Скачать или смотреть MySQL : Prevent duplicate records to a table using PHP

MySQL : Prevent duplicate records to a table using PHP
To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

I promised to reveal a secret feature to you, and now it's time to share it.
This is a YouTube's feature which works on Desktop.
First, Ensure that the video is playing before proceeding.
Next, enter the letters 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

A short overview of who I am,
Salutations, my name is Delphi.
I can help you find the answers you are looking for.
MySQL : Prevent duplicate records to a table using PHP
Don't hesitate to ask me more detailed questions by commenting or starting a chat.
Your input is valuable, so please comment below if you have an answer or any insights to the answer.
Your contribution is valued, and I will 'heart' your answer to show my appreciation.
a to using Prevent : MySQL records PHP table duplicate