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Course #:DP-080T00A

Querying Data with Microsoft Transact SQL Training

This course will teach the basics of Microsoft's dialect of the standard SQL language: Transact-SQL. Topics include both querying and modifying data in relational databases that are hosted in Microsoft SQL Server-based database systems, including: Microsoft SQL Server, Azure SQL Database and, Azure Synapse Analytics.


Use SQL Server query tools

Write SELECT statements to retrieve columns from one or more tables

Sort and filter selected data

Use built-in functions to returned data values

Create groups of data and aggregate the results

Modify data with Transact-SQL using INSERT, UPDATE, DELETE and MERGE


This course can be valuable for anyone who needs to write basic SQL or Transact-SQL queries. This includes anyone working with data as a data analyst, a data engineer, a data scientist, a database administrator or a database developer. It can also be useful for others peripherally involved with data, or wanting to learn more about working with data such as solution architects, students and technology managers.


Two days


Outline of Querying Data with Microsoft Transact SQL Training

Module 1: Getting Started with Transact-SQL

In this module you will learn about the basics of the Transact-SQL (T-SQL) language, as well as general properties and terminology of relational databases. This module will also introduce the basic SELECT statement for retrieving data from a table.



Introduction to Transact-SQL


Using the SELECT statement


Lab : Get started with SQL Server query tools and writing queries in T-SQL

After completing this module, students will be able to:


Using a query tool to write and execute queries in Transact-SQL


Understand the basic concepts of relational database and the T-SQL language


Write SELECT statements to retrieve data from a relational database table


Understand basic datatypes and how they are used


Understand the basics of NULL values


Module 2: Sorting and Filtering Query Results

In the module you will learn how to control what data is returned, the order in which it is returned. You will use the ORDER BY clause, with and without paging. You will learn about various kinds of filters that can be used in the WHERE clause to control which data rows are returned. You will also learn how to manage the results by removing duplicates with DISTINCT.



Sorting query results


Filtering the data


Lab : Sort and filter data returned by SELECT queries

After completing this module, students will be able to:


Use ORDER BY to sort results from a T-SQL SELECT statement


Add a TOP clause to limit the ordered rows returned


Page the sorted data with OFFSET-FET


Write WHERE clauses to filter the rows returned


Use DISTINCT to eliminate duplicate rows in the results


Module 3: Using Joins and Subqueries

In this module, you will explore T-SQL queries which access data from multiple tables with various kinds of JOIN operations and simple subqueries.



Using JOIN operations


Using subqueries


Lab : Write queries with JOIN operations

Lab : Write SELECT statements using subqueries

After completing this module, students will be able to:


Write queries accessing data from multiple tables using JOIN operations


Understand the differences between type of JOIN operations: INNER JOIN, OUTER JOIN, CROSS JOIN


Understand how to join a table to itself with a self-join


Write subqueries within a SELECT statement


Understand the difference between scalar and multi-valued subqueries


Understand the difference between correlated and self-contained subqueries


Module 4: Using Built-in Functions

In the module you will explore the use of built-in functions for returning computed or special values in the SELECT list or in the WHERE clause. Functions include math functions, string functions and system functions. There are other types of functions that will be mentioned, but not discussed in detail. You will also learn how to combine rows of data into a single group, providing summary information for the group such as SUM, MIN or MAX.



Getting started with scalar functions


Grouping aggregated results


Lab : Built-in functions

After completing this module, students will be able to:


Write queries using scalar functions


Write queries using aggregate functions


Use GROUP BY to combine data into groups based on a common column value


Understand how HAVING is used to filter groups of rows


Module 5: Modifying Data

In this module, you will learn the T-SQL statements for modifying table data including UPDATE, DELETE and MERGE as well as various options for INSERT including creating a new table with data from an existing table. You will also look at how to have the system automatically supply values for columns as the data is inserted.



Inserting data into tables


Modifying and deleting data


Lab : Modify data

After completing this module, students will be able to:


Insert data into an existing table


Specify that a column should be automatically populating with an IDENTITY or a SEQUENCE value


Modify data using the UPDATE statement


Delete data using the DELETE statement


Modify data using MERGE to synchronize two tables

We regularly offer classes in these and other cities. Atlanta, Austin, Baltimore, Calgary, Chicago, Cleveland, Dallas, Denver, Detroit, Houston, Jacksonville, Miami, Montreal, New York City, Orlando, Ottawa, Philadelphia, Phoenix, Pittsburgh, Seattle, Toronto, Vancouver, Washington DC.
US Inquiries / 1.877.517.6540
Canadian Inquiries / 1.877.812.8887