DeptCode columns.

Captions

$1$ SELECT $\text{'}$ selects all columns in the Employee table.

$2.$ The select operation selects only rows for which the Salary column is $>50000.$

$3.$ The project operation selects only the Name column.

$4.$ The product operation selects all combinations of Employee and Department rows.

$5.$ The join operation combines Employee and Department by comparing the tables' DeptCode columns.

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ACTIVITY

$2\mathrm{.}1\mathrm{.}5$: Relational operations

What is the result of a relational operation?

A row

A column

A table