# Functions
Compares the provided hash with the given string.
Deletes a user from the database, ID should be parsed to a UUID to ensure its validity.
Retrieves a list of the valid columns for an application based on the given ID.
Hashes the provided string.
Inserts a new user into the database.
Creates a new user with the given data and application ID.
Retrieves a user from the database based on the given ID.
Retrieves all users from the database based on the given application ID.
Updates a user in the database.
Validates the user objects column inputs based on the application's columns.
Validates a user's login credentials.
# Variables
Define a map to store column names.