Key Information

Duration: 2 days

Course Learning Skills: SQL
Additional Material: Download Course Slides Link

Brief

Attendees

This course is for anybody who needs information from a Microsoft SQL Server database. It is suitable for either system developers or people from other areas who need to use SQL to extract and analyse data.

Prerequisites

Ideally each delegate should be familiar with the basic principles of data structures and database usage.

Benefits

Delegates will gain an understanding of the basic principles of Structured Query Language as well as being able to do each of the following:

  • Construct queries to extract and filter data from a SQL Server database
  • Create summarised results
  • Change, derive and format data to suit the required output
  • Change data and maintain database components and definitions

Basics

  • Selection of all columns/fields
  • Selection of certain columns/fields
  • Use of distinct/unique
  • Selection of certain rows/records
  • Selection of values in a range
  • Selection of values matching a pattern mask
  • Selection of values within a list
  • Treatment of null values
  • How to sort and order data
  • Selection of calculated and derived values
  • How to control column headings in query results
  • How to send query results to external files

Joining Tables

Principles of joining tables –

  • Use of Cartesian join
  • Use of inner join
  • Use of non-equi join
  • Use of outer join

Joining Queries

  • Union operator
  • Intersect operator
  • Except operator

Simple Functions

  • Conversion functions
  • Date functions
  • Number functions
  • Text functions
  • Group/summary/aggregate functions

Sub-Queries

  • Principles of sub-queries
  • How to filter rows from main query
  • Use of nested sub-query
  • Use of multi-column sub-query
  • Use of correlated sub-query
  • Use of sub-query as an inline view and common table expression
  • Use of sub-query as a column in main query

Case Statements

  • Principles of case statements
  • Use of case statement to derive column values
  • Use of nested case statements
  • Use of case statements to produce pivot tables
  • Use of case statement with sub-queries

Data Manipulation

  • How to insert values into a table
  • How to copy values between tables
  • How to update values
  • How to delete records
  • How to change data via views
  • Use of transactions
  • How to lock rows and tables

Data Definition

  • Principles of a relational database and data normalisation
  • Use of primary key and foreign key relationships and constraints
  • How to create tables
  • How to alter tables
  • How to create views
  • Use of synonyms
  • How to remove tables and views

Register your interest in a Talk-IT Course

Course Interest

Do a short survey to tell us what you think about training?

Click here to take the survey, it’ll only take a few minutes!

Scroll to Top