ALTER TABLE customer ADD CONSTRAINT customer_number_unique UNIQUE (customer_number);
Trash bin
Reasons:
When you remove a file from the hard drive it is still written in binary code. So, windows places files in the *trash bin* if you did not want to delete it.
Unless USB or Removable flash drive, when you delete that it does not place any files in the trash bin.
Hi,
This what you are looking for: "records incorrect prompt"
Hope this helps.
r3t40