Introduction To SQL

Introduction to SQL Course Overview

SQL (Structured Query Language) is the most popular database language in the world. It is used widely by a variety of database systems to create queries and manipulate data. SQL is generic and compatible with the majority of database systems, which explains its widespread use and why SQL certified individuals are highly valued by businesses.

Introduction to SQL Course Outline

This Introduction to SQL training course explores the following modules: 

SQL – An Overview

  • Relational Databases
  • Using SQL
  • Using Object Explorer
  • Hiding system objects

Creating databases

  • Designing databases
  • Primary keys
  • Indexing fields

Working with tables

  • Creating tables
  • Allowing nulls
  • Identity fields
  • Database diagrams
  • Designing database diagrams
  • Joining tables

Data Manipulation Language

  • SELECT, DISTINCT Operations
  • Functions
  • Ordering Data
  • Inserting, Updating & Deleting rows

Queries

  • Writing queries
  • Indentation and case
  • Setting criteria using WHERE
  • Wildcards
  • Setting criteria for dates
  • Dealing with nulls

Exporting

  • Results, text and grid options
  • Copying and pasting column headings
  • Exporting using SQL & the menu

Calculations

  • Calculated columns
  • Aliases
  • String functions and concatenation
  • Using GetDate
  • Converting dates
  • Useful date functions

Joins

  • Inner joins
  • Table aliases
  • Left and right outer joins
  • Cross joins
  • Full outer joins
  • Self joins

Aggregation and grouping

  • SUM, AVG, MIN, MAX
  • Counts
  • Grouping by fields
  • Using HAVING to filter results

Views

  • The view designer
  • Limitations of the designer
  • Scripting views