Consider a relational database containing the following schemes.CataloguesnopnoCostS1P1150S1P250S1P3100S2P4200S2P5250S3P1250S3P2150S3P5300S3P4250 SupplierssnosnamelocationS1M/s Royal furnitureDelhiS2M/s Balaji furnitureBangaloreS3M/s Premium furnitureChennai PartspnoPnamePart_specP1TableWoodP2ChairWoodP3TableSteelP4AlmirahSteelP5AlmirahWood The primary key of each table is indicated by underling the constituent fields.SELECT s.sno, s.snameFROM Suppliers s, Cataloque cWHERE s.sno = c.sno AND Cost > (SELECT AVG (cost)FROM CataloqueWHERE pno = ‘P4’GROUP BY pno);The number of rows returned by the above SQL query is

Consider a relational database containing the following schemes.Catalo

1.	Consider a relational database containing the following schemes.CataloguesnopnoCostS1P1150S1P250S1P3100S2P4200S2P5250S3P1250S3P2150S3P5300S3P4250 SupplierssnosnamelocationS1M/s Royal furnitureDelhiS2M/s Balaji furnitureBangaloreS3M/s Premium furnitureChennai PartspnoPnamePart_specP1TableWoodP2ChairWoodP3TableSteelP4AlmirahSteelP5AlmirahWood The primary key of each table is indicated by underling the constituent fields.SELECT s.sno, s.snameFROM Suppliers s, Cataloque cWHERE s.sno = c.sno AND Cost > (SELECT AVG (cost)FROM CataloqueWHERE pno = ‘P4’GROUP BY pno);The number of rows returned by the above SQL query is
A.	4
B.	5
C.	0
D.	2
Answer» B. 5

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