Q Visible

@UCO-wGFWNkHJKgj5VeYobkFg - 12.9K subscribers

I'm a lecturer at an Irish university. I make tutorials on many different subjects that I teach to help my students and a wider audience as a quick references. Some of the different topics that I focus on are databases, data science, spreadsheets: excel and google sheets , audio and video media production, internet of things, digital marketing, programming, web design. I often include download links in my descriptions to allow viewers to get the files and work alongside the video. My github is here: github.com/qVisible. Go ahead and subscribe and press the alert button.

Home Videos Live Playlists

SQL JOIN Comprehensive Tutorial for Beginners

SQL JOIN Comprehensive Tutorial for Beginners Q Visible

4.4K views - 3 years ago

Master the HAVING Clause in SQL: Ultimate Guide to Grouped Data Filtering (LIKE WHERE for Groups)

Master the HAVING Clause in SQL: Ultimate Guide to Grouped Data Filtering (LIKE WHERE for Groups) Q Visible

1.6K views - 3 years ago

SQL GROUP BY Clause: Step-by-Step Tutorial for Students | Home Rentals Database Example

SQL GROUP BY Clause: Step-by-Step Tutorial for Students | Home Rentals Database Example Q Visible

465 views - 3 years ago

Master AVG & MAX Aggregate Functions in SQL: Essential Guide for Data Analysis & Business Students

Master AVG & MAX Aggregate Functions in SQL: Essential Guide for Data Analysis & Business Students Q Visible

943 views - 3 years ago

AS keyword SQL - Renaming Column Headings in SQL with the 'AS' Keyword - A Beginner's Guide

AS keyword SQL - Renaming Column Headings in SQL with the 'AS' Keyword - A Beginner's Guide Q Visible

1.6K views - 3 years ago

Mastering Aggregate Functions in SQL - Count and Sum Explained

Mastering Aggregate Functions in SQL - Count and Sum Explained Q Visible

2.4K views - 3 years ago

Wildcard characters in SQL WHERE clauses - Mastering SQL Wildcard Character for Data Filtering

Wildcard characters in SQL WHERE clauses - Mastering SQL Wildcard Character for Data Filtering Q Visible

1.6K views - 3 years ago

IN, NOT IN Keywords in SQL WHERE clauses - Exploring the Power of 'IN' and 'NOT IN' Keywords in SQL

IN, NOT IN Keywords in SQL WHERE clauses - Exploring the Power of 'IN' and 'NOT IN' Keywords in SQL Q Visible

1.2K views - 3 years ago

Understanding 'Between' and 'Not Between' Keywords as an Alternative to 'Or' and 'And' in SQL

Understanding 'Between' and 'Not Between' Keywords as an Alternative to 'Or' and 'And' in SQL Q Visible

1.4K views - 3 years ago

AND, OR in WHERE Clauses SQL - SQL Logical Compound Comparison Searches

AND, OR in WHERE Clauses SQL - SQL Logical Compound Comparison Searches Q Visible

2.3K views - 3 years ago

Calculated Fields in SQL

Calculated Fields in SQL Q Visible

6.7K views - 3 years ago

PHP Random Colored Divs - For loops

PHP Random Colored Divs - For loops Q Visible

865 views - 3 years ago

Learn Media Queries - Web Design Layout

Learn Media Queries - Web Design Layout Q Visible

439 views - 3 years ago

Validating Credit Card - PHP Applied Example

Validating Credit Card - PHP Applied Example Q Visible

1.2K views - 3 years ago

While Loops Php Example - Lottery Slip

While Loops Php Example - Lottery Slip Q Visible

1.5K views - 3 years ago

Basic Workflow of Adobe Premiere Pro

Basic Workflow of Adobe Premiere Pro Q Visible

835 views - 4 years ago

SQL ORDER BY Keyword for Sorting Query Results

SQL ORDER BY Keyword for Sorting Query Results Q Visible

13K views - 5 years ago

SELECT query in SQL - Retrieval of records from a table

SELECT query in SQL - Retrieval of records from a table Q Visible

68K views - 5 years ago

Intro to SQL tutorial series

Intro to SQL tutorial series Q Visible

2.2K views - 5 years ago

Pie Charts - Creating & formatting - Mac Excel

Pie Charts - Creating & formatting - Mac Excel Q Visible

56K views - 5 years ago

Database Constraints - What they are and How to use them

Database Constraints - What they are and How to use them Q Visible

9.8K views - 5 years ago

Viewport - Its Origins & Use

Viewport - Its Origins & Use Q Visible

1K views - 5 years ago

Adding the Analysis Toolpak for Mac Excel

Adding the Analysis Toolpak for Mac Excel Q Visible

106K views - 5 years ago

z-index in CSS - How to re-order layers in your HTML

z-index in CSS - How to re-order layers in your HTML Q Visible

18K views - 5 years ago

Bookmark links in HTML - Navigation Tutorial

Bookmark links in HTML - Navigation Tutorial Q Visible

9K views - 5 years ago

Excel Dashboard - Step by Step

Excel Dashboard - Step by Step Q Visible

678 views - 5 years ago

Power Queries in Excel For Mac

Power Queries in Excel For Mac Q Visible

83K views - 5 years ago

Central Limit Theorem - Explanation with Excel Download

Central Limit Theorem - Explanation with Excel Download Q Visible

17K views - 5 years ago

How to Insert Chapters in YouTube Videos - A Step-by-Step Tutorial

How to Insert Chapters in YouTube Videos - A Step-by-Step Tutorial Q Visible

112 views - 5 years ago

Facility Location - Simple Median Method

Facility Location - Simple Median Method Q Visible

13K views - 5 years ago

Relative vs Absolute vs Mixed Cell Referencing

Relative vs Absolute vs Mixed Cell Referencing Q Visible

1.7K views - 5 years ago

Define Name Feature Excel

Define Name Feature Excel Q Visible

58K views - 5 years ago

Simplest 4 Page Website - Tutorial HTML

Simplest 4 Page Website - Tutorial HTML Q Visible

27K views - 5 years ago

Project Folders in Brackets

Project Folders in Brackets Q Visible

8.1K views - 5 years ago

Flash Fill in Excel - Rapid Population of Cells

Flash Fill in Excel - Rapid Population of Cells Q Visible

178 views - 5 years ago

GROUP_CONCAT function in SQL

GROUP_CONCAT function in SQL Q Visible

14K views - 6 years ago

Using the Session Variable in PHP to create bookmarks in a website

Using the Session Variable in PHP to create bookmarks in a website Q Visible

4.1K views - 6 years ago

Session Variable in PHP - How To Use It - An introductory tutorial

Session Variable in PHP - How To Use It - An introductory tutorial Q Visible

22K views - 6 years ago

LOOKUP function in spreadsheets Excel & Google Sheets

LOOKUP function in spreadsheets Excel & Google Sheets Q Visible

18K views - 6 years ago

Export SQL Dump From PhpMyAdmin MySql

Export SQL Dump From PhpMyAdmin MySql Q Visible

15K views - 6 years ago

Import SQL File - Creating & Populating Tables

Import SQL File - Creating & Populating Tables Q Visible

7.4K views - 6 years ago

Overbooking Loss Table - Optimize Your Income

Overbooking Loss Table - Optimize Your Income Q Visible

6.5K views - 6 years ago

Personalized Hyperlinks in Mail Merge MS Word

Personalized Hyperlinks in Mail Merge MS Word Q Visible

102K views - 7 years ago

Insert Record to the Database from PHP

Insert Record to the Database from PHP Q Visible

1.7K views - 7 years ago

Update for CRUD in php and MySQL

Update for CRUD in php and MySQL Q Visible

342 views - 7 years ago

Delete from MySql Table from PHP - CRUD functionality

Delete from MySql Table from PHP - CRUD functionality Q Visible

565 views - 7 years ago

Adding Delete & Edit Links for out CRUD functionality

Adding Delete & Edit Links for out CRUD functionality Q Visible

552 views - 7 years ago

CRUD Read PHP Database Example

CRUD Read PHP Database Example Q Visible

1K views - 7 years ago

Layout Example CSS - Float, Display, Clear, Overflow properties

Layout Example CSS - Float, Display, Clear, Overflow properties Q Visible

31K views - 7 years ago

AND Logical Operator example in PHP

AND Logical Operator example in PHP Q Visible

436 views - 7 years ago

Fade to Black in Premiere

Fade to Black in Premiere Q Visible

146 views - 7 years ago

Fade In Effect in Premiere

Fade In Effect in Premiere Q Visible

79 views - 7 years ago

Green / Pink Screen Adobe Premiere Solve

Green / Pink Screen Adobe Premiere Solve Q Visible

6.9K views - 7 years ago

str_replace() - multi parameter functions in php

str_replace() - multi parameter functions in php Q Visible

4.8K views - 7 years ago

if elseif with substr() PHP example - Focusing on top level domains

if elseif with substr() PHP example - Focusing on top level domains Q Visible

900 views - 7 years ago

if else PHP example - creating a conversion tool Miles to Kilometres

if else PHP example - creating a conversion tool Miles to Kilometres Q Visible

2.1K views - 7 years ago

3 Column Layout in CSS Intro

3 Column Layout in CSS Intro Q Visible

4.4K views - 7 years ago

2 Column Layout in CSS Intro

2 Column Layout in CSS Intro Q Visible

2.2K views - 7 years ago

Layout Intro Using Floats CSS HTML

Layout Intro Using Floats CSS HTML Q Visible

5.8K views - 7 years ago

Creating Project Network Diagrams in Microsoft Word

Creating Project Network Diagrams in Microsoft Word Q Visible

96K views - 8 years ago