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yep foreign key can have duplicate values

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Q: Can a foreign-key column can contain duplicate values?
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Does foreign key alllows null values and duplicate values?

A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.


Duplicates in a excel spreadsheets?

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In excel what do you do with the second row or column?

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The "NULL" column in a table is typically marked as optional when creating a new field. It allows for the column to contain null values, meaning it is not required to have a value for every row in the table.


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