Question: give relationship algebra, not sql Express a relational algebra expressons to find second highest salary of Emp.oyee from Employee table? Express a relational algebra expressons

give relationship algebra, not sql Express a relational algebra expressons to

give relationship algebra, not sql

Express a relational algebra expressons to find second highest salary of Emp.oyee from Employee table? Express a relational algebra expressons to find second highest salary of Emp.oyee from Employee table

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