Databases Made Easy: Full explanations and Practical Examples | Complete IGCSE ICT Guide [0417]
Learn everything you need to know about databases in this complete, easy-to-follow guide — perfect for IGCSE Cambridge ICT students and beginners!
🔹 Understand database concepts
🔹 Create and modify tables
🔹 Build queries and use criteria
🔹 Practice with real examples from the IGCSE syllabus
Whether you're studying for the exam or just want to learn how databases work, this video breaks it all down in a simple and clear way.
0:00 Intro
02:39 What is data, database and information
04:07 An analogy to understand the difference of data, database and information
08:34 Organizing data to create a Flat File Database
10:31 What is a Field and a Record
12:56 Looking at 2 variations of Flat Files to resolve an issue and the problem each method creates
19:16 Identifying that our current Flat Files do not have field which is unique
20:23 Breaking our Flat File into separate tables (normalizing)
22:21 The issue of linking the tables together.
25:00 Creating a Unique field (Primary Key). Examples of unique fields in different types of databases and their need.
28:02 Liking the individual tables. Creating Relationships.
30:29 Understanding a 1 to Many Relationship
32:15 Appropriate naming for Fields
33:58 Primary Key and Foreign Key
37:55 Different types of Data types and their limitations. Assigning Data types for Fields. Understanding what Data types are.
Text
Numeric (integer, decimal)
Boolean
Date/Time
48:00 Planning a database so we can create it in Access (Field names, data types, Validation)
54:20 Quick recap on what we have done up to the point where we have the plan for our database.
57:24 Understanding what a Query is
01:00:48 Understanding Reports
01:07:01 Creating the database in Access
01:07:52 Creating the student table
01:10:56 Adding an Input Mask (input mask symbols)
01:14:54 Date formats
01:15:35 Checking your Regional settings to avoid date format issues and Import errors.
01:20:52 Creating the Test Table. Validation rule added
01:27:35 Creating the Parent Table. Adding a mask for the Telephone
01:32:31 Creating the relationships between tables
01:34:34 Understand what Enforcing referential integrity means
01:36:48 Creating a Query
01:41:29 Changing the data and running the Query to see that the query will display the new results
01:42:53 Creating a Report based on the Query. Demonstrating grouping
01:46:43 Seeing how the report updates when the data in the tables change.
01:47:30 Sum up
Download the resources i used in the tutorial
https://www.dropbox.com/scl/fo/m2zox0...