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.
Another example of individual marginalization is the exclusion of individuals with disabilities from the labor force. Grandz discusses an employer's viewpoint about hiring individuals living with disabilities as jeopardizing productivity, increasing the rate of absenteeism, and creating more accidents in the workplace.nother example of individual marginalization is the exclusion of individuals with disabilities from the labor force. Grandz discusses an employer's viewpoint about hiring individuals living with disabilities as jeopardizing productivity, increasing the rate of absenteeism, and creating more accidents in the workplace.