rahul batra (14 risultati)

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Taschenbuch. Condizione: Neu. SQL Primer | An Accelerated Introduction to SQL Basics | Rahul Batra | Taschenbuch | xvii | Englisch | 2018 | Apress | EAN 9781484235751 | Verantwortliche Person für die EU: APress in Springer Science + Business Media, Heidelberger Platz 3, 14197 Berlin, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

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Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Build a core level of competency in SQL so you can recognize the parts of queries and write simple SQL statements. SQL knowledge is essential for anyone involved in programming, data science, and data management. This book covers features of SQL that are standardized and common across most database vendors. You will gain a base of knowledge that will prepare you to go deeper into the specifics of any database product you might encounter.Examples in the book are worked in PostgreSQL and SQLite, but the bulk of the examples are platform agnostic and will work on any database platform supporting SQL. Early in the book you learn about table design, the importance of keys as row identifiers, and essential query operations. You then move into more advanced topics such as grouping and summarizing, creating calculated fields, joining data from multiple tables when it makes business sense to do so, and more. Throughout the book, you are exposed to a set-based approach to the language and are provided a good grounding in subtle but important topics such as the effects of null value on query results.With the explosion of data science, SQL has regained its prominence as a top skill to have for technologists and decision makers worldwide. SQL Primer will guide you from the very basics of SQL through to the mainstream features you need to have a solid, working knowledge of this important, data-oriented language.What You'll LearnCreate and populate your own database tablesRead SQL queries and understand what they are doingExecute queries that get correct resultsBring together related rows from multiple tablesGroup and sort data in support of reporting applicationsGet a grip on nulls, normalization, and other key conceptsEmploy subqueries, unions, and other advanced featuresWho This Book Is ForAnyone new to SQL who is looking for step-by-step guidance toward understanding and writing SQL queries. The book is aimed at those who encounter SQL statements often in their work, and provides a sound baseline useful across all SQL database systems. Programmers, database managers, data scientists, and business analysts all can benefit from the baseline of SQL knowledge provided in this book. 212 pp. Englisch.

Kartoniert / Broschiert. Condizione: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Tagline: Add a core competency to your skill set that every programmer, system administrator, database administrator, and data scientist should have.|Provides a foundation in the most important language when working with dataFocuses on t.

Taschenbuch. Condizione: Neu. This item is printed on demand - Print on Demand Titel. Neuware -The recent surge of interest in data science has propelled the SQL language to the top of the list of languages for anyone working with data to learn and have in their proverbial toolbelt. This book provides a foundation in the SQL language that will benefit programmers, database administrators, data scientists, and others . The book is short and sweet, focusing on the most-used parts of SQL without getting bogged down in arcane details or vendor-specific features. The book teaches a database agnostic SQL that works on almost any database system, and provides a sound foundation on which to build one's expertise in the language.Springer-Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg 212 pp. Englisch.

Taschenbuch. Condizione: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Build a core level of competency in SQL so you can recognize the parts of queries and write simple SQL statements. SQL knowledge is essential for anyone involved in programming, data science, and data management. This book covers features of SQL that are standardized and common across most database vendors. You will gain a base of knowledge that will prepare you to go deeper into the specifics of any database product you might encounter.Examples in the book are worked in PostgreSQL and SQLite, but the bulk of the examples are platform agnostic and will work on any database platform supporting SQL. Early in the book you learn about table design, the importance of keys as row identifiers, and essential query operations. You then move into more advanced topics such as grouping and summarizing, creating calculated fields, joining data from multiple tables when it makes business sense to do so, and more. Throughout the book, you are exposed to a set-based approachto the language and are provided a good grounding in subtle but important topics such as the effects of null value on query results.With the explosion of data science, SQL has regained its prominence as a top skill to have for technologists and decision makers worldwide. SQL Primer will guide you from the very basics of SQL through to the mainstream features you need to have a solid, working knowledge of this important, data-oriented language.What You'll LearnCreate and populate your own database tablesRead SQL queries and understand what they are doingExecute queries that get correct resultsBring together related rows from multiple tablesGroup and sort data in support of reporting applicationsGet a grip on nulls, normalization, and other key conceptsEmploy subqueries, unions, and other advanced featuresWho This Book Is ForAnyone new to SQL who is looking for step-by-step guidance toward understanding and writing SQL queries. The book is aimed at those who encounter SQL statements often in their work, and provides a sound baseline useful across all SQL database systems. Programmers, database managers, data scientists, and business analysts all can benefit from the baseline of SQL knowledge provided in this book.