What is the meaning of “REFERENCES” in the table definition?
Question
What is the meaning of “REFERENCES” in the table definition?
Solution
In the context of a table definition in a database, "REFERENCES" is a keyword used in SQL (Structured Query Language) to establish a relationship between two tables. This keyword is used to implement a foreign key constraint in a table.
Here are the steps to understand its meaning:
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Foreign Key: In a relational database, a foreign key is a set of one or more columns in a table that is used to establish a link between the data in two tables. It acts as a cross-reference between tables because it references the primary key of another table.
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**REFERENCES
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