Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By : Marek Chmel, Vladimír Mužný
Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By: Marek Chmel, Vladimír Mužný

Overview of this book

SQL Server is one of the most popular relational database management systems developed by Microsoft. This second edition of the SQL Server Administrator's Guide will not only teach you how to administer an enterprise database, but also help you become proficient at managing and keeping the database available, secure, and stable. You’ll start by learning how to set up your SQL Server and configure new and existing environments for optimal use. The book then takes you through designing aspects and delves into performance tuning by showing you how to use indexes effectively. You’ll understand certain choices that need to be made about backups, implement security policy, and discover how to keep your environment healthy. Tools available for monitoring and managing a SQL Server database, including automating health reviews, performance checks, and much more, will also be discussed in detail. As you advance, the book covers essential topics such as migration, upgrading, and consolidation, along with the techniques that will help you when things go wrong. Once you’ve got to grips with integration with Azure and streamlining big data pipelines, you’ll learn best practices from industry experts for maintaining a highly reliable database solution. Whether you are an administrator or are looking to get started with database administration, this SQL Server book will help you develop the skills you need to successfully create, design, and deploy database solutions.
Table of Contents (17 chapters)
Section 1: Provisioning the SQL Server Environment
Section 2: Server and Database Maintenance
Section 3: High Availability and the Cloud with SQL Server 2019

Working with a SQL Server Big Data Clusters workload

While working with BDC, you can combine two types of data — data stored in relational databases that's hosted by SQL Server and data stored in HDFS that's hosted by data nodes.

The BDC team has provided a sample script that will load data into your BDC deployment, both for your SQL Server workload and HDFS. You can use this script to populate your environment with usable sample data for experiments.

One of the possible approaches to this is to directly query the data stored in the Data node with the external table approach, as shown in the Using PolyBase to access external data section. The major difference here is that the external data source can be hosted on the Storage pool. To configure such a data source, use the following query:

    WITH (LOCATION = 'sqlhdfs://controller-svc/default')

Considering we have a CSV file stored...