Explain Relational algebra operations with proper examples

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written 7.8 years ago by

teamques10 ★ 65k

• modified 7.8 years ago

Set Difference

Returns all rows that are in the result of query 1 but not in the result of query.

The relations R and S must be union-compatible, and the schema of the result is defined to be identical to the schema of R.
- Syntax: (Query Expression 1) - (Query …

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