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sql-queries

Introduction to SQL

Learn the key concepts of Structured Query Language (SQL), and gain a solid working knowledge of this powerful and universal database programming language.

By the end of this course, you'll have a solid working knowledge of structured query language. You'll feel confident in your ability to write SQL queries to create tables; retrieve data from single or multiple tables; delete, insert, and update data in a database; and gather significant statistics from data stored in a database.

6 Weeks / 24 Course Hrs
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Learning Method

Selection of this learning method allows you to take this course at your own pace, explore the content in any order, and 3 months to complete it.

Introduction to SQL

Learning Method

Selection of this learning method allows you to take this course at your own pace, explore the content in any order, and 3 months to complete it.

Introduction to SQL Reviews

Introduction to SQL Details + Objective

Course Code: sql

You Will Learn
  • Learn about the basic structure of relational databases and how to read and write simple and complex SQL statements and advanced data manipulation techniques
  • Discover how to use SQL to filter retrieved data and how to use SQL to sort and retrieve data from tables
  • Learn how to reformat retrieved data with calculated fields and how to merge columns and create alternate names for columns
  • Learn how to gather significant statistics from data using aggregate functions
  • Learn how to manipulate data using the INSERT, UPDATE, and DELETE statements
  • Understand how to use SQL to create and maintain tables, and how to create and use views to simplify complex queries, summarize data, and manipulate data stored in tables
  • Discover how transaction processing, constraints, and indexes are implemented in SQL
  • Discover how stored procedures, triggers, and cursors are implemented in SQL
How the course is taught
  • Instructor-led course
  • 6 weeks in duration
  • Courses begin each month
  • 2 lessons released each week
  • 24 course hours
How you will benefit
  • Gain confidence in your ability to write in the universal database programming language of SQL
  • Open the door to opportunities as you list basic SQL programming as a skill on your resume
  • Develop a new skill and learn whether or not you would like a career in IT
Introduction to SQL Outline
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Week 1

Explore the basic structure and history of relational databases and discover what SQL is and how it's used with a relational database. Then, you'll learn how to use SQL to filter and retrieve data from tables.

Week 2

Learn how to use SQL to filter retrieved data using the ORDER BY clause and additional query terms that will help you customize your queries. Then, learn how to reformat retrieved data with calculated fields and functions.

Week 3

Discover how to gather significant statistics from data using aggregate functions and learn how to use the GROUP BY clause in conjunction with an aggregate function to gather important statistics from a table as well as the HAVING clause in conjunction with an aggregate function to filter groups of data from a table. Then, learn how to extract data from multiple tables simultaneously, how to use calculated fields in subqueries, how to use the DATEPART () function in subqueries, and how to use aggregate functions in subqueries.

Week 4

Learn how to use joins to gather information from two or more tables simultaneously. Then, discover how to manipulate data using the INSERT, UPDATE, and DELETE statements. 

Week 5

Find out how you can use SQL to create and maintain tables. You'll learn how to use the CREATE TABLE keywords to create a table, then we'll discuss how to use the ALTER TABLE, DROP TABLE, ADD COLUMN, and DROP COLUMN keywords to manipulate the tables themselves. You'll also learn how and why views are used in SQL.

Week 6

Learn how transaction processing, constraints, and indexes are implemented in SQL. Finally, you'll find out how stored procedures, triggers, and cursors are implemented in SQL.

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Introduction to SQL Instructors
Dr. Cecelia Allison

Dr. Cecelia Allison is an experienced software tester and technical specialist with more than 15 years of hands-on experience using and teaching SQL. She is also a technical writer, a published author, and a university professor. She holds a Bachelor of Science in finance, a Master of Science in information systems and a Doctor of Business Administration in management information systems.

Requirements / Prerequisites

There are no prerequisites for this course.

Any type of computer with a Windows Operating System, and any desktop (standalone, not required to run over a server) or client/server (required to run over a server) Database Management System (DBMS) that you are familiar with that supports the execution of Structured Query Language (SQL).

Examples include:

  • Microsoft Access
  • Microsoft SQL Server
  • Oracle
  • MySQL
  • Sybase
  • PostgreSQL

Downloads and instructions for Microsoft Access and SQL Server are available in the course.

Introduction to SQL Frequently Asked Questions
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When can I get started?

A new session of each course opens each month, allowing you to enroll whenever your busy schedule permits!

How does it work?

Once a session starts, two lessons will be released each week, for the six-week duration of your course. You will have access to all previously released lessons until the course ends.

How long do I have to complete each lesson?

Keep in mind that the interactive discussion area for each lesson automatically closes 2 weeks after each lesson is released, so you’re encouraged to complete each lesson within two weeks of its release.

What if I need an extension?

The Final Exam will be released on the same day as the last lesson. Once the Final Exam has been released, you will have 2 weeks plus 10 days to complete the Final and finish any remaining lessons in your course. No further extensions can be provided beyond these 10 days.

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