Data Operations (CRUD) πΒΆ
Prerequisites: Table Management
Mentor's Note: CRUD stands for **C**reate, **R**ead, **U**pdate, and **D**elete. This is what developers do 90% of the time. Once you master this module, you can build the data-engine for any app! π‘
ποΈ What you will learn:ΒΆ
- SELECT: How to Read and fetch data.
- INSERT: How to Create new records.
- UPDATE: How to Modify existing records.
- DELETE: How to Remove records safely.
π¨ Visual Logic: The Data LifecycleΒΆ
graph LR
A[INSERT π₯] --> B[(Database ποΈ)]
B -- "Fetch" --> C[SELECT π€]
B -- "Change" --> D[UPDATE βοΈ]
B -- "Remove" --> E[DELETE β]