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Connection={idC(pk), origin, destination, airlines} Flight={idF, connection, date,pilot} Pilot is an id of Staff member Staff={idS(Pk), surname, job, hiredate, boss,salary } write a query Are there
Connection={idC(pk), origin, destination, airlines}
Flight={idF, connection, date,pilot}
Pilot is an id of Staff member
Staff={idS(Pk), surname, job, hiredate, boss,salary }
write a query
Are there any Staff members earning the same as their bosses and employed after the boss ?
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