Display the firstname and lastname of the authors who wrote books on the subject “Databases”.Write you query without using NATURAL JOINs.Write you query using NATURAL JOINs.

1)   Displaythe firstname and lastname of the authors who wrote books on the subject “Databases”.

a.    Writeyou query without using NATURAL JOINs.

 

b.    Writeyou query using NATURAL JOINs.