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20761: Querying Data with Transact-SQL

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  1. 40 Hours
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20761: Querying Data with Transact-SQL

WHAT YOU WILL LEARN

This course is designed to introduce students to Transact-SQL. It is designed in such a way that the first three days can be taught as a course to students requiring the knowledge for other courses in the SQL Server curriculum. Days 4 & 5 teach the remaining skills required to take exam 70-761.

AUDIENCE

The main purpose of the 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.

PREREQUISITES

  • Basic knowledge of the Microsoft Windows operating system and its core functionality.
  • Working knowledge of relational databases.

METHODOLOGY

This program will be conducted with interactive lectures, PowerPoint presentations, discussions and practical exercises

COURSE OBJECTIVES

After completing this course, students will be able to:

  • Describe key capabilities and components of SQL Server 2016.
  • Describe T-SQL, sets, and predicate logic.
  • Write a single table SELECT statement.
  • Write a multi-table SELECT statement.
  • Write SELECT statements with filtering and sorting.
  • Describe how SQL Server uses data types.
  • Write DML statements.
  • Write queries that use built-in functions.
  • Write queries that aggregate data.
  • Write subqueries.
  • Create and implement views and table-valued functions.
  • Use set operators to combine query results.
  • Write queries that use window ranking, offset, and aggregate functions.
  • Transform data by implementing pivot, unpivot, rollup and cube.
  • Create and implement stored procedures.
  • Add programming constructs such as variables, conditions, and loops to T-SQL code.

Expand All

Modules

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

  • Working with SQL Server Management Studio
  • Creating and Organizing T-SQL Scripts
  • Using Books Online

After completing this module, you will be able to:

  • Describe relational databases and Transact-SQL queries.
  • Describe the on-premise and cloud-based editions and versions of SQL Server.
  • Describe how to use SQL Server Management Studio (SSMS) to connect to an instance of SQL Server, explore the databases contained in the instance, and work with script files that contain T-SQL queries.
Module 2: Introduction to T-SQL Querying

This module describes 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.

Lessons

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

Lab : Introduction to T-SQL Querying

  • Executing Basic SELECT Statements
  • Executing Queries that Filter Data using Predicates
  • Executing Queries That Sort Data Using ORDER BY

After completing this module, you will be able to:

  • Describe the role of T-SQL in writing SELECT statements.
  • Describe the elements of the T-SQL language and which elements will be useful in writing queries.
  • Describe the concepts of the set theory, one of the mathematical underpinnings of relational databases, and to help you apply it to how you think about querying SQL Server
  • Describe predicate logic and examine its application to querying SQL Server.
  • Explain the elements of a SELECT statement, delineate the order in which the elements are evaluated, and then apply this understanding to a practical approach to writing queries.
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

  • Writing Simple SELECT Statements
  • Eliminating Duplicates Using DISTINCT
  • Using Column and Table Aliases
  • Using a Simple CASE Expression

After completing this module, you will be able to:

  • Describe the structure and format of the SELECT statement, as well as enhancements that will add functionality and readability to your queries
  • Describe how to eliminate duplicates using the DISTINCT clause
  • Describe the use of column and table aliases
  • Understand and use CASE expressions
Module 4: Querying Multiple Tables

This module describes how to write queries that combine data from multiple sources in Microsoft SQL Server 2016.

Lessons

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

Lab : Querying Multiple Tables

  • Writing Queries that use Inner Joins
  • Writing Queries that use Multiple-Table Inner Joins
  • Writing Queries that use Self-Joins
  • Writing Queries that use Outer Joins
  • Writing Queries that use Cross Joins

After completing this module, you will be able to:

  • Explain the fundamentals of joins in SQL Server 2016
  • Write inner join queries
  • Write queries that use outer joins
  • Use additional join types
Module 5: Sorting and Filtering Data

This module describes how to implement sorting and filtering.

Lessons

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

Lab : Sorting and Filtering Data

  • Writing Queries that Filter Data using a WHERE Clause
  • Writing Queries that Sort Data Using an ORDER BY Clause
  • Writing Queries that Filter Data Using the TOP Option

After completing this module, you will be able to:

  • Explain how to add an ORDER BY clause to your queries to control the order of rows displayed in your query's output
  • Explain how to construct WHERE clauses to filter out rows that do not match the predicate.
  • Explain how to limit ranges of rows in the SELECT clause using a TOP option.
  • Explain how to limit ranges of rows using the OFFSET-FETCH option of an ORDER BY clause.
  • Explain how three-valued logic accounts for unknown and missing values, how SQL Server uses NULL to mark missing values, and how to test for NULL in your queries.
Module 6: Working with SQL Server 2016 Data Types

This module introduces the data types SQL Server uses to store data.

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

  • Writing Queries that Return Date and Time Data
  • Writing Queries that use Date and Time Functions
  • Writing Queries That Return Character Data
  • Writing Queries That Return Character Functions

After completing this module, you will be able to:

  • Explore many of the data types SQL Server uses to store data and how data types are converted between types
  • Explain the SQL Server character-based data types, how character comparisons work, and some common functions you may find useful in your queries
  • Describe data types that are used to store temporal data, how to enter dates and times so they will be properly parsed by SQL Server, and how to manipulate dates and times with built-in functions.
Module 7: Using DML to Modify Data

This module describes how to create DML queries, and why you would want to.

Lessons

  • Inserting Data
  • Modifying and Deleting Data

Lab : Using DML to Modify Data

  • Inserting Data
  • Updating and Deleting Data

After completing this module, you will be able to:

  • Use INSERT and SELECT INTO statements
  • Use UPDATE, MERGE, DELETE, and TRUNCATE.
Module 8: Using Built-In Functions

This module introduces some of the many built in functions in SQL Server 2016.

Lessons

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

Lab : Using Built-In Functions

  • Writing Queries That Use Conversion Functions
  • Writing Queries that use Logical Functions
  • Writing Queries that Test for Nullability

After completing this module, you will be able to:

  • Describe the types of functions provided by SQL Server, and then focus on working with scalar functions
  • Explain how to explicitly convert data between types using several SQL Server functions
  • Describe how to use logical functions that evaluate an expression and return a scalar result.
  • Describe additional functions for working with NULL
Module 9: Grouping and Aggregating Data

This module describes how to use aggregate functions.

Lessons

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

Lab : Grouping and Aggregating Data

  • Writing Queries That Use the GROUP BY Clause
  • Writing Queries that Use Aggregate Functions
  • Writing Queries that Use Distinct Aggregate Functions
  • Writing Queries that Filter Groups with the HAVING Clause

After completing this module, you will be able to:

  • Describe the built-in aggregate function in SQL Server and write queries using it.
  • Write queries that separate rows using the GROUP BY clause.
  • Write queries that use the HAVING clause to filter groups.
Module 10: Using Subqueries

This module describes several types of subquery and how and when to use them.

Lessons

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

Lab : Using Subqueries

  • Writing Queries That Use Self-Contained Subqueries
  • Writing Queries That Use Scalar and Multi-Result Subqueries
  • Writing Queries That Use Correlated Subqueries and an EXISTS Clause

After completing this module, you will be able to:

  • Describe where subqueries may be used in a SELECT statement.
  • Write queries that use correlated subqueries in a SELECT statement
  • Write queries that use EXISTS predicates in a WHERE clause to test for the existence of qualifying rows
  • Use the EXISTS predicate to efficiently check for the existence of rows in a subquery.
Module 11: Using Table Expressions

Previously in this course, you learned about using subqueries as an expression that returned results to an outer calling query. Like subqueries, table expressions are query expressions, but table expressions extend this idea by allowing you to name them and to work with their results as you would work with data in any valid relational table. Microsoft SQL Server 2016 supports four types of table expressions: derived tables, common table expression (CTEs), views, and inline table-valued functions (TVFs). In this module, you will learn to work with these forms of table expressions and learn how to use them to help create a modular approach to writing queries.

Lessons

  • Using Views
  • Using Inline Table-Valued Functions
  • Using Derived Tables
  • Using Common Table Expressions

Lab : Using Table Expressions

  • Writing Queries That Use Views
  • Writing Queries That Use Derived Tables
  • Writing Queries That Use Common Table Expressions (CTEs)
  • Writing Queries That Sue Inline Table-Valued Expressions

After completing this module, you will be able to:

  • Write queries that return results from views.
  • Use the CREATE FUNCTION statement to create simple inline TVFs.
  • Write queries that create and retrieve results from derived tables.
  • Write queries that create CTEs and return results from the table expression.
Module 12: Using Set Operators

This module introduces how to use 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

  • Writing Queries That Use UNION Set Operators and UNION ALL
  • Writing Queries That Use CROSS APPLY and OUTER APPLY Operators
  • Writing Queries That Use the EXCEPT and INTERSECT Operators

After completing this module, students will be able to:

  • Write queries that use UNION to combine input sets.
  • Write queries that use UNION ALL to combine input sets
  • Write queries that use the EXCEPT operator to return only rows in one set but not another.
  • Write queries that use the INTERSECT operator to return only rows that are present in both sets
  • Write queries using the CROSS APPLY operator.
  • Write queries using the OUTER APPLY operator
Module 13: Using Windows Ranking, Offset, and Aggregate Functions

This module describes the benefits to using window functions. Restrict window functions to rows defined in an OVER clause, including partitions and frames. Write queries that use window functions to operate on a window of rows and return ranking, aggregation, and offset comparison results.

Lessons

  • Creating Windows with OVER
  • Exploring Window Functions

Lab : Using Windows Ranking, Offset, and Aggregate Functions

  • Writing Queries that use Ranking Functions
  • Writing Queries that use Offset Functions
  • Writing Queries that use Window Aggregate Functions

After completing this module, students will be able to:

  • Describe the T-SQL components used to define windows, and the relationships between them.
  • Write queries that use the OVER clause, with partitioning, ordering, and framing to define windows
  • Write queries that use window aggregate functions.
  • Write queries that use window ranking functions.
  • Write queries that use window offset functions
Module 14: Pivoting and Grouping Sets

This module describes write queries that pivot and unpivot result sets. Write queries that specify multiple groupings with grouping sets

Lessons

  • Writing Queries with PIVOT and UNPIVOT
  • Working with Grouping Sets

Lab : Pivoting and Grouping Sets

  • Writing Queries that use the PIVOT Operator
  • Writing Queries that use the UNPIVOT Operator
  • Writing Queries that use the GROUPING SETS CUBE and ROLLUP Subclauses

After completing this module, students will be able to:

  • Describe how pivoting data can be used in T-SQL queries.
  • Write queries that pivot data from rows to columns using the PIVOT operator.
  • Write queries that unpivot data from columns back to rows using the UNPIVOT operator.
  • Write queries using the GROUPING SETS subclause.
  • Write queries that use ROLLUP AND CUBE.
  • Write queries that use the GROUPING_ID function.
Module 15: Executing Stored Procedures

This module describes how to return results by executing stored procedures. Pass parameters to procedures. Create simple stored procedures that encapsulate a SELECT statement. Construct and execute dynamic SQL with EXEC and sp_executesql.

Lessons

  • Querying Data with Stored Procedures
  • Passing Parameters to Stored procedures
  • Creating Simple Stored Procedures
  • Working with Dynamic SQL

Lab : Executing Stored Procedures

  • Using the EXECUTE statement to Invoke Stored Procedures
  • Passing Parameters to Stored procedures
  • Executing System Stored Procedures

After completing this module, students will be able to:

  • Describe stored procedures and their use.
  • Write T-SQL statements that execute stored procedures to return data.
  • Write EXECUTE statements that pass input parameters to stored procedures.
  • Write T-SQL batches that prepare output parameters and execute stored procedures.
  • Use the CREATE PROCEDURE statement to write a stored procedure.
  • Create a stored procedure that accepts input parameters.
  • Describe how T-SQL can be dynamically constructed.
  • Write queries that use dynamic SQL.
Module 16: Programming with T-SQL

This module describes how to enhance your T-SQL code with programming elements.

Lessons

  • T-SQL Programming Elements
  • Controlling Program Flow

Lab : Programming with T-SQL

  • Declaring Variables and Delimiting Batches
  • Using Control-Of-Flow Elements
  • Using Variables in a Dynamic SQL Statement
  • Using Synonyms

After completing this module, students will be able to:

  • Describe how Microsoft SQL Server treats collections of statements as batches.
  • Create and submit batches of T-SQL code for execution by SQL Server.
  • Describe how SQL Server stores temporary objects as variables.
  • Write code that declares and assigns variables.
  • Create and invoke synonyms
  • Describe the control-of-flow elements in T-SQL.
  • Write T-SQL code using IF...ELSE blocks.
  • Write T-SQL code that uses WHILE.
Module 17: Implementing Error Handling

This module introduces error handling for T-SQL.

Lessons

  • Implementing T-SQL error handling
  • Implementing structured exception handling

Lab : Implementing Error Handling

  • Redirecting errors with TRY/CATCH
  • Using THROW to pass an error message back to a client

After completing this module, students will be able to:

  • Implement T-SQL error handling.
  • Implement structured exception handling.
Module 18: Implementing Transactions

This module describes how to implement transactions.

Lessons

  • Transactions and the database engines
  • Controlling transactions

Lab : Implementing Transactions

  • Controlling transactions with BEGIN, COMMIT, and ROLLBACK
  • Adding error handling to a CATCH block

After completing this module, students will be able to:

  • Describe transactions and the differences between batches and transactions.
  • Describe batches and how they are handled by SQL Server.
  • Create and manage transactions with transaction control language (TCL) statements.
  • Use SET XACT_ABORT to define SQL Servers handling of transactions outside TRY/CATCH blocks.
Gerald Hoong Seng Kah

Gerald Hoong Seng Kah

Gerald has 19 years of information technology experience and on community service and event experiences, he excels impressively. He was invited as a speaker for 3 break-out sessions for Microsoft TechED SEA 2008 on SQL Server 2008 at Kuala Lumpur Convention Center.

He even participated at the “Ask-The-Expert" booth for Microsoft Visual Studio 2008 and Microsoft SQL Server 2008 at the Heroes Launch 2008 and conducted a Microsoft Visual Studio Team System 2008, formerly code-named “Orcas" Metro workshop for Microsoft Certified Partners and independent software vendors (ISVs).

He was invited as a speaker on various occasions such as during the 2 break-out sessions and 3 instructor-led sessions at Microsoft TechED SEA 2007 on SQL Server 2008 and Office SharePoint Server 2007 respectively at Kuala Lumpur Convention Center. He was also a speaker for an instructor-led session at Microsoft TechEd SEA 2006 on development of web parts using Windows SharePoint Services Version 3.0 at Kuala Lumpur Convention Center.

He conducted a few Microsoft Office 2007 Touchdown workshops for Microsoft Certified Partners and independent software vendors and Microsoft Windows Vista Beta 1 Touchdown workshop and Microsoft Windows Vista Beta 1 Touchdown workshop for Microsoft Certified Partners and ISVs. He also conducted a Microsoft Windows Server code-named “Longhorn" Touchdown workshop and Microsoft Visual Studio Team System workshop for Microsoft Certfied Partners and ISVs.

He was invited as a guest speaker on Microsoft Office 2007 development for the MIND community, which is an active IT community under the helm of Microsoft. He is a committee member of SQL Practitioners Alliance Network (SPAN).

He was the co- speaker and tag team presenter at the recently concluded World SharePoint Conference 2014 at Las Vegas, USA. He was the only Malaysian presenter among the other presenters from Asia.

In March 2014, he participated as co-speaker and tag team presenter at the World SharePoint Conference 2014 at Venetian Hotel and Resorts, Las Vegas, USA.

Recently, he conducted a specialized Microsoft SharePoint training and consultancy for a team of 17 people from Carlsberg Group at Carlsberg & Jacobsen Brewhouse in Copenhagen, Denmark.

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James Hong Chii Guan

James Hong Chii Guan

James has trained more than thousands of people in conducting in-house / public training and private tutoring. With his previous vast experiences, he is allowed to provide training for Microsoft Office 2002, 2003, and Microsoft Office 2007, Programming with Microsoft Visual Basic.net, Querying Microsoft SQL Server 2000 with Transact-SQL, Developing Microsoft .Net Applications for Windows (VB.Net), Developing Microsoft ASP. Net Web Applications Using Visual Studio.Net.


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Ricky Chan Chee Ho

Ricky Chan Chee Ho

Ricky have extensive knowledge in software application, management skills, leading edge technology planning and implementation as well as superior strategic thinking & communication skills.His expertise are in Exchange Server, SQL Server 2000, 2005, 2008, 2012, Windows 2000, Microsoft Windows Server 2003, 2008, 2012, Window XP, Vista, 7, 8, Window NT server, Microsoft offices 2003, 2007, 2010, Microsoft Project 2013, 2007 and 2010.


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Cheah Keng Kean

Cheah Keng Kean

Cheah has more than 23 years of experience in the IT industry and 17 years in computer training. He has 5 years of experience as an analyst programmer in a Singapore manufacturing company where he gained knowledge and analytical skill to develop and handle different systems. He also gained a reputation of providing high quality of training and of sharing his knowledge and experience.


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Daryl Soong Choo Keong

Daryl Soong Choo Keong

Daryl Soong has been working in the IT industry since 1996. As such, he has had ample exposure and experience relating to all manners of businesses and problem scenarios faced by IT personnel of different levels. He understands the importance of business value, infrastructure efficiency and user productivity.He has a passion for Microsoft server systems, messaging infrastructure, database server implementation & administration, windows & web programming, as well as Cisco routing and switching. He specializes in the fields of databases, server & web development.He has successfully managed and implemented several local projects related to his area of expertise. His key areas of work have been on various platforms using Microsoft Windows Servers and Active Directory, Microsoft Exchange Servers, Cisco Routers and Switches. Read More

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