Primary Key
Primary Key
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Informatics and computer science
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Primary Key
Meaning of term primary key
(1) A column or set of columns that uniquely identify all the rows in a table. Primary keys do not allow null values. No two rows can have the same primary key value, therefore, a primary key value always uniquely identifies a single row. More than one ke
Acronym : PK
Source: http://www.okdhs.org/nr/rdonlyres/3f6765df-14d1-47c5-ad01-c891fa101254/0/glossary_okdhs_03142007.xls A&D
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