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Author: Hafizur Rahman
Publisher: Independently Published
ISBN: 9781795478298
Category : Computers
Languages : en
Pages : 364
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Book Description
Are you getting ready for your new job? Data analysis and presentation is one of the most in-demand job skills right now. Knowing SQL syntaxes and applying them to the real world problems will give you advantage in your career. Whether you are going to start a new job, or you are a database administrator, developer of web or mobile applications, or you are engaged in a similar business applications role, a good understanding of SQL is essential for communicating with modern database systems. The point is that, if you are working with data, you definitely need to know SQL. There are plenty of resources regarding SQL syntaxes, but it is difficult to find resources that shows how to apply these syntaxes for solving real world business problems. This book is filling this gap. This book is for anyone who has little to no knowledge about databases or SQL and would like to become an expert in it. The lessons and practice scenarios in this book are designed to teach a total beginner how to build a complete database from scratch using SQL. For those of you who are not novices, we recommend this book as a valuable resource for: Application developers who want to learn how to write SQL on their own rather than rely on a database developer to do it for them Application developers who want to become a solution designer/architect by becoming proficient in database design and SQL Data analysts, data architects, report analysts or report developers who have to answer a lot of business questions and want to use SQL to answer those questions Application users who want to go the extra mile and find answers to their own questions using SQL Anyone who is an expert in one database tool and wants to become an expert in another database tool Business users or project managers who would like to know how to talk to technical people (such as those mentioned above) Anyone who can write SQL but doesn't know how to design a database from a business case In short, if you want to take a more active role in how your database powers your business, the SQL skills taught in this book will give you an advantage in your career. You will learn how to: Create data model for your business Convert data model into physical database Insert, update and delete data Solve real world problems related to data Recover your data from disaster Table of Contents A Basic Vocabulary of Database Design & SQL The E-commerce Site Case Study Installing SQL Tools Converting a logical data model into a physical database Manipulating Data Retrieving Static Data without a Table Retrieving All Rows from a Table Retrieving subset of rows from a table Summarizing Retrieved Rows from a Table Retrieving and Summarizing Data from Multiple Tables Using Inner Join Retrieving and summarizing data from multiple tables using Outer Join Retrieving and Summarizing Data from Multiple Tables Using UNION Working with Views Comparing Data Between Rows Within the Same Table or Result Set Using Self-Join Working with Flow-control Statements Working with Stored Procedures Working with Triggers Improving query performance using indexes Backing up and restoring a database Appendix A Solutions to the Practice Business Problems
Author: Hafizur Rahman
Publisher: Independently Published
ISBN: 9781795478298
Category : Computers
Languages : en
Pages : 364
Get Book Here
Book Description
Are you getting ready for your new job? Data analysis and presentation is one of the most in-demand job skills right now. Knowing SQL syntaxes and applying them to the real world problems will give you advantage in your career. Whether you are going to start a new job, or you are a database administrator, developer of web or mobile applications, or you are engaged in a similar business applications role, a good understanding of SQL is essential for communicating with modern database systems. The point is that, if you are working with data, you definitely need to know SQL. There are plenty of resources regarding SQL syntaxes, but it is difficult to find resources that shows how to apply these syntaxes for solving real world business problems. This book is filling this gap. This book is for anyone who has little to no knowledge about databases or SQL and would like to become an expert in it. The lessons and practice scenarios in this book are designed to teach a total beginner how to build a complete database from scratch using SQL. For those of you who are not novices, we recommend this book as a valuable resource for: Application developers who want to learn how to write SQL on their own rather than rely on a database developer to do it for them Application developers who want to become a solution designer/architect by becoming proficient in database design and SQL Data analysts, data architects, report analysts or report developers who have to answer a lot of business questions and want to use SQL to answer those questions Application users who want to go the extra mile and find answers to their own questions using SQL Anyone who is an expert in one database tool and wants to become an expert in another database tool Business users or project managers who would like to know how to talk to technical people (such as those mentioned above) Anyone who can write SQL but doesn't know how to design a database from a business case In short, if you want to take a more active role in how your database powers your business, the SQL skills taught in this book will give you an advantage in your career. You will learn how to: Create data model for your business Convert data model into physical database Insert, update and delete data Solve real world problems related to data Recover your data from disaster Table of Contents A Basic Vocabulary of Database Design & SQL The E-commerce Site Case Study Installing SQL Tools Converting a logical data model into a physical database Manipulating Data Retrieving Static Data without a Table Retrieving All Rows from a Table Retrieving subset of rows from a table Summarizing Retrieved Rows from a Table Retrieving and Summarizing Data from Multiple Tables Using Inner Join Retrieving and summarizing data from multiple tables using Outer Join Retrieving and Summarizing Data from Multiple Tables Using UNION Working with Views Comparing Data Between Rows Within the Same Table or Result Set Using Self-Join Working with Flow-control Statements Working with Stored Procedures Working with Triggers Improving query performance using indexes Backing up and restoring a database Appendix A Solutions to the Practice Business Problems
Author: Vaibhav S Dantale
Publisher: IBM Redbooks
ISBN: 0738437239
Category : Computers
Languages : en
Pages : 148
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Book Description
The world is becoming more and more instrumented, interconnected, and intelligent in what IBM® terms a smarter planet, with more and more data being collected for analysis. In trade magazines, this trend is called big data. As part of this trend, the following types of time-based information are collected: Large data centers support a corporation or provide cloud services. These data centers need to collect temperature, humidity, and other types of information over time to optimize energy usage. Utility meters (referred to as smart meters) allow utility companies to collect information over a wireless network and to collect more data than ever before. IBM Informix® TimeSeries is optimized for the processing of time-based data and can provide the following benefits: Storage savings: Storage can be optimized when you know the characteristics of your time-based data. Informix TimeSeries often uses one third of the storage space that is required by a standard relational database. Query performance: Informix TimeSeries takes into consideration the type of data to optimize its organization on disk and eliminates the need for some large indexes and additional sorting. For these reasons and more, some queries can easily have an order of magnitude performance improvement compared to standard relational. Simpler queries: Informix TimeSeries includes a large set of specialized functions that allow you to better express the processing that you want to execute. It even provides a toolkit so that you can add proprietary algoritms to the library. This IBM Redbooks® publication is for people who want to implement a solution that revolves around time-based data. It gives you the information that you need to get started and be productive with Informix TimeSeries.
Author: Sylvia Moestl Vasilik
Publisher: Createspace Independent Publishing Platform
ISBN: 9781540422651
Category :
Languages : en
Pages : 118
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Book Description
Real-world practice problems to bring your SQL skills to the next level It's easy to find basic SQL syntax and keyword information online. What's hard to find is challenging, well-designed, real-world problems--the type of problems that come up all the time when you're dealing with data. Learning how to solve these problems will give you the skill and confidence to step up in your career. With SQL Practice Problems, you can get that level of experience by solving sets of targeted problems. These aren't just problems designed to give an example of specific syntax, or keyword. These are the common problems you run into all the time when you deal with data. You will get real world practice, with real world data. I'll teach you how to "think" in SQL, how to analyze data problems, figure out the fundamentals, and work towards a solution that you can be proud of. It contains challenging problems, that hone your ability to write high quality SQL code. What do you get when you buy SQL Practice Problems? You get instructions on how set up MS SQL Server Express Edition 2016 and SQL Server Management Studio 2016, both free downloads. Almost all the SQL presented here works for previous versions of MS SQLServer, and any exceptions are highlighted. You'll also get a customized sample database, with video walk-through instructions on how to set it up on your computer. And of course, you get the actual practice problems - 57 problems that you work through step-by-step. There are targeted hints if you need them that help guide you through the question. For the more complex questions there are multiple levels of hints. Each answer comes with a short, targeted discussion section with alternative answers and tips on usage and good programming practice. What kind of problems are there in SQL Practice Problems? SQL Practice Problems has data analysis and reporting oriented challenges that are designed to step you through introductory, intermediate and advanced SQL Select statements, with a learn-by-doing technique. Most textbooks and courses have some practice problems. But most often, they're used just to illustrate a particular piece of syntax, with no filtering on what's most useful. What you'll get with SQL Practice Problems is the problems that illustrate some the most common challenges you'll run into with data, and the best, most useful techniques to solve them. These practice problems involve only Select statements, used for data analysis and reporting, and not statements to modify data (insert, delete, update), or to create stored procedures. About the author: Hi, my name is Sylvia Moestl Vasilik. I've been a database programmer and engineer for more than 15 years, working at top organizations like Expedia, Microsoft, T-Mobile, and the Gates Foundation. In 2015, I was teaching a SQL Server Certificate course at the University of Washington Continuing Education. It was a 10 week course, and my students paid more than $1000 for it. My students learned the basics of SQL, most of the keywords, and worked through practice problems every week of the course. But because of the emphasis on getting a broad overview of all features of SQL, we didn't spend enough time on the types of SQL that's used 95% of the time--intermediate and advanced Select statements. After the course was over, some of my students emailed me to ask where they could get more practice. That's when I was inspired to start work on this book.
Author: Gordon S. Linoff
Publisher: John Wiley & Sons
ISBN: 0470952520
Category : Computers
Languages : en
Pages : 698
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Book Description
Useful business analysis requires you to effectively transform data into actionable information. This book helps you use SQL and Excel to extract business information from relational databases and use that data to define business dimensions, store transactions about customers, produce results, and more. Each chapter explains when and why to perform a particular type of business analysis in order to obtain useful results, how to design and perform the analysis using SQL and Excel, and what the results should look like.
Author: Anthony DeBarros
Publisher: No Starch Press
ISBN: 1718501072
Category : Computers
Languages : en
Pages : 466
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Book Description
Analyze data like a pro, even if you’re a beginner. Practical SQL is an approachable and fast-paced guide to SQL (Structured Query Language), the standard programming language for defining, organizing, and exploring data in relational databases. Anthony DeBarros, a journalist and data analyst, focuses on using SQL to find the story within your data. The examples and code use the open-source database PostgreSQL and its companion pgAdmin interface, and the concepts you learn will apply to most database management systems, including MySQL, Oracle, SQLite, and others.* You’ll first cover the fundamentals of databases and the SQL language, then build skills by analyzing data from real-world datasets such as US Census demographics, New York City taxi rides, and earthquakes from US Geological Survey. Each chapter includes exercises and examples that teach even those who have never programmed before all the tools necessary to build powerful databases and access information quickly and efficiently. You’ll learn how to: Create databases and related tables using your own data Aggregate, sort, and filter data to find patterns Use functions for basic math and advanced statistical operations Identify errors in data and clean them up Analyze spatial data with a geographic information system (PostGIS) Create advanced queries and automate tasks This updated second edition has been thoroughly revised to reflect the latest in SQL features, including additional advanced query techniques for wrangling data. This edition also has two new chapters: an expanded set of instructions on for setting up your system plus a chapter on using PostgreSQL with the popular JSON data interchange format. Learning SQL doesn’t have to be dry and complicated. Practical SQL delivers clear examples with an easy-to-follow approach to teach you the tools you need to build and manage your own databases. * Microsoft SQL Server employs a variant of the language called T-SQL, which is not covered by Practical SQL.
Author: Ryan Stephens
Publisher: Sams Publishing
ISBN: 0132715120
Category : Computers
Languages : en
Pages : 540
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Book Description
In just 24 lessons of one hour or less, you will learn professional techniques to design and build efficient databases and query them to extract useful information. Using a straightforward, step-by-step approach, each lesson builds on the previous one, allowing you to learn the essentials of ANSI SQL from the ground up. Example code demonstrates the authors’ professional techniques, while exercises written for MySQL offer the reader hands-on learning with an open-source database. Included are advanced techniques for using views, managing transactions, database administration, and extending SQL. Step-by-step instructions carefully walk you through the most common SQL tasks. Q&As, Quizzes, and Exercises at the end of each chapter help you test your knowledge. Notes and Tips point out shortcuts and solutions. New terms are clearly defined and explained. Learn how to... Use SQL-2003, the latest standard for the Structured Query Language Design and deploy efficient, secure databases Build advanced queries for information retrieval Sort, group, and summarize information for best presentation Tune databases and queries for maximum performance Understand database administration and security techniques For more than ten years the authors have studied, applied, and documented the SQL standard and its application to critical database systems. Ryan Stephens and Ron Plew are entrepreneurs, speakers, and cofounders of Perpetual Technologies, Inc. (PTI), a fast-growing IT management and consulting firm which specializes in database technologies. They taught database courses for Indiana University–Purdue University in Indianapolis for five years and have authored more than a dozen books on Oracle, SQL, database design, and the high availability of critical systems. Arie D. Jones is Senior SQL Server database administrator and analyst for PTI. He is a regular speaker at technical events and has authored several books and articles. Category: Database Covers: ANSI SQL User Level: Beginning–Intermediate Register your book at informit.com/title/9780672330186 for convenient access to updates and corrections as they become available.
Author: John L. Viescas
Publisher: Pearson Education
ISBN: 0321992474
Category : Computers
Languages : en
Pages : 792
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Book Description
The #1 Easy, Common-Sense Guide to SQL Queries--Updated for Today's Databases, Standards, and Challenges SQL Queries for Mere Mortals ® has earned worldwide praise as the clearest, simplest tutorial on writing effective SQL queries. The authors have updated this hands-on classic to reflect new SQL standards and database applications and teach valuable new techniques. Step by step, John L. Viescas and Michael J. Hernandez guide you through creating reliable queries for virtually any modern SQL-based database. They demystify all aspects of SQL query writing, from simple data selection and filtering to joining multiple tables and modifying sets of data. Three brand-new chapters teach you how to solve a wide range of challenging SQL problems. You'll learn how to write queries that apply multiple complex conditions on one table, perform sophisticated logical evaluations, and think "outside the box" using unlinked tables. Coverage includes -- Getting started: understanding what relational databases are, and ensuring that your database structures are sound -- SQL basics: using SELECT statements, creating expressions, sorting information with ORDER BY, and filtering data using WHERE -- Summarizing and grouping data with GROUP BY and HAVING clauses -- Drawing data from multiple tables: using INNER JOIN, OUTER JOIN, and UNION operators, and working with subqueries -- Modifying data sets with UPDATE, INSERT, and DELETE statements Advanced queries: complex NOT and AND, conditions, if-then-else using CASE, unlinked tables, driver tables, and more Practice all you want with downloadable sample databases for today's versions of Microsoft Office Access, Microsoft SQL Server, and the open source MySQL database. Whether you're a DBA, developer, user, or student, there's no better way to master SQL. informit.com/aw forMereMortals.com
Author: Steve Hughes
Publisher: Packt Publishing Ltd
ISBN: 1837630089
Category : Computers
Languages : en
Pages : 270
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Book Description
Enhance your SQL query writing skills to provide greater business value using advanced techniques such as common table expressions, window functions, and JSON Purchase of the print or Kindle book includes a free PDF eBook Key Features Examine query design and performance using query plans and indexes Solve business problems using advanced techniques such as common table expressions and window functions Use SQL in modern data platform solutions with JSON and Jupyter notebooks Book Description SQL has been the de facto standard when interacting with databases for decades and shows no signs of going away. Through the years, report developers or data wranglers have had to learn SQL on the fly to meet the business needs, so if you are someone who needs to write queries, SQL Query Design and Pattern Best Practices is for you. This book will guide you through making efficient SQL queries by reducing set sizes for effective results. You'll learn how to format your results to make them easier to consume at their destination. From there, the book will take you through solving complex business problems using more advanced techniques, such as common table expressions and window functions, and advance to uncovering issues resulting from security in the underlying dataset. Armed with this knowledge, you'll have a foundation for building queries and be ready to shift focus to using tools, such as query plans and indexes, to optimize those queries. The book will go over the modern data estate, which includes data lakes and JSON data, and wrap up with a brief on how to use Jupyter notebooks in your SQL journey. By the end of this SQL book, you'll be able to make efficient SQL queries that will improve your report writing and the overall SQL experience. What you will learn Build efficient queries by reducing the data being returned Manipulate your data and format it for easier consumption Form common table expressions and window functions to solve complex business issues Understand the impact of SQL security on your results Understand and use query plans to optimize your queries Understand the impact of indexes on your query performance and design Work with data lake data and JSON in SQL queries Organize your queries using Jupyter notebooks Who this book is for This book is for SQL developers, data analysts, report writers, data scientists, and other data gatherers looking to expand their skills for complex querying as well as for building more efficient and performant queries. For those new to SQL, this book can help you accelerate your learning and keep you from making common mistakes.
Author: Anthony Molinaro
Publisher: "O'Reilly Media, Inc."
ISBN: 0596009763
Category : Computers
Languages : en
Pages : 632
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Book Description
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.
Author: Gordon Du
Publisher: Packt Publishing Ltd
ISBN: 1849682372
Category : Computers
Languages : en
Pages : 517
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Book Description
Utilize the power of SQL queries to bring Business Intelligence to your small to medium-sized business with this book and eBook.
