€13.03 – €15.98
Attributes:
- Data Type:
INTEGER - Constraints:
PRIMARY KEY: Ensures uniqueness and serves as the table’s primary identifier.NOT NULL: Guarantees that every record must have a value forcustomer_id.AUTO_INCREMENT: Automatically generates a unique value for each new record (if applicable).
- Description:
A system-generated or manually assigned numerical ID used to uniquely identify customers within the database.






