What are foreign keys?
Answer / vamsikrishnamraju
A foreign key is a referential constraint between two
tables.The foreign key identifies a column or a set of
columns in one (referencing) table that refers to a column
or set of columns in another (referenced) table. The
columns in the referenced table must form a primary key or
unique key.
| Is This Answer Correct ? | 4 Yes | 0 No |
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