Choose legitimate reasons why the rdbms caches data and other resources you may choose more than one answer.

a. the cache speeds up data update operations.
b. the cache speeds up data insert and data delete operations.
c. once an execution plan is made for a query, if the query is executed again, the rdmbs can retrieve the plan from the cache rather than recreate it.
d. once a data page is read from disk, caching it allows other queries to access its data from the cache rather than having to re-read from disk.

Write a function that draws a pool ball. this function should take as parameters, the color, the number that should go on the pool ball, and the location of the center of the pool ball. the radius of the pool balls should be pool_ball_radius, and the font of the number should be pool_ball_font. the text of the pool ball font should be white. drawpoolball(color. orange, 5, 100, 100); drawpoolball(color. green, 6, 50, 200); drawpoolball(color. red, 3, 150, 350); drawpoolball(color. blue, 2, 250, 140); to center the numbers on the pool ball, you should use the getwidth() and getheight() methods. you are allowed to call these methods on your text object, such as txt.

Companies that implement and apply an information system effectively can create

Anul 2017 tocmai s-a încheiat, suntem trişti deoarece era număr prim, însă avem şi o veste bună, anul 2018 este produs de două numere prime, 2 şi 1009. dorel, un adevărat colecţionar de numere prime, şi-a pus întrebarea: “câte numere dintr-un interval [a, b] se pot scrie ca produs de două numere prime? “.