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| primary key (One or more fields that uniquely identify each record in a table. In the same way that a license plate number identifies a car, the primary key uniquely identifies a record) | |||
| clave principal: 1 phrase in 1 subject |
| Communications | 1 |
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| |||
| primary key (One or more fields that uniquely identify each record in a table. In the same way that a license plate number identifies a car, the primary key uniquely identifies a record) | |||
| clave principal: 1 phrase in 1 subject |
| Communications | 1 |