SQL - Primary Key. A primary key is a field in a table which uniquely identifies each row/record in a database table. Primary keys must contain unique values. A primary key column cannot have NULL values. A table can have only one primary key, which may consist of single or multiple fields. When multiple fields are used as a primary key, they are called a composite key.
Noun. 1. marginalization-the social process of becoming or being made marginal (especially as a group within the larger society); the marginalization of the underclass; the marginalization of literature. marginalisation. social process-a process involved in the formation of groups of persons.
This is a potential effect of discrimination because a person is made to stand out and made to be different from everyone else and they can therefore feel like they are all alone and marginalized from the rest of society or in the case of a health and social care sector, other service users.arginalisation implies having a low social status and a consequent lack of access to education and â¦ other resources. Social marginalization, as seen in the case of the Muslim community, is based on how their traditions, culture and dressing make us identify Muslims as different from us.