SQL Fundamentals

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$389

AUD

35% off

$599 AUD

Quick Facts

Delivery Method Online
Professional Certificate
24hrs Suggested Study Time
3 Months Access
Tutor Support
Study On Any Device
26703 Students

Gain a solid working knowledge of the most powerful and widely used database programming language.

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

In this course, you'll learn about the basic structure of relational databases and how to read and write simple and complex SQL statements and advanced data manipulation techniques. First, you'll learn about the traditional database structure, the structure and history of the relational database, and what structured query language (SQL) is and how it relates to the relational-database structure.

Next, you'll discover how to use SQL to sort and retrieve data from tables and how to use SQL to filter retrieved data. You'll learn how to reformat retrieved data with calculated fields and how to merge columns and create alternate names for columns.You'll also learn how to gather significant statistics from data using aggregate functions, and you'll see how to extract data from multiple tables simultaneously using joins and subqueries. In addition, you'll learn how to manipulate data using the INSERT, UPDATE, and DELETE statements.

We'll also cover how to use SQL to create and maintain tables, and you'll learn how to create and use views to simplify complex queries, summarise data, and manipulate data stored in tables. You'll discover how transaction processing, constraints, and indexes are implemented in SQL. And finally, you'll discover how stored procedures, triggers, and cursors are implemented in SQL.

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.

Courses are delivered to you through expertly executed lessons, online instruction and interaction with like-minded students. Our courses are designed to deliver all of the benefits of studying in a classroom whilst giving you the flexibility to study at a time and place to suit your needs. You can access your classroom 24/7 from any device with an internet connection.

This course has a 3 month duration. You'll complete comprehensive lessons, quizzes and assignments before submitting your final exam at the end of the course to achieve your certificate. Courses must be completed within the 3 month access period.

In our first lesson, we'll explore the basic structure and history of relational databases. Then, you'll understand what SQL is and how it is used with a relational database.

In this lesson, you'll learn how to use SQL to sort and retrieve data from tables. We'll talk about important query terms that enable you to communicate with your database, as well as syntax rules that will enable you to create clear and understandable queries while avoiding system generated errors.

In this lesson, you'll learn how to use SQL to filter retrieved data. You'll practice sorting retrieved data using the ORDER BY clause. You'll be able to sort single and multiple columns, and you'll know how to specify sort directions such as ascending and descending order. You'll also learn additional query terms that will help you customize your SQL queries.

Today, you'll learn how to reformat retrieved data with calculated fields and functions. You'll also learn how to create alternate names for columns and you'll discover the secret behind merging columns with the concatenation symbol.

In this lesson, we'll discuss gathering significant statistics from data using aggregate functions. You'll also learn how to use the GROUP BY clause in conjunction with an aggregate function to gather important statistics from a table. Then you'll find out how to use the HAVING clause in conjunction with an aggregate function to filter groups of data from a table.

Today's lesson is all about subqueries. You'll 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. Then we'll talk about qualification—a technique used to combine a table name with a column name so there's no question about which table the column name refers to.

In this lesson, you'll learn how to use joins to gather information from two or more tables simultaneously. You'll learn how to use the inner join, self-join, natural join, and the outer join. Then you'll become familiar with the term Cartesian product.

In today's lesson, you'll discover how to manipulate data using the INSERT, UPDATE, and DELETE statements. You'll learn how to insert partial and complete rows into a table, and how to update information already stored in a table. You find out how to transfer data to a new table, how to transfer data to an existing table, and how to delete rows from a table.

Today, you'll find out how SQL can be used 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 find out how to define a primary key, data type, and field size.

In this lesson, you'll learn how and why views are used in SQL. You'll learn how to create and use views to simplify complex queries, summarize data, and manipulate data stored in tables. I'll also teach you how to update and delete a view.

Today, you'll learn how transaction processing, constraints, and indexes are implemented in SQL. You'll work through an example that demonstrates how a transaction is created, how constraints are used in the creation of a table, and how indexes are used to improve the performance of a database by optimizing the speed at which queries are processed.

In our last lesson, you'll find out how stored procedures, triggers, and cursors are implemented in SQL. You'll see how stored procedures are created and executed, as well as how triggers work. You'll also see how cursors are declared in SQL.

Cecelia Allison

Cecelia Allison is an experienced software tester and technicalspecialist with more than 15years of hands-on experience using and teaching SQL. She is also a technical writer, a published author, and a university instructor. Sheholds a Bachelor of... Read more

Read Cecelia Allison's Profile

Frequently Asked Questions

Once you've made the payment, we'll send you a confirmation email with a link to start your course. Feel free to get started whenever you're ready!

You'll have 3 months access to your course. In that time you are free to study at your own pace. The course duration is 24 hours.

Online learning is a flexible way to study that fits around your schedule, giving you the freedom to learn at your own pace from anywhere in the world. You'll have 3 months to complete the course and can take the multiple-choice questions and final exam whenever it suits you.

If you need help, you can contact us anytime. You can also join the discussion area where you can interact with other students. The discussion area for each lesson is open for the entire duration of the course.

Of course! We offer a 7-day money back guarantee. As long as you haven't completed the course, you can get a full refund within 7 days of enrolling.

We do not offer extensions or transfers for this self-paced course. However, you will have 3 months to complete the course, and if you need to cancel within the first 10 days of enrolment, we offer a money back guarantee.

What people are saying about our courses

Cecelia did a fine job in presenting the material and backing it up with examples. The assignments and questions on the quizzes were also appropriate. Enjoyed it!

Verified Student

I really wanted to thank Ms. Allison for conducting this course. I have tried to take an SQL course before but had to quit as the instructor taught so far above my head I could not understand the subject matter. This course was broken down into small bites and the quizzes and assignments helped to bring the concept home! I have enjoyed this course and would consider taking another course like this. I have already recommended this course to a friend who has also taken it. We both are very happy with the results. Thanks Again.

Verified Student

It made me feel good to know that Cecelia Allison is an expert on this subject. I bought both of her books and I have learned a lot. Her style of teaching makes learning easy and fun. I feel very fortunate to have learned from such an expert in the field.

Verified Student

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The Learning Environment

From the moment that you enrol in the SQL Fundamentals you will become an integral part of our learning community. You'll find yourself with the freedom to learn at a speed that suits you, on any device, from anywhere in the world. Achieving your career goals no longer has to mean compromising family and work commitments.

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We believe in personalised learning. That's why we provide all the tools and support you need to succeed at your own pace. With flexible learning, you'll stay motivated and retain more information. Plus, you can balance your studies with work and family commitments to make your dreams a reality.

We Won't Break The Bank

Education should be accessible to anyone who wants to learn. That's why we offer some of the most competitive prices in the industry with payments plans for just $25 per week. Investing in your future is a smart choice and doesn’t have to break the bank.

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SQL Fundamentals

$599

$389AUD

Save 35%

Oracle Intermediate

Quick Facts

Delivery Method Online
Professional Certificate
24hrs Suggested Study Time
3 Months Access
Tutor Support
Study On Any Device
2182 Students

Learn how to write powerful and flexible PL/SQL programs.

Gain hands-on experience with Oracle's PL/SQL programming language, with expert assistance from an IT veteran. PL/SQL is Oracle's procedural language extension to Structured Query Language (SQL). This course will give you the skills you need to write powerful and flexible programs using that language. You'll learn the building blocks and core features of PL/SQL, including expressions, various iterations, and built-in functions. Then, you'll begin building fully functional PL/SQL programs with procedures, packages, debugging routines, database structures, triggers, and cursor processing. By the time you finish this course, you will be able to store PL/SQL programs in a database and execute them.

In our first lesson, you'll master the basics of PL/SQL and discover how you can best get started using this powerful language.You'll also learn the differences between SQL, SQL*Plus, and PL/SQL today.

The block is the basic unit of PL/SQL programming. In this lesson, you'll learn and understand the various datatypes available to you when declaring variables. You'll also explore the PL/SQL's block structure, its use, and its impact on the scope of variable declarations.

Today, you're going to learn how to use operators to manipulate variables. You'll build simple expressions that compute two values, as well as complex expressions that consist of function calls, operations using variables, and relational comparisons. You'll also learn about datatype conversions for expressions that contain operands of multiple datatypes.

In this lesson, you'll take a closer look at how to create your own functions. The two main reasons for writing functions are the reduction of code and their ease of use. You'll learn how to code PL/SQL functions, how to define parameters in the functions, and how to store them. I'll also show you how to control the execution of PL/SQL blocks using the IF and looping statements. Then, we'll explore the various IF statements and how they operate, and you'll gain experience working with a simple loop.

In today’s lesson, you'll begin to master more methods for changing the order of execution of PL/SQL blocks. We'll cover statement labels, the GOTO statement, and the different kinds of loops. You'll learn how to branch by using the GOTO statement followed by a statement label. Then, we'll discuss why the statement label must appear in the same block and within the same scope as the GOTO statement. Next, we'll look at control structures. You'll learn about the different kinds of loops and how they operate. Finally, you'll discover techniques for exiting loops and how to simulate a REPEAT...UNTIL loop.

We'll look at a number of Oracle’s built-in functions in this lesson, including string functions, number functions, date functions, and conversion functions.

In this lesson, we'll focus on procedures and packages and how they allow you to organize your PL/SQL code into logical groups for uncomplicated maintenance and implementation.

Errors that occur from hardware or network failures, application logic errors, data integrity errors, and other sources are called <em>exceptions</em>. In this lesson, I'll introduce you to the concepts behind PL/SQL exception handling. I'll explain the different types of exceptions and show you how to identify and handle errors in your code.

The Structured Query Language (SQL) is the industry standard for accessing data from relational databases. In this lesson, we'll address the connection to the underlying Oracle database through SQL (Structured Query Language). We'll cover the usage of SQL's Data Manipulation Language (DML) commands within a PL/SQL block. Then you'll learn how to define DML transactions that insert, update, delete, and query the information.

PL/SQL cursors provide a method for selecting multiple rows of data from the database and processing each row individually. You can use cursors for simple procedures and complex processing. In this lesson, I'll introduce you to cursors and how they may be used.

In this lesson, you'll learn about triggers and experiment with implementing a few different types of functionality. We'll discuss advanced cursor concepts, which include the SELECT...FOR UPDATE statement, the WHERE CURRENT OF clause, and subqueries in cursors. Finally, you'll learn techniques to managing PL/SQL code.

Although some may never admit to it, everyone makes mistakes, so you will inevitably make some coding errors. These errors are usually comprised of syntax and logic errors. In our final lesson, I'll demonstrate how to find these bugs and then how to reduce the number of coding mistakes you may encounter.

Cindy Delia

Cindy Delia is a Systems Analyst and a certified instructor. She has been working in information technology for more than 18 years and has been a technical trainer for over 6 years. As a Systems Analyst, she specialises in database management syst... Read more

Read Cindy Delia's Profile

Frequently Asked Questions

Once you've made the payment, we'll send you a confirmation email with a link to start your course. Feel free to get started whenever you're ready!

You'll have 3 months access to your course. In that time you are free to study at your own pace. The course duration is 24 hours.

Of course! We offer a 7-day money back guarantee. As long as you haven't completed the course, you can get a full refund within 7 days of enrolling.

The Learning Environment

From the moment that you enrol in the Oracle Intermediate you will become an integral part of our learning community. You'll find yourself with the freedom to learn at a speed that suits you, on any device, from anywhere in the world. Achieving your career goals no longer has to mean compromising family and work commitments.