Questions $1-$ Do a Rollup operation on Table $1,$ by country, name the result Table $2.2-$ Do a slice operation on Table $2,$ to get sales in $2018,$ name the result Table $3.3-$ Execute the operation on Table $2$: Dice $($Country $=$ KSA $$ OR $$ Tunisia $,$ Year $=2019$ OR $2018),$name the result Table $4.4-$ Executetheoperation onTable$2$: Dice$($town$=$Paris$$OR$$Jeddah$$OR$$Tunis$,$Year$=2019$ OR $2018),$ name the result Table $5.5-$ Do a Drill down operation on Table $3,$ to get the sales by semester. We suppose that the semesters have equal sales, name the result Table $6.6-$ Do the Pivot operation on the Table $3,$ name the results table $6.7-$ Exercise $2$: Using Table $1($or cube$),$ Write the following OLAP Queries: Q$1$: : Get the total of sold cars by Town, and colour $($exp$.$ Paris $350$ for white cars$)$ Q$2$: Get the total sold cars by country, year, and colour Q$3$: Get the $2$ colours with the highest number of sold cars. Q$4$: Get the country that account the highest number of sold cars