Querying Data with Transact-SQL Training Course

Course 20761
5 Days

Single Student Rate (Group rates available)

In-Person: $2,495
Remote-Live: $1,995 - Learn more
Self-Paced: $699 - Learn more

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Course Overview

The main purpose of this 3 day instructor led course is to give students a good understanding of the Transact-SQL language which is used by all SQL Server-related disciplines; namely, Database Administration, Database Development and Business Intelligence. As such, the primary target audience for this course is: Database Administrators, Database Developers and BI professionals.

The course will very likely be well attended by SQL power users who aren’t necessarily database-focused; namely, report writers, business analysts and client application developers.

Audience

Course 20761 is intended for Database Administrators, Database Developers, and Business Intelligence professionals. The course will very likely be well attended by SQL power users who aren’t necessarily database-focused; namely, report writers, business analysts and client application developers.

Course Outline

Module 1: Introduction to Microsoft SQL Server 2016

This module introduces SQL Server, the versions of SQL Server, including cloud versions, and how to connect to SQL Server using SQL Server Management Studio.
Lessons

The Basic Architecture of SQL Server
SQL Server Editions and Versions
Getting Started with SQL Server Management Studio

Lab : Working with SQL Server 2016 Tools
After completing this module, you will be able to:

Describe the architecture and editions of SQL Server 2012.
Work with SQL Server Management Studio.

Module 2: Introduction to T-SQL Querying

This module introduces the elements of T-SQL and their role in writing queries, describes the use of sets in SQL Server, describes the use of predicate logic in SQL Server, and describes the logical order of operations in SELECT statements.
Lessons

Introducing T-SQL
Understanding Sets
Understanding Predicate Logic
Understanding the Logical Order of Operations in SELECT statements

Lab : Introduction to Transact-SQL Querying
After completing this module, you will be able to:

Describe the elements of T-SQL and their role in writing queries
Describe the use of sets in SQL Server
Describe the use of predicate logic in SQL Server
Describe the logical order of operations in SELECT statements

Module 3: Writing SELECT Queries

This module introduces the fundamentals of the SELECT statement, focusing on queries against a single table.
Lessons

Writing Simple SELECT Statements
Eliminating Duplicates with DISTINCT
Using Column and Table Aliases
Writing Simple CASE Expressions

Lab : Writing Basic SELECT Statements
After completing this module, you will be able to:

Write simple SELECT statements.
Eliminate duplicates using the DISTINCT clause.
Use column and table aliases.
Write simple CASE expressions.

Module 4: Querying Multiple Tables

This module explains how to write queries which combine data from multiple sources in SQL Server. The module introduces the use of JOINs in T-SQL queries as a mechanism for retrieving data from multiple tables.
Lessons

Understanding Joins
Querying with Inner Joins
Querying with Outer Joins
Querying with Cross Joins and Self Joins

Lab : Querying Multiple Tables
After completing this module, you will be able to:

Describe how multiple tables may be queried in a SELECT statement using joins.
Write queries that use inner joins.
Write queries that use outer joins.
Write queries that use self-joins and cross joins.

Module 5: Sorting and Filtering Data

This module explains how to enhance queries to limit the rows they return, and to control the order in which the rows are displayed. The module also discusses how to resolve missing and unknown results.
Lessons

Sorting Data
Filtering Data with Predicates
Filtering with the TOP and OFFSET-FETCH Options
Working with Unknown Values

Lab : Sorting and Filtering Data
After completing this module, you will be able to:

Filter data with predicates in the WHERE clause.
Sort data using ORDER BY.
Filter data in the SELECT clause with TOP.
Filter data with OFFSET and FETCH.

Module 6: Working with SQL Server 2016 Data Types

This module explains the data types SQL Server uses to store data. It introduces the many types of numeric and special-use data types. It also explains conversions between data types, and the importance of type precedence.
Lessons

Introducing SQL Server 2016 Data Types
Working with Character Data
Working with Date and Time Data

Lab : Working with SQL Server 2016 Data Types
After completing this module, you will be able to:

Describe numeric data types, type precedence and type conversions.
Write queries using character data types.
Write queries using date and time data types.

Module 7: Using DML to Modify Data

This module describes the use of Transact-SQL Data Manipulation Language to perform inserts, updates, and deletes to your data.
Lessons

Inserting Data
Modifying and Deleting Data

Lab : Using DML to Modify Data
After completing this module, you will be able to:

Insert new data into your tables.
Update and delete existing records in your tables.

Module 8: Using Built-In Functions

This module introduces the use of functions that are built in to SQL Server Denali, and will discuss some common usages including data type conversion, testing for logical results and nullability.
Lessons

Writing Queries with Built-In Functions
Using Conversion Functions
Using Logical Functions
Using Functions to Work with NULL

Lab : Using Built-In Functions
After completing this module, you will be able to:

Write queries with built-in scalar functions.
Use conversion functions.
Use logical functions.
Use functions that work with NULL.

Module 9: Grouping and Aggregating Data

This module introduces methods for grouping data within a query, aggregating the grouped data and filtering groups with HAVING. The module is designed to help the student grasp why a SELECT clause has restrictions placed upon column naming in the GROUP BY clause as well as which columns may be listed in the SELECT clause.
Lessons

Using Aggregate Functions
Using the GROUP BY Clause
Filtering Groups with HAVING

Lab : Grouping and Aggregating Data
After completing this module, you will be able to:

Write queries which summarize data using built-in aggregate functions.
Use the GROUP BY clause to arrange rows into groups.
Use the HAVING clause to filter out groups based on a search condition.

Module 10: Using Subqueries

This module will introduce the use of subqueries in various parts of a SELECT statement. It will include the use of scalar and multi-result subqueries, and the use of the IN and EXISTS operators.
Lessons

Writing Self-Contained Subqueries
Writing Correlated Subqueries
Using the EXISTS Predicate with Subqueries

Lab : Using Subqueries
After completing this module, you will be able to:

Describe the uses of queries which are nested within other queries.
Write self-contained subqueries which return scalar or multi-valued results.
Write correlated subqueries which return scalar or multi-valued results.
Use the EXISTS predicate to efficiently check for the existence of rows in a subquery.

Module 11: Using Set Operators

This module introduces the set operators UNION, INTERSECT, and EXCEPT to compare rows between two input sets.
Lessons

Writing Queries with the UNION Operator
Using EXCEPT and INTERSECT
Using APPLY

Lab : Using SET Operators
After completing this module, you will be able to:

Write queries using UNION, EXCEPT, and INTERSECT operators.
Use the APPLY operator.

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Querying Data with Transact-SQL Training Course

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Course 20761
5 Days