Two obvious solutions:
#ORSELECT name,population, areaFROMWorldWHEREarea>3000000ORpopulation >25000000
And Faster Union
#UnionSELECT name,population, areaFROMWorldWHEREarea>3000000UNIONSELECT name,population, areaFROMWorldWHEREpopulation >25000000
Two obvious solutions:
#ORSELECT name,population, areaFROMWorldWHEREarea>3000000ORpopulation >25000000
And Faster Union
#UnionSELECT name,population, areaFROMWorldWHEREarea>3000000UNIONSELECT name,population, areaFROMWorldWHEREpopulation >25000000