Gain insights into SQL by exploring database creation, data manipulation, and advanced queries. Learn about practical applications and practice for SQL interviews to build confidence and readiness.

sql.tar.gz

The ability to work SQL is becoming an increasingly in-demand skill, both for software developers and people in less technical roles. If you’re interested in learning SQL and have no prior experience with it, then this course will be your light in a dark tunnel.

You’ll start by covering the basics of SQL such as how to create a database, how to insert, query, and update data. You’ll also learn fundamental concepts that developers and data scientists use everyday such as multi-table operations, nested queries, and how to set up views. 

Throughout, you’ll get to execute SQL queries in your browser and see results in real-time - you won’t need to worry about set-up.

At the end of this course, you’ll also get some hands-on practice with common SQL interview questions, so when the time comes, you’ll be ready and confident to answer any question that comes your way. Let’s get started!

An Introductory Guide to SQL

The relationships defined on this table with other tables, the integrity checks and constraints, access privileges and other grants that the table has are deleted along with the data in the table.

The relationships defined on this table with other tables, the integrity checks and constraints, access privileges and other grants that the table has are not deleted and the table retains its original structure.

```mysql
TRUNCATE tblA;
```
What will be the outcome of this query?


<pre><code class="language-mysql">TRUNCATE tblA;
</code></pre>
<p>What will be the outcome of this query?</p>


Question # 1

<p>Question # 1</p>


Quiz yourself on basic MySQL queries and commands, including TRUNCATE, DELETE, and pattern matching operators.

Introduction

Basic SQL

Joins

Nested Queries

Multi Table Operations

Views

Stored Procedures

Triggers

Miscellaneous

Practice & Prep

Epilogue

Quiz 9