Relational Database Management System (RDBMS) Question: Download Questions PDF
Are the resulting relations of PRODUCT and JOIN operation the same?
Answer:
No.
PRODUCT: Concatenation of every row in one relation with every row in another.
JOIN: Concatenation of rows from one relation and related rows from another.
PRODUCT: Concatenation of every row in one relation with every row in another.
JOIN: Concatenation of rows from one relation and related rows from another.
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