function that pulls all the products from the datanase.

function that pulls all the roles from the datanase.

function that pulls all the users from the datanase.

function that creates a product.

function that creates a role.

function that creates a user.

function to delete product record.

function to delete role record.

function to delete user record.

function to get single product.

function to get single role.

function to get single user.

function to update product record.

function to update role record.

function to update user record.