EMPLOYER(ECode, EName, Address) Ecode E001 E002 E003 Ename ABC DEF GHI A. Mary Annie 45 Swapna 40 35 DWARF(DwarfName, Age, HatColour. Job, ECode) Dwarf Age HatCol Job. Ecode Name or MINI 22 EAddress Chennai B. Mumbai Red Kolkatta RED J1 Blue J1 Green 32 J3 E001 E002 E001 Convert the following into SQL and Relational algebra expression fo List the Dwarfname, Age and Hatcolor from Dwarf table 4 Display the average age of the dwarf E001

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