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Querying Data with SQL Server

Mihaela Danci

In this course, you’ll learn essential skills that are needed to become proficient in querying data using T-SQL including logical query execution, creating single table queries to filter and aggregate data, and combining data from multiple tables.

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In this course, you’ll learn essential skills that are needed to become proficient in querying data using T-SQL including logical query execution, creating single table queries to filter and aggregate data, and combining data from multiple tables.

SQL is a fundamental skill in data management and data analysis that empowers you to handle complex scenarios with ease.

In this course, Querying Data with SQL Server, you’ll gain the ability to extract, manipulate, and analyze data required to unlock valuable insights.

First, you’ll learn the structure and basic components of an SQL query.

Next, you’ll discover how to retrieve data from one or multiple tables while performing calculations on groups of rows.

Finally, you’ll explore more advanced ways of retrieving data by working with subqueries, common table expressions, and window functions.

When you’re finished with this course, you’ll have the SQL skills and knowledge needed to uncover hidden insights in your data.

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What's inside

Syllabus

Course Overview
Selecting Data
Aggregating Data
Joining Data
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Cleaning Data
Using Subqueries and CTEs
Working with Window Functions

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Develops essential data querying skills using T-SQL, indispensable for data management and analysis
Teaches logical query execution, enabling efficient data retrieval
Covers single table queries for filtering and aggregating data, empowering learners to extract meaningful insights
Explores multi-table queries for combining data from different sources, enhancing data analysis capabilities
Introduces subqueries and common table expressions (CTEs) for complex data retrieval, expanding problem-solving skills
Examines window functions for advanced data manipulation, aiding in complex analysis scenarios

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Activities

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Career center

Learners who complete Querying Data with SQL Server will develop knowledge and skills that may be useful to these careers:
Data Analyst
A Data Analyst collects, cleans, and analyzes data to help businesses understand their customers, make better decisions, and improve their operations. A background in querying data is crucial for this role as it allows you to extract and analyze data from various sources. This course will help you gain the skills needed to perform complex data analysis and uncover valuable insights that can drive business decisions.
Business Analyst
A Business Analyst helps businesses identify and solve problems by analyzing data, understanding business processes, and recommending solutions. Querying data is essential for this role as it allows you to gather and analyze data from multiple sources to identify trends, patterns, and insights. This course will provide you with the skills needed to extract and interpret data to support business decision-making.
Data Engineer
A Data Engineer designs, builds, and maintains data pipelines and infrastructure to support data analysis and business intelligence. Querying data is a fundamental skill for this role as it allows you to extract and transform data from various sources and ensure its quality and consistency. This course will help you build a strong foundation in data querying and provide you with the skills needed to manage and process large volumes of data.
Database Administrator
A Database Administrator manages and maintains databases, ensuring their performance, security, and availability. Querying data is a core responsibility of this role as it allows you to troubleshoot database issues, optimize performance, and recover data in case of failures. This course will provide you with a comprehensive understanding of data querying techniques and help you build the skills needed to effectively manage and maintain databases.
Data Scientist
A Data Scientist uses statistical and machine learning techniques to extract insights from data and build predictive models. Querying data is a fundamental skill for this role as it allows you to access and analyze large datasets to identify patterns, trends, and anomalies. This course will provide you with a solid foundation in data querying and help you develop the skills needed to prepare data for analysis and modeling.
BI Analyst
A BI Analyst gathers, analyzes, and interprets data to provide insights and support business decision-making. Querying data is a key skill for this role as it allows you to extract and analyze data from various sources to identify trends, patterns, and insights. This course will provide you with a comprehensive understanding of data querying techniques and help you build the skills needed to effectively gather and analyze data to support business decisions.
Data Journalist
A Data Journalist uses data to tell stories and communicate insights to the public. Querying data is an essential skill for this role as it allows you to extract and analyze data from various sources to find compelling stories and uncover hidden trends. This course will provide you with the skills needed to gather, clean, and analyze data to create engaging data-driven stories.
Software Engineer
A Software Engineer designs, develops, and maintains software applications. Querying data is a useful skill for this role as it allows you to interact with databases, retrieve data, and perform data analysis. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage data within software applications.
Web Developer
A Web Developer designs and develops websites and web applications. Querying data is a useful skill for this role as it allows you to interact with databases, retrieve data, and display it on web pages. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage data within web applications.
IT Manager
An IT Manager plans, implements, and manages an organization's IT systems and infrastructure. Querying data is a useful skill for this role as it allows you to monitor system performance, troubleshoot issues, and identify areas for improvement. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within IT systems.
Project Manager
A Project Manager plans, executes, and completes projects. Querying data is a useful skill for this role as it allows you to track project progress, identify risks, and communicate project status to stakeholders. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within project management processes.
Product Manager
A Product Manager manages the development and launch of products. Querying data is a useful skill for this role as it allows you to track product performance, identify customer needs, and make informed decisions about product development. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within product management processes.
Financial Analyst
A Financial Analyst provides financial advice and guidance to individuals and organizations. Querying data is a useful skill for this role as it allows you to analyze financial data, identify trends, and make informed investment decisions. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within financial analysis processes.
Marketing Analyst
A Marketing Analyst analyzes marketing campaigns and provides insights to improve marketing strategies. Querying data is a useful skill for this role as it allows you to track campaign performance, identify customer behavior, and make informed decisions about marketing investments. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within marketing analysis processes.
Sales Manager
A Sales Manager leads and manages a team of sales professionals. Querying data is a useful skill for this role as it allows you to track sales performance, identify customer needs, and make informed decisions about sales strategies. This course may help you build a foundation in data querying and provide you with the skills needed to effectively manage and analyze data within sales management processes.

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Querying Data with SQL Server.
Provides a comprehensive overview of the performance tuning techniques that can be used to improve the performance of SQL Server queries. It covers a wide range of topics, including query optimization, index tuning, and hardware optimization.
Provides a detailed explanation of how SQL Server executes queries. It covers a wide range of topics, including the query optimizer, the execution plan, and the performance monitoring tools.
Provides a comprehensive overview of the data manipulation capabilities of SQL Server. It covers a wide range of topics, including data types, data manipulation statements, and data integrity.
Provides a comprehensive overview of the SQL Server 2016 Reporting Services tool. It covers a wide range of topics, including report creation, report management, and report deployment.
Provides a comprehensive overview of the SQL Server 2016 Integration Services tool. It covers a wide range of topics, including data integration, data transformation, and data cleansing.

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