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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) | |||
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clave principal : 1 do fraz, 1 tematyki |
| Komunikacja | 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) | |||
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clave principal : 1 do fraz, 1 tematyki |
| Komunikacja | 1 |