Examlex
You usually indicate a table's primary key by underlining the column or collection of columns that comprises the primary key for each table in the database.
Advertisers
companies or individuals who pay to promote their products or services, typically through various media channels.
Taxes
Compulsory financial charges or some other type of levy imposed upon a taxpayer by a governmental organization in order to fund various public expenditures.
Consumers
Individuals or households that use goods and services generated within the economy.
Sellers
Individuals or entities that offer products, goods, or services for sale to buyers.
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