User name.
User name
user id
Atoms are differentiated by their number of protons. This is equal to the atomic number of the element. Additionally, in chemical formulas, each element is represented by a unique atomic symbol.
He has not family name. The family name identifies one's family tree. Japanese Emperor family is only and unique, so they don't need to have family name.
I think the most important civilization to the Chinese should be their language and characters. They are unique to others, and where Chinese culture and literature rooted.
The system of writing that contained over 2000 characters that was unique to the Egyptians is referred to as hieroglyphics. The Egyptians even had a form of hieroglyphs, that are similar in function to our cursive writing, that were used for religious ceremonies.
Filename
user name
user id
user id
website
User Name
A partial identifier in DBMS is a type of identifier that uniquely identifies a specific entity within a given context or scope. It is a combination of attributes that, when taken together, establish a unique identity for the entity. Partial identifiers may not be unique on their own but become unique when combined with other attributes.
An account code is a unique string of characters, particularly a combination of letters and numbers, which serves as an identifier for a person's account.
The doctrine that identifies God with the Universe, or the worship or tolerance of many Gods
VIN Vehichle Identification Number
address
A composite key is a combination of two or more columns in a database table that uniquely identifies each record. It is used when a single column does not provide a unique identifier, so multiple columns are combined to create a unique identifier for each row.