1. The default method of doing join is

a. nested loop

b. sort-merged

c. using an index

d. using a has key

2. The blocking/ fill factor of a table is

a. the number of blocks/pages it occupied

b. the number of tuples per block/page

c. the numbe of tuples in the table

d. the number of block/pages divided by the number of tuples per block/page.