Microsoft SQL Server: Querying Data for Report Developers

Course:  SSQFD
Duration:  3 Days
Level:  I
Course Summary

This 3 day course is intended for students who need to familiarize themselves with the various querying techniques available to retrieve data from a Microsoft SQL Server database in a report authoring environment, whether that be through an implementation of Microsoft SQL Server Reporting Services or similar reporting tool. No previous knowledge of the SQL language is assumed as the course is designed from the ground up, starting with basic queries and advancing to more complex querying concepts. The course also examines good query design and best practices by taking a look at how queries are processed by the Microsoft SQL Server database engine, and the implementation of programming objects such as Stored Procedures and User Defined Functions. On completion of the course students will be fully conversant with the SQL language and able to right effective queries for reporting purposes.

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Topics Covered In This Course

Introduction to SQL Server Management Studio

  • Objects in a SQL Server Database
  • Database Diagrams
  • Components of a SQL Server Database Table
  • Native SQL Server Data Types

Introduction to SQL and Transact-SQL (T-SQL)

  • Categories of SQL Statements
  • T-SQL Scripts
  • Adding Comments to T-SQL Code
  • Working with Variables
  • Conditional Statements

Using the SELECT Statement to Retrieve Data

  • Examine the Basic Syntax of the SELECT Statement
  • Retrieving Columns of Data from a Table
  • Using Aliases for Column Names
  • Using Aliases for Table Names

Retrieving Specific Rows of Data Using the WHERE Clause

  • How to Use the WHERE Clause
  • Overview of Operators
  • Filter Data by Using Comparison Operators
  • Filter Data by Using String Comparisons
  • Filter Data by Using Logical Operators
  • Filter Data Using a Range of Values
  • Filter Data Using a List of Values
  • Working with NULL Values
  • Introducing Native SQL Server Functions
  • Functions Relating to NULL Values

Formatting and Sorting Result Sets

  • Sorting Data Using the ORDER BY Clause
  • Eliminating Duplicate Rows
  • Using String Literals
  • Using Expressions

Querying Data from Multiple Tables by Using Joins

  • Introduction to Joins
  • Using Inner Joins
  • Using Outer Joins
  • Joining More than Two Tables
  • Joining a Table to Itself (Self Join)

Summarizing Data Using Aggregate Functions

  • Using Aggregate Functions Native to SQL Server
  • Using Aggregate Functions with NULL Values
  • Grouping Summarized Data with GROUP BY
  • Filtering Grouped Data Using the HAVING Clause

Ranking Grouped Data

  • Ranking Data Using Ranking Functions
  • Using ROW_NUMBER
  • Using RANK
  • Using DENSE_RANK
  • Using NTILE
  • Summary of Ranking Functions Based on Their Functionality

Combining and Limiting Result Sets

  • Combining Result Sets Using the UNION Operator
  • Limiting Result Sets Using the TOP Operator

Working with Subqueries

  • Introduction to Subqueries
  • Using Subqueries as Expressions and Derived Tables
  • Using Correlated Subqueries
  • Using the EXISTS Clause with Correlated Subqueries

Performance Considerations for Writing Queries

  • How SQL Server Processes Queries
  • How the Query Optimizer Processes Search Arguments
  • Writing Efficient Search Arguments

Working with SQL Server Date and Time Data

  • Data Type Precedence
  • Implicit and Explicit Data Type Conversion
  • Querying Date and Time Data

Implementing Stored Procedures

  • Overview of Stored Procedures
  • How Stored Procedures Are Executed by SQL Server
  • Creating and Using a Stored Procedure
  • Parameterizing Stored Procedures

Implementing User Defined Functions

  • Overview of User Defined Functions (UDFs)
  • Creating and Modifying UDFs
  • Restrictions When Creating UDFs
  • Implementing Different Types of UDFs
What You Can Expect

Upon successful completion of this course, students will be able to:

  • Understand the Syntax of Transact-SQL
  • Retrieve, Filter and Sort Data
  • Query Data from Multiple Tables by Using Joins
  • Summarize and Rank Grouped Data
  • Combine and Limit Result Sets
  • Work with Subqueries
  • Understand Query Performance Issues
  • Work with the SQL Server Date and Time Data Types
  • Implement Stored Procedures
  • Implement User Defined Functions
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