivoting • Query temporal and non-relational data, and output XML or JSON • Create views, user-defined functions, and stored procedures • Implement error handling, transactions, data types, and nulls This Microsoft Exam Ref: • Organizes its coverage by exam objectives • Features strategic, what-if scenarios to challenge you • Assumes you have experience working with SQL Server as a database administrator, system engineer, or developer • Includes downloadable sample database and code for SQL Server 2016 SP1 (or later) and Azure SQL Database Querying Data with Transact-SQL About the Exam Exam 70-761 focuses on the skills and knowledge necessary to manage and query data and to program databases with Transact-SQL in SQL Server 2016. About Microsoft Certification Passing this exam earns you credit toward a Microsoft Certified Solutions Associate (MCSA) certification that demonstrates your mastery of essential skills for building and implementing on-premises and cloud-based databases across organizations. Exam 70-762 (Developing SQL Databases) is also required for MCSA: SQL 2016 Database Development certification. See full details at: microsoft.com/learning

T-SQL Window Functions

Author : Itzik Ben-Gan
Publisher : Microsoft Press
ISBN 13 : 0135861624
Total Pages : 711 pages
Book Rating : 4.1/5 (358 download)

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Book Synopsis T-SQL Window Functions by : Itzik Ben-Gan

Download or read book T-SQL Window Functions written by Itzik Ben-Gan and published by Microsoft Press. This book was released on 2019-10-18 with total page 711 pages. Available in PDF, EPUB and Kindle. Book excerpt: Use window functions to write simpler, better, more efficient T-SQL queries Most T-SQL developers recognize the value of window functions for data analysis calculations. But they can do far more, and recent optimizations make them even more powerful. In T-SQL Window Functions, renowned T-SQL expert Itzik Ben-Gan introduces breakthrough techniques for using them to handle many common T-SQL querying tasks with unprecedented elegance and power. Using extensive code examples, he guides you through window aggregate, ranking, distribution, offset, and ordered set functions. You’ll find a detailed section on optimization, plus an extensive collection of business solutions — including novel techniques available in no other book. Microsoft MVP Itzik Ben-Gan shows how to: • Use window functions to improve queries you previously built with predicates • Master essential SQL windowing concepts, and efficiently design window functions • Effectively utilize partitioning, ordering, and framing • Gain practical in-depth insight into window aggregate, ranking, offset, and statistical functions • Understand how the SQL standard supports ordered set functions, and find working solutions for functions not yet available in the language • Preview advanced Row Pattern Recognition (RPR) data analysis techniques • Optimize window functions in SQL Server and Azure SQL Database, making the most of indexing, parallelism, and more • Discover a full library of window function solutions for common business problems About This Book • For developers, DBAs, data analysts, data scientists, BI professionals, and power users familiar with T-SQL queries • Addresses any edition of the SQL Server 2019 database engine or later, as well as Azure SQL Database Get all code samples at: MicrosoftPressStore.com/TSQLWindowFunctions/downloads

Beginning SQL Queries

Author : Clare Churcher
Publisher : Apress
ISBN 13 : 1484219554
Total Pages : 250 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Beginning SQL Queries by : Clare Churcher

Download or read book Beginning SQL Queries written by Clare Churcher and published by Apress. This book was released on 2016-07-06 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beginning Queries with SQL is a friendly and easily read guide to writing queries with the all-important — in the database world — SQL language. Anyone who does any work at all with databases needs to know something of SQL, and that is evidenced by the strong sales of such books as Learning SQL (O'Reilly) and SQL Queries for Mere Mortals (Pearson). Beginning Queries with SQL is written by the author of Beginning Database Design, an author who is garnering great reviews on Amazon due to the clarity and succinctness of her writing.

Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions

Author : Itzik Ben-Gan
Publisher : Pearson Education
ISBN 13 : 0735673950
Total Pages : 442 pages
Book Rating : 4.7/5 (356 download)

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Book Synopsis Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions by : Itzik Ben-Gan

Download or read book Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions written by Itzik Ben-Gan and published by Pearson Education. This book was released on 2012-07-15 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gain a solid understanding of T-SQL—and write better queries Master the fundamentals of Transact-SQL—and develop your own code for querying and modifying data in Microsoft SQL Server 2012. Led by a SQL Server expert, you’ll learn the concepts behind T-SQL querying and programming, and then apply your knowledge with exercises in each chapter. Once you understand the logic behind T-SQL, you’ll quickly learn how to write effective code—whether you’re a programmer or database administrator. Discover how to: Work with programming practices unique to T-SQL Create database tables and define data integrity Query multiple tables using joins and subqueries Simplify code and improve maintainability with table expressions Implement insert, update, delete, and merge data modification strategies Tackle advanced techniques such as window functions, pivoting and grouping sets Control data consistency using isolation levels, and mitigate deadlocks and blocking Take T-SQL to the next level with programmable objects

SQL Queries for Mere Mortals

Author : John L. Viescas
Publisher : Pearson Education
ISBN 13 : 0321992474
Total Pages : 792 pages
Book Rating : 4.3/5 (219 download)

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Book Synopsis SQL Queries for Mere Mortals by : John L. Viescas

Download or read book SQL Queries for Mere Mortals written by John L. Viescas and published by Pearson Education. This book was released on 2014 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a guide to writing effective SQL queries, from simple data selection and filtering to joining multiple tables and modifying sets of data, with information on how to solve a variety of challenging SQL problems.

Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions

Author : Itzik Ben-Gan
Publisher : Pearson Education
ISBN 13 : 0735672547
Total Pages : 442 pages
Book Rating : 4.7/5 (356 download)

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Book Synopsis Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions by : Itzik Ben-Gan

Download or read book Microsoft SQL Server 2012 High-Performance T-SQL Using Window Functions written by Itzik Ben-Gan and published by Pearson Education. This book was released on 2012-04-15 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apply powerful window functions in T-SQL—and increase the performance and speed of your queries Optimize your queries—and obtain simple and elegant solutions to a variety of problems—using window functions in Transact-SQL. Led by T-SQL expert Itzik Ben-Gan, you’ll learn how to apply calculations against sets of rows in a flexible, clear, and efficient manner. Ideal whether you’re a database administrator or developer, this practical guide demonstrates ways to use more than a dozen T-SQL querying solutions to address common business tasks. Discover how to: Go beyond traditional query approaches to express set calculations more efficiently Delve into ordered set functions such as rank, distribution, and offset Implement hypothetical set and inverse distribution functions in standard SQL Use strategies for improving sequencing, paging, filtering, and pivoting Increase query speed using partitioning, ordering, and coverage indexing Apply new optimization iterators such as Window Spool Handle common issues such as running totals, intervals, medians, and gaps

SQL Server Query Performance Tuning

Author : Grant Fritchey
Publisher : Apress
ISBN 13 : 1430267429
Total Pages : 593 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis SQL Server Query Performance Tuning by : Grant Fritchey

Download or read book SQL Server Query Performance Tuning written by Grant Fritchey and published by Apress. This book was released on 2014-09-16 with total page 593 pages. Available in PDF, EPUB and Kindle. Book excerpt: Queries not running fast enough? Wondering about the in-memory database features in 2014? Tired of phone calls from frustrated users? Grant Fritchey’s book SQL Server Query Performance Tuning is the answer to your SQL Server query performance problems. The book is revised to cover the very latest in performance optimization features and techniques, especially including the newly-added, in-memory database features formerly known under the code name Project Hekaton. This book provides the tools you need to approach your queries with performance in mind. SQL Server Query Performance Tuning leads you through understanding the causes of poor performance, how to identify them, and how to fix them. You’ll learn to be proactive in establishing performance baselines using tools like Performance Monitor and Extended Events. You’ll learn to recognize bottlenecks and defuse them before the phone rings. You’ll learn some quick solutions too, but emphasis is on designing for performance and getting it right, and upon heading off trouble before it occurs. Delight your users. Silence that ringing phone. Put the principles and lessons from SQL Server Query Performance Tuning into practice today. Covers the in-memory features from Project Hekaton Helps establish performance baselines and monitor against them Guides in troubleshooting and eliminating of bottlenecks that frustrate users

Learn T-SQL From Scratch

Author : Brahmanand Shukla
Publisher : BPB Publications
ISBN 13 : 9391392415
Total Pages : 506 pages
Book Rating : 4.3/5 (913 download)

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Book Synopsis Learn T-SQL From Scratch by : Brahmanand Shukla

Download or read book Learn T-SQL From Scratch written by Brahmanand Shukla and published by BPB Publications. This book was released on 2021-11-20 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advance your career as an SQL Server developer and DBA KEY FEATURES ● Cutting-edge coverage from community experts to learn T-SQL programming. ● Detailed explanation of concepts and techniques for easy understanding. ● Numerous practical demonstrations of T-SQL querying and programming applications. DESCRIPTION This book will teach you the fundamentals of SQL, SQL Server, databases, and how to write queries and programs using T-SQL. After reading this book, you will be able to create, modify, and delete databases, tables, and indexes. You can practice querying the data and running complex analytics on it. You will also be able to add, delete, and modify procedures, user-defined functions, triggers, and views. The journey of learning T-SQL with this book begins with an understanding of SQL and database fundamentals. You'll explore the SQL Server Management Studio (SSMS) used for developing and managing SQL Server databases. You'll then learn how to use DDL statements to create, modify and delete tables and indexes. Gradually, you'll be able to query in T-SQL using DML statements, joins, and various built-in functions. Successively, you'll learn XML and JSON data processing, and by the time you'll reach the end of this book, you will learn to program in SQL Server and various strategies to deploy your databases and programs. Throughout the book, you'll learn through simple examples and straightforward explanations, diagrams, and numerous real-world use-cases. WHAT YOU WILL LEARN ● Concise understanding of relational databases and the SQL Server. ● Learn how to create database tables and indexes using T-SQL. ● Learn to add, modify, and delete records. ● Practice how to slice and dice data by running smart T-SQL queries. ● Perform advanced analytical analysis using various functions. ● Discover Error Handling and Transaction Management. ● Administer XML and JSON handling with T-SQL. ● Practice different deployment modes for T-SQL objects. WHO THIS BOOK IS FOR If you want to know how to design, develop, and maintain SQL Server databases and run sophisticated T-SQL queries without much hassle, this book is for you. Readers with a basic understanding of programming would have an advantage. TABLE OF CONTENTS 1. Getting started 2. Tables 3. Index 4. DML 5. Built-In Functions - Part 1 6. Join, Apply, and Subquery 7. Built-In Functions - Part 2 8. Dealing with XML and JSON 9. Variables and Control Flow Statements 10. Temporary Tables, CTE, and MERGE Statement 11. Error Handling and Transaction Management 12. Data Conversion, Cross Database, and Cross-Server Data Access 13. Programmability 14. Deployment

Expert T-SQL Window Functions in SQL Server

Author : Kathi Kellenberger
Publisher : Apress
ISBN 13 : 1484211030
Total Pages : 140 pages
Book Rating : 4.4/5 (842 download)

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Book Synopsis Expert T-SQL Window Functions in SQL Server by : Kathi Kellenberger

Download or read book Expert T-SQL Window Functions in SQL Server written by Kathi Kellenberger and published by Apress. This book was released on 2015-03-28 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert T-SQL Window Functions in SQL Server takes you from any level of knowledge of windowing functions and turns you into an expert who can use these powerful functions to solve many T-SQL queries. Replace slow cursors and self-joins with queries that are easy to write and fantastically better performing, all through the magic of window functions. First introduced in SQL Server 2005, window functions came into full blossom with SQL Server 2012. They truly are one of the most notable developments in SQL in a decade, and every developer and DBA can benefit from their expressive power in solving day-to-day business problems. Begin using windowing functions like ROW_NUMBER and LAG, and you will discover more ways to use them every day. You will approach SQL Server queries in a different way, thinking about sets of data instead of individual rows. Your queries will run faster, they will be easier to write, and they will be easier to deconstruct and maintain and enhance in the future. Just knowing and using these functions is not enough. You also need to understand how to tune the queries. Expert T-SQL Window Functions in SQL Server explains clearly how to get the best performance. The book also covers the rare cases when older techniques are the best bet. Stop using cursors and self-joins to solve complicated queries. Become a T-SQL expert by mastering windowing functions. Teaches you how to use all the window functions introduced in 2005 and 2012. Provides real-world examples that you can experiment with in your own database. Explains how to get the best performance when using windowing functions.

Learn T-SQL Querying

Author : Pedro Lopes
Publisher : Packt Publishing Ltd
ISBN 13 : 1837636834
Total Pages : 457 pages
Book Rating : 4.8/5 (376 download)

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Book Synopsis Learn T-SQL Querying by : Pedro Lopes

Download or read book Learn T-SQL Querying written by Pedro Lopes and published by Packt Publishing Ltd. This book was released on 2024-02-29 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Troubleshoot query performance issues, identify anti-patterns in your code, and write efficient T-SQL queries with this guide for T-SQL developers Key Features A definitive guide to mastering the techniques of writing efficient T-SQL code Learn query optimization fundamentals, query analysis, and how query structure impacts performance Discover insightful solutions to detect, analyze, and tune query performance issues Purchase of the print or Kindle book includes a free PDF eBook Book DescriptionData professionals seeking to excel in Transact-SQL (T-SQL) for Microsoft SQL Server and Azure SQL Database often lack comprehensive resources. This updated second edition of Learn T-SQL Querying focuses on indexing queries and crafting elegant T-SQL code, catering to all data professionals seeking mastery in modern SQL Server versions and Azure SQL Database. Starting with query processing fundamentals, this book lays a solid foundation for writing performant T-SQL queries. You’ll explore the mechanics of the Query Optimizer and Query Execution Plans, learning how to analyze execution plans for insights into current performance and scalability. Through dynamic management views (DMVs) and dynamic management functions (DMFs), you’ll build diagnostic queries. This book thoroughly covers indexing for T-SQL performance and provides insights into SQL Server’s built-in tools for expedited resolution of query performance and scalability issues. Further, hands-on examples will guide you through implementing features such as avoiding UDF pitfalls, understanding predicate SARGability, Query Store, and Query Tuning Assistant. By the end of this book, you‘ll have developed the ability to identify query performance bottlenecks, recognize anti-patterns, and skillfully avoid such pitfalls.What you will learn Identify opportunities to write well-formed T-SQL statements Familiarize yourself with the Cardinality Estimator for query optimization Create efficient indexes for your existing workloads Implement best practices for T-SQL querying Explore Query Execution Dynamic Management Views Utilize the latest performance optimization features in SQL Server 2017, 2019, and 2022 Safeguard query performance during upgrades to newer versions of SQL Server Who this book is for This book is for database administrators, database developers, data analysts, data scientists and T-SQL practitioners who want to master the art of writing efficient T-SQL code and troubleshooting query performance issues through practical examples. A basic understanding of T-SQL syntax, writing queries in SQL Server, and using the SQL Server Management Studio tool will be helpful to get started.

SQL Cookbook

Author : Anthony Molinaro
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596009763
Total Pages : 632 pages
Book Rating : 4.5/5 (96 download)

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Book Synopsis SQL Cookbook by : Anthony Molinaro

Download or read book SQL Cookbook written by Anthony Molinaro and published by "O'Reilly Media, Inc.". This book was released on 2006 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to SQL covers such topics as retrieving records, metadata queries, working with strings, data arithmetic, date manipulation, reporting and warehousing, and hierarchical queries.

Beginning T-SQL

Author : Kathi Kellenberger
Publisher : Apress
ISBN 13 : 9781484266052
Total Pages : 490 pages
Book Rating : 4.2/5 (66 download)

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Book Synopsis Beginning T-SQL by : Kathi Kellenberger

Download or read book Beginning T-SQL written by Kathi Kellenberger and published by Apress. This book was released on 2020-12-30 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get a performance-oriented introduction to the T-SQL language underlying the Microsoft SQL Server and Azure SQL database engines. This fourth edition is updated to include SQL Notebooks as well as up-to-date syntax and features for T-SQL on-premises and in the Azure cloud. Exercises and examples now include the WideWorldImporters database, the newest sample database from Microsoft for SQL Server. Also new in this edition is coverage of JSON from T-SQL, news about performance enhancements called Intelligent Query Processing, and an appendix on running SQL Server in a container on macOS or Linux. Beginning T-SQL starts you on the path to mastering T-SQL with an emphasis on best practices. Using the sound coding techniques taught in this book will lead to excellent performance in the queries that you write in your daily work. Important techniques such as windowing functions are covered to help you write fast-executing queries that solve real business problems.The book begins with an introduction to databases, normalization, and to setting up your learning environment. You will learn about the tools you need to use such as SQL Server Management Studio, Azure Data Studio, and SQL Notebooks. Each subsequent chapter teaches an aspect of T-SQL, building on the skills learned in previous chapters. Exercises in most chapters provide an opportunity for the hands-on practice that leads to true learning and distinguishes the competent professional. A stand-out feature in this book is that most chapters end with a Thinking About Performance section. These sections cover aspects of query performance relative to the content just presented, including the new Intelligent Query Processing features that make queries faster without changing code. They will help you avoid beginner mistakes by knowing about and thinking about performance from day 1. What You Will Learn Install a sandboxed SQL Server instance for learning Understand how relational databases are designed Create objects such as tables and stored procedures Query a SQL Server table Filter and order the results of a query Query and work with specialized data types such as XML and JSON Apply modern features such as window functions Choose correct techniques so that your queries perform well Who This Book Is For Anyone who wants to learn T-SQL from the beginning or improve their T-SQL skills; those who need T-SQL as an additional skill; and those who write queries such as application developers, database administrators, business intelligence developers, and data scientists. The book is also helpful for anyone who must retrieve data from a SQL Server database.

Inside the SQL Server Query Optimizer

Author : Benjamin Nevarez
Publisher :
ISBN 13 : 9781906434601
Total Pages : 272 pages
Book Rating : 4.4/5 (346 download)

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Book Synopsis Inside the SQL Server Query Optimizer by : Benjamin Nevarez

Download or read book Inside the SQL Server Query Optimizer written by Benjamin Nevarez and published by . This book was released on 2011-03 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The SQL Server Query Optimizer is perceived by many to be a magic black box, transforming SQL queries into high performance execution plans in the blink of an eye through some unknowable process. The truth is that, while the Query Optimizer is indeed the highly-complex result of decades of research, learning how it works its magic is not only possible, but immensely useful to DBAs and Developers alike. A better understanding of what the Query Optimizer does behind the scenes can help you to improve the performance of your databases and applications, and this book explains the core concepts behind how the SQL Server Query Optimizer works. With this knowledge, you'll be able to write superior queries, provide the Query Optimizer with all the information it needs to produce efficient execution plans, and troubleshoot the cases when the Query Optimizer is not giving you the best plan possible. With over 15 years of experience in the use of Relational Databases (including SQL Server since version 6.5), Benjamin has watched the SQL Server Query Optimizer grow and evolve. His insight will leave you with an excellent foundation in the practicalities of the Query Optimizer, and everything you need to know to start tuning your queries to perfection.

Effective SQL

Author : John L. Viescas
Publisher : Addison-Wesley Professional
ISBN 13 : 0134579062
Total Pages : 660 pages
Book Rating : 4.1/5 (345 download)

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Book Synopsis Effective SQL by : John L. Viescas

Download or read book Effective SQL written by John L. Viescas and published by Addison-Wesley Professional. This book was released on 2017-01-09 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: Effective SQL brings together the hands-on solutions and practical insights you need to solve a wide range of complex problems with SQL, and to design databases that make it far easier to manage data in the future. Leveraging the proven format of the best-selling Effective series, it focuses on providing clear, practical explanations, expert tips, and plenty of realistic examples -- all in full color. Drawing on their immense experience as consultants and instructors, three world-class database experts identify specific challenges, and distill each solution into five pages or less. Throughout, they provide well-annotated SQL code designed for all leading platforms, as well as code for specific implementations ranging from SQL Server to Oracle and MySQL, wherever these vary or permit you to achieve your goal more efficiently. Going beyond mere syntax, the authors also show how to avoid poor database design that makes it difficult to write effective SQL, how to improve suboptimal designs, and how to work around designs you can't change. You'll also find detailed sections on filtering and finding data, aggregation, subqueries, and metadata, as well as specific solutions for everything from listing products to scheduling events and defining data hierarchies. Simply put, if you already know the basics of SQL, Effective SQL will help you become a world-class SQL problem-solver.