Real Sql Queries

Author: Brian Cohen
Publisher: Createspace Independent Publishing Platform
ISBN: 9781979935012
Size: 68.37 MB
Format: PDF
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Sharpen your SQL Skill with Real-World Practice. Queries improve when challenges are authentic. This book sets your learning on the fast track with realistic problems to solve. Topics span sales, marketing, human resources, purchasing, and production. Real SQL Queries: 50 Challenges is perfect for analysts, report writers, or anyone searching for a hands-on approach to learning SQL Server. Why this Book? Get Started Quickly. All challenges are based on AdventureWorks2012, Microsoft's universally-accessible sample database. AdventureWorks is free to download and intuitive to explore. Solve Real Problems. Studying concepts is useful, but nothing accelerates skill faster than a hands-on, problem-solution approach. Learn by Example. Every challenge includes a fully documented solution. Lots of Helping Hands. Not sure how to begin? Each question includes a hint to set you in the right direction. Something for Everyone. Difficulty varies from challenge to challenge; it's truly a mixed bag. Freshen your Technique. Solutions exhibit a wide range of functions and approaches, so you're sure to find something new. Your Teaching Companion. Ready-to-go material for SQL tutors, trainers, and college professors. Preview of Challenges to Solve: Year over Year Comparisons: An executive requests data concerning fiscal quarter sales by salesperson. She'd like to see comparisons from the fiscal quarters of 2008 to the same fiscal quarters of 2007. Ten Million Dollar Benchmark: Ten million dollars of revenue is a common benchmark for Adventure Works. For each fiscal year (2007 and 2008) find the first dates when the cumulative running revenue total hit $10 million. Expired Credit Cards: The Accounting department found instances where expired credit cards were used with sales orders. You are asked examine all credit cards and report the extent of such activity. The Mentors: The Vice President of Sales wants the five most successful sales people to mentor the five least successful sales people. Create a list of sales people to match with one another. Online/Offline: Create a summary table that shows, by territory, the percentage of orders placed online in comparison to orders not placed online. The Second Edition includes more material than before. Contrary to the book's title, there are now 55 challenges to solve!

Image Processing And Communications Challenges 5

Author: Ryszard S. Choraś
Publisher: Springer Science & Business Media
ISBN: 3319016229
Size: 35.41 MB
Format: PDF, Docs
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This textbook collects a series of research papers in the area of Image Processing and Communications which not only introduce a summary of current technology but also give an outlook of potential feature problems in this area. The key objective of the book is to provide a collection of comprehensive references on some recent theoretical development as well as novel applications in image processing and communications. The book is divided into two parts. Part I deals with image processing. A comprehensive survey of different methods of image processing, computer vision is also presented. Part II deals with the telecommunications networks and computer networks. Applications in these areas are considered. In conclusion, the edited book comprises papers on diverse aspects of image processing and communications systems. There are theoretical aspects as well as application papers.

Advances In Computational Intelligence Systems

Author: Plamen Angelov
Publisher: Springer
ISBN: 3319465627
Size: 41.74 MB
Format: PDF, ePub
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The book is a timely report on advanced methods and applications of computational intelligence systems. It covers a long list of interconnected research areas, such as fuzzy systems, neural networks, evolutionary computation, evolving systems and machine learning. The individual chapters are based on peer-reviewed contributions presented at the 16th Annual UK Workshop on Computational Intelligence, held on September 7-9, 2016, in Lancaster, UK. The book puts a special emphasis on novels methods and reports on their use in a wide range of applications areas, thus providing both academics and professionals with a comprehensive and timely overview of new trends in computational intelligence.

Proceedings Of The 7th International Conference On Emerging Databases

Author: Wookey Lee
Publisher: Springer
ISBN: 9811065209
Size: 35.86 MB
Format: PDF, ePub, Docs
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This proceedings volume presents selected papers from the 7th International Conference on Emerging Databases: Technologies, Applications, and Theory (EDB 2017), which was held in Busan, Korea from 7 to 9 August, 2017. This conference series was launched by the Korean Institute of Information Scientists and Engineers (KIISE) Database Society of Korea as an annual forum for exploring novel technologies, applications, and research advances in the field of emerging databases. This forum has evolved into the premier international venue for researchers and practitioners to discuss current research issues, challenges, new technologies, and solutions.

Practical Guide To Sap Hana And Big Data Analytics

Author: Dominique Alfermann
Publisher: Espresso Tutorials GmbH
ISBN: 3960128649
Size: 45.75 MB
Format: PDF, ePub
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In this book written for SAP BI, big data, and IT architects, the authors expertly provide clear recommendations for building modern analytics architectures running on SAP HANA technologies. Explore integration with big data frameworks and predictive analytics components. Obtain the tools you need to assess possible architecture scenarios and get guidelines for choosing the best option for your organization. Know your options for on-premise, in the cloud, and hybrid solutions. Readers will be guided through SAP BW/4HANA and SAP HANA native data warehouse scenarios, as well as field-tested integration options with big data platforms. Explore migration options and architecture best practices. Consider organizational and procedural changes resulting from the move to a new, up-to-date analytics architecture that supports your data-driven or data-informed organization. By using practical examples, tips, and screenshots, this book explores: - SAP HANA and SAP BW/4HANA architecture concepts - Predictive Analytics and Big Data component integration - Recommendations for a sustainable, future-proof analytics solutions - Organizational impact and change management

Expert Oracle Rac Performance Diagnostics And Tuning

Author: Murali Vallath
Publisher: Apress
ISBN: 1430267100
Size: 16.87 MB
Format: PDF, Docs
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Expert Oracle RAC Performance Diagnostics and Tuning provides comprehensive coverage of the features, technology and principles for testing and tuning RAC databases. The book takes a deep look at optimizing RAC databases by following a methodical approach based on scientific analysis rather than using a speculative approach, twisting and turning knobs and gambling on the system. The book starts with the basic concepts of tuning methodology, capacity planning, and architecture. Author Murali Vallath then dissects the various tiers of the testing implementation, including the operating system, the network, the application, the storage, the instance, the database, and the grid infrastructure. He also introduces tools for performance optimization and thoroughly covers each aspect of the tuning process, using many real-world examples, analyses, and solutions from the field that provide you with a solid, practical, and replicable approach to tuning a RAC environment. The book concludes with troubleshooting guidance and quick reference of all the scripts used in the book. Expert Oracle RAC Performance Diagnostics and Tuning covers scenarios and details never discussed before in any other performance tuning books. If you have a RAC database, this book is a requirement. Get your copy today. Takes you through optimizing the various tiers of the RAC environment. Provides real life case studies, analysis and solutions from the field. Maps a methodical approach to testing, tuning and diagnosing the cluster

Einf Hrung In Sql

Author: Alan Beaulieu
Publisher: O'Reilly Germany
ISBN: 3897219387
Size: 62.79 MB
Format: PDF, Mobi
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SQL kann Spaß machen! Es ist ein erhebendes Gefühl, eine verworrene Datenmanipulation oder einen komplizierten Report mit einer einzigen Anweisung zu bewältigen und so einen Haufen Arbeit vom Tisch zu bekommen. Einführung in SQL bietet einen frischen Blick auf die Sprache, deren Grundlagen jeder Entwickler beherrschen muss. Die aktualisierte 2. Auflage deckt die Versionen MySQL 6.0, Oracle 11g und Microsoft SQL Server 2008 ab. Außerdem enthält sie neue Kapitel zu Views und Metadaten. SQL-Basics - in null Komma nichts durchstarten: Mit diesem leicht verständlichen Tutorial können Sie SQL systematisch und gründlich lernen, ohne sich zu langweilen. Es führt Sie rasch durch die Basics der Sprache und vermittelt darüber hinaus eine Reihe von häufig genutzten fortgeschrittenen Features. Mehr aus SQL-Befehlen herausholen: Alan Beaulieu will mehr vermitteln als die simple Anwendung von SQL-Befehlen: Er legt Wert auf ein tiefes Verständnis der SQL-Features und behandelt daher auch den Umgang mit Mengen, Abfragen innerhalb von Abfragen oder die überaus nützlichen eingebauten Funktionen von SQL. Die MySQL-Beispieldatenbank: Es gibt zwar viele Datenbankprodukte auf dem Markt, aber welches wäre zum Erlernen von SQL besser geeignet als MySQL, das weit verbreitete relationale Datenbanksystem? Der Autor hilft Ihnen, eine MySQL-Datenbank anzulegen, und nutzt diese für die Beispiele in diesem Buch. Übungen mit Lösungen: Zu jedem Thema finden Sie im Buch gut durchdachte Übungen mit Lösungen. So ist sichergestellt, dass Sie schnell Erfolgserlebnisse haben und das Gelernte auch praktisch umsetzen können.

T Sql Querying

Author: Itzik Ben-Gan
Publisher: Microsoft Press
ISBN: 0133986624
Size: 39.82 MB
Format: PDF, Kindle
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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