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NIELIT Scientific Assistant A 2020 November: 48

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What is meant by the following relational algebra statement: $\text{STUDENT} \times \text{COURSE}$?

  1. Compute the natural join between the $\text{STUDENT}$ and $\text{COURSE}$ relations
  2. Compute the left outer join between the $\text{STUDENT}$ and $\text{COURSE}$ relations
  3. Compute the cartesian product between the $\text{STUDENT}$ and $\text{COURSE}$ relations
  4. Compute the outer join between the $\text{STUDENT}$ and $\text{COURSE}$ relations
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