Querying Microsoft SQL Server

Date: 02-10-2017 s/d 06-10-2017   |   Category: Microsoft   |   Instructor: Rusdi H. S.

About this Course

This 5-day instructor led course provides students with the technical skills required to write basic Transact-SQL queries for Microsoft SQL Server 2014. This course is the foundation for all SQL Server-related disciplines; namely, Database Administration, Database Development and Business Intelligence. This course helps people prepare for exam 70-461.
Note: This course is designed for customers who are interested in learning SQL Server 2012 or SQL Server 2014.  It covers the new features in SQL Server 2014, but also the important capabilities across the SQL Server data platform. 

Audience Profile
This course 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 or plan on taking the exam; namely, report writers, business analysts and client application developers.

At Course Completion
After completing this course, students will be able to:
- Describe the basic architecture and concepts of Microsoft SQL Server 2014.
- Understand the similarities and differences between Transact-SQL and other computer languages.
- Write SELECT queries
- Query multiple tables
- Sort and filter data
- Describe the use of data types in SQL Server
- Modify data using Transact-SQL
- Use built-in functions
- Group and aggregate data
- Use subqueries
- Use table expressions
- Use set operators
- Use window ranking, offset and aggregate functions
• Implement pivoting and grouping sets
Execute stored procedures
Phrogram with T-SQL
Implement error handling
Implement transactions




Course Details

Course OutlineModule 1: Introduction to Microsoft SQL Server 2014
This module introduces the SQL Server platform and major tools. It discusses editions, versions, tools used to query, documentation sources, and the logical structure of databases.
Lessons

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

Lab : Working with SQL Server 2014 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 the architecture and editions of SQL Server 2012.
Work with SQL Server Management Studio.


Module 2: Introduction to T-SQL Querying
This module introduces Transact SQL as the primary querying language of SQL Server. It discusses the basic structure of T-SQL queries, the logical flow of a SELECT statement, and introduces concepts such as predicates and set-based operations.
Lessons

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

Lab : Introduction to Transact-SQL Querying

Executing Basic SELECT Statements
Executing queries which filter data using predicates
Executing queries which sort data using ORDER BY

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

Write simple SELECT Statements
Eliminate Duplicates Using Distinct
Use Table and Column Aliases
Use a Simple CASE Expression

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

Writing Queries That Use Inner Joins
Writing Queries That Use Multiple-Table Inner Join
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:

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 a WHERE Clause
Filtering with the TOP and OFFSET-FETCH Options
Working with Unknown and Missing Values

Lab : Sorting and Filtering Data

Writing Queries That Filter Data Using a WHERE Clause
Writing Queries That Filter Data Using an ORDER BY Clause
Writing Queries That Filter Data Using the TOP Option
Writing Queries That Filter Data Using the OFFSET-FETCH Clause

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 2014 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 2014 Data Types
Working with Character Data
Working with Date and Time Data

Lab : Working with SQL Server 2014 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 Use Character Functions

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

Inserting Data
Updating and Deleting 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 FunctionsThis 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

Write queries which use conversion functions
Write queries which use logical functions
Write queries which test for nullability

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

Write queries which use the GROUP BY clause
Write queries which use aggregate functions
Write queries which use distinct aggregate functions
Write queries which filter groups with the HAVING clause

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

Write queries which use self-contained subqueries
Write queries which use scalar and multi-result subqueries
Write queries which use correlated subqueries and EXISTS predicate

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 Table Expressions
This module introduces T-SQL expressions which return a valid relational table, typically for further use in the query. The module discusses views, derived tables, common table expressions and inline table-valued functions.
Lessons

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

Lab : Using Table Expressions

Write Queries Which Use Views
Write Queries Which Use Derived Tables
Write Queries Which Use Common Table Expressions
Write Queries Which Use Inline Table-Valued Functions

After completing this module, you will be able to:

Write queries which use derived tables.
Write queries which use common table expressions.
Create simple views and write queries against them.
Create simple inline table-valued functions and write queries against them.

Module 12: Using Set Operators
This module introduces Microsoft SharePoint Server as a platform for BI, and then focuses on building BI dashboards and scorecards with PerformancePoint Services.
Lessons

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

Lab : Using Set Operators

Write queries which use UNION set operators and UNION ALL multi-set operators
Write queries which use CROSS APPLY and OUTER APPLY operators
Write queries which use EXCEPT and INTERSECT operators

After completing this module, you will be able to:

Write queries which combine data using the UNION operator
Write queries which compare sets using the INTERSECT and EXCEPT operators
Write queries which manipulate rows in a table by using APPLY with the results of a derived table or function

Module 13: Using Window Ranking, Offset, and Aggregate Functions
This module introduces window functions including ranking, aggregate and offset functions. Much of this functionality is new to SQL Server 2012. It will cover the use of T-SQL functions such as ROW_NUMBER, RANK, DENSE_RANK, NTILE, LAG, LEAD, FIRST_VALUE and LAST_VALUE to perform calculations against a set, or window, of rows.
Lessons

Creating Windows with OVER
Exploring Window Functions

Lab : Using Window Ranking, Offset and Aggregate Functions

Write queries which use ranking functions
Write queries which use offset functions
Write queries which use window aggregate functions

After completing this module, you will be able to:

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

Module 14: Pivoting and Grouping Sets
This module discusses techniques for pivoting data in T-SQL as well to introduce the fundamentals of the GROUPING SETS clause. It will also cover the use of GROUP BY ROLLUP and GROUP BY CUBE syntax in SQL Server.
Lessons

Writing Queries with PIVOT and UNPIVOT
Working with Grouping Sets

Lab : Pivoting and Grouping Sets

Write queries which use the PIVOT operator
Write queries which use the UNPIVOT operator
Write queries which use the GROUPING SETS subclause

After completing this module, you will be able to:

Write queries which pivot and unpivot result sets.
Write queries which specify multiple groupings with grouping sets.

Module 15: Executing Stored Procedures
This module introduces the use of existing stored procedures in a T-SQL querying environment. It discusses the use of EXECUTE, how to pass input and output parameters to a procedure, and how to invoke system stored procedures.
Lessons

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

Lab : Executing Stored Procedures

Use the EXECUTE statement to invoke stored procedures
Pass parameters to stored procedures
Execute system stored procedures

After completing this module, you will be able to:

Return results by executing stored procedures.
Pass parameters to procedures.
Create simple stored procedures which encapsulate a SELECT statement.
Construct and execute dynamic SQL with EXEC and sp_executesql.

Module 16: Programming with T-SQL
This module provides a basic introduction to T-SQL programming concepts and objects. It discusses batches, variables, control of flow elements such as loops and conditionals, how to create and execute dynamic SQL statements, and how to use synonyms.
Lessons

T-SQL Programming Elements
Controlling Program Flow

Lab : Programming with T-SQL

Declaring Variables and Delimiting Batches
Using Control-of-Flow Elements
Generating Dynamic SQL
Using Synonyms

After completing this module, you will be able to:

Describe the language elements of T-SQL used for simple programming tasks.
Describe batches and how they are handled by SQL Server.
Declare and assign variables and synonyms.
Use IF and WHILE blocks to control program flow.

Module 17: Implementing Error HandlingThis module introduces the use of error handlers in T-SQL code. It will introduce the difference between compile errors and run-time errors, and will cover how errors affect batches. The module will also cover how to control error handling using TRY/CATCH blocks, the use of the ERROR class of functions, and the use of the new THROW statement.Lessons

Using TRY / CATCH Blocks
Working with Error Information

Lab : Implementing Error Handling

Redirecting Errors with TRY / CATCH
Using THROW to Pass an Error Message Back to a Client

After completing this module, you will be able to:

Describe SQL Server's behavior when errors occur in T-SQL code.
Implement structured exception handling in T-SQL.
Return information about errors from system objects.
Raise user-defined errors and pass system errors in T-SQL code.

Module 18: Implementing Transactions
This module introduces the concepts of transaction management in SQL Server. It will provide a high-level overview of transaction properties, cover the basics of marking transactions with BEGIN, COMMIT and ROLLBACK.
Lessons

Transactions and the Database Engine
Controlling Transactions
Isolation Levels

Lab : Implementing Transactions

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

After completing this module, you 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 statements.
Use SET XACT_ABORT to define SQL Server's handling of transactions outside TRY / CATCH blocks.
Describe the effects of isolation levels on transactions.

Module 19: Improving Query Performance
This module presents several key guidelines for writing well-performing queries, as well as ways to monitor the execution of your queries and their impact on Microsoft SQL Server.
Lessons

Factors in Query Performance
Displaying Query Performance Data

Lab : Improving Query Performance

Viewing Query Execution Plans
Viewing Index Usage and Using SET STATISTICS Statements

After completing this module, you will be able to:

Describe components of well-performing queries.
Display and interpret basic query performance data

Module 20: Querying SQL Server Metadata
SQL Server provides access to structured metadata by using a variety of mechanisms, such as system catalog views, system functions, dynamic management objects, and system stored procedures. In this module, you will learn how to write queries to return system metadata using these mechanisms. 
Lessons

Querying System Catalog Views and Functions
Executing System Stored Procedures
Querying Dynamic Management Objects

Lab : Querying SQL Server Metadata

Querying System Catalog Views
Querying System Functions
Querying System Dynamic Management Views

After completing this module, you will be able to:

Write queries that retrieve system metadata using system views and functions.
Execute system stored procedures to return system information.
Write queries that retrieve system metadata and state information using system dynamic management views and functions.

 

Prerequisites

This course requires that you meet the following prerequisites:

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

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