Streaming DataAs humans, we're constantly filtering and deciphering the information streaming toward us. In the same way, streaming data applications can accomplish amazing tasks like reading live location data to recommend nearby services, tracking faults with machinery in real time, and sending digital receipts before your customers leave the shop. Recent advances in streaming data technology and techniques make it possible for any developer to build these applications if they have the right mindset. This book will let you join them.
Streaming Data is an idea-rich tutorial that teaches you to think about efficiently interacting with fast-flowing data. Through relevant examples and illustrated use cases, you'll explore designs for applications that read, analyze, share, and store streaming data. Along the way, you'll discover the roles of key technologies like Spark, Storm, Kafka, Flink, RabbitMQ, and more. This book offers the perfect balance between big-picture thinking and implementation deta ...
Practical SQLPractical 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. The book focuses on using SQL to find the story your data tells, with the popular open-source database PostgreSQL and the pgAdmin interface as its primary tools.
You'll first cover the fundamentals of databases and the SQL language, then build skills by analyzing data from the U.S. Census and other federal and state government agencies. With exercises and real-world examples in each chapter, this book will teach even those who have never programmed before all the tools necessary to build powerful databases and access information quickly and efficiently.
Create databases and related tables using your own data; Define the right data types for your information; Aggregate, sort, and filter data to find patterns; Use basic math and advanced statistical functions; Identify errors in data and cle ...
Exam Ref 70-778 Analyzing and Visualizing Data by Using Microsoft Power BIPrepare for Microsoft Exam 70-778 - and help demonstrate your real-world mastery of Power BI data analysis and visualization. Designed for experienced BI professionals and data analysts 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: Consume and transform data by using Power BI Desktop; Model and visualize data; Configure dashboards, reports, and apps in the Power BI Service.
This Microsoft Exam Ref: Organizes its coverage by exam objectives; Features strategic, what-if scenarios to challenge you; Assumes you have experience consuming and transforming data, modeling and visualizing data, and configuring dashboards using Excel and Power BI. ...
Exam Ref 70-768 Developing SQL Data ModelsPrepare for Microsoft Exam 70-768 - and help demonstrate your real-world mastery of Business Intelligence (BI) solutions development with SQL Server 2016 Analysis Services (SSAS), including modeling and queries. 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: Design a multidimensional BI semantic model; Design a tabular BI semantic model; Develop queries using Multidimensional Expressions (MDX) and Data Analysis Expressions (DAX); Configure and maintain SSAS.
This Microsoft Exam Ref: Organizes its coverage by exam objectives; Features strategic, what-if scenarios to challenge you; Assumes you are a database or BI professional with experience creating models, writing MDX or DAX queries, and using SSAS. ...
Exam Ref 70-761 Querying Data with Transact-SQLPrepare 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 Serve ...
Exam Ref 70-767 Implementing a SQL Data WarehousePrepare for Microsoft Exam 70-767 - and help demonstrate your real-world mastery of skills for managing data warehouses. This exam is intended for Extract, Transform, Load (ETL) data warehouse developers who create business intelligence (BI) solutions. Their responsibilities include data cleansing as well as ETL and data warehouse implementation. The reader should have experience installing and implementing a Master Data Services (MDS) model, using MDS tools, and creating a Master Data Manager database and web application. The reader should understand how to design and implement ETL control flow elements and work with a SQL Service Integration Services package.
Focus on the expertise measured by these objectives: Design, and implement, and maintain a data warehouse; Extract, transform, and load data; Build data quality solutions.
This Microsoft Exam Ref: Organizes its coverage by exam objectives; Features strategic, what-if scenarios to challenge you; Assumes you have working kno ...
Exam Ref 70-779 Analyzing and Visualizing Data with Microsoft ExcelPrepare for Microsoft Exam 70-779 - and help demonstrate your real-world mastery of Microsoft Excel data analysis and visualization. Designed for BI professionals, data analysts, and others who analyze business data with Excel, this 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: Consume and transform data by using Microsoft Excel; Model data, from building and optimizing data models through creating performance KPIs, actual and target calculations, and hierarchies; Visualize data, including creating and managing PivotTables and PivotCharts, and interacting with PowerBI.
This Microsoft Exam Ref: Organizes its coverage by exam objectives; Features strategic, what-if scenarios to challenge you; Assumes you have a strong understanding of how to use Microsoft Excel to perform data analysis. ...
The Quick Python Book, 3rd EditionInitially Guido van Rossum's 1989 holiday project, Python has grown into an amazing computer language. It's a joy to learn and read, and powerful enough to handle everything from low-level system resources to advanced applications like deep learning. Elegantly simple and complete, it also boasts a massive ecosystem of libraries and frameworks. Python programmers are in high demand - you can't afford not to be fluent!
The Quick Python Book, 3rd Edition is a comprehensive guide to the Python language by a Python authority, Naomi Ceder. With the personal touch of a skilled teacher, she beautifully balances details of the language with the insights and advice you need to handle any task. Extensive, relevant examples and learn-by-doing exercises help you master each important concept the first time through. Whether you're scraping websites or playing around with nested tuples, you'll appreciate this book's clarity, focus, and attention to detail. ...
Designing Data-Intensive ApplicationsData is at the center of many challenges in system design today. Difficult issues need to be figured out, such as scalability, consistency, reliability, efficiency, and maintainability. In addition, we have an overwhelming variety of tools, including relational databases, NoSQL datastores, stream or batch processors, and message brokers. What are the right choices for your application? How do you make sense of all these buzzwords?
In this practical and comprehensive guide, author Martin Kleppmann helps you navigate this diverse landscape by examining the pros and cons of various technologies for processing and storing data. Software keeps changing, but the fundamental principles remain the same. With this book, software engineers and architects will learn how to apply those ideas in practice, and how to make full use of data in modern applications.
Peer under the hood of the systems you already use, and learn how to use and operate them more effectively; Make informed decisions b ...
Visualizing Streaming DataWhile tools for analyzing streaming and real-time data are gaining adoption, the ability to visualize these data types has yet to catch up. Dashboards are good at conveying daily or weekly data trends at a glance, though capturing snapshots when data is transforming from moment to moment is more difficult - but not impossible.
With this practical guide, application designers, data scientists, and system administrators will explore ways to create visualizations that bring context and a sense of time to streaming text data. Author Anthony Aragues guides you through the concepts and tools you need to build visualizations for analyzing data as it arrives.
Determine your company's goals for visualizing streaming data; Identify key data sources and learn how to stream them; Learn practical methods for processing streaming data; Build a client application for interacting with events, logs, and records; Explore common components for visualizing streaming data; Consider analysis concepts ...