Consider SELECT statements listed below. SELECT L_PARTKEY, L_TAX, COUNT(*) FROM LINEITEM GROUP BY L PARTKEY, L_TAX;...

   

Transcribed Image Text:

Consider SELECT statements listed below. SELECT L_PARTKEY, L_TAX, COUNT(*) FROM LINEITEM GROUP BY L PARTKEY, L_TAX; SELECT O TOTALPRICE, COUNT(*) FROM ORDERS GROUP BY O TOTALPRICE; SELECT L_TAX, L_QUANTITY, COUNT(*) FROM LINEITEM GROUP BY L TAX, L_QUANTITY; SELECT O CLERK, O_TOTALPRICE, COUNT(*) FROM ORDERS GROUP BY O CLERK, O_TOTALPRICE; Write SQL statements that create the smallest number of materialized views that can be automatically used to speed up the processing of SELECT statements given above. Consider SELECT statements listed below. SELECT L_PARTKEY, L_TAX, COUNT(*) FROM LINEITEM GROUP BY L PARTKEY, L_TAX; SELECT O TOTALPRICE, COUNT(*) FROM ORDERS GROUP BY O TOTALPRICE; SELECT L_TAX, L_QUANTITY, COUNT(*) FROM LINEITEM GROUP BY L TAX, L_QUANTITY; SELECT O CLERK, O_TOTALPRICE, COUNT(*) FROM ORDERS GROUP BY O CLERK, O_TOTALPRICE; Write SQL statements that create the smallest number of materialized views that can be automatically used to speed up the processing of SELECT statements given above.