1. If the table testing has 100 records, how many records does it have after we run the following set of SQL commands?

BEGIN TRANSACTION;

INSERT INTO testing VALUES('joe', 50);

ROLLBACK;

2. What sort of table (number of rows, number of columns) will the following SQL query return?

select count(distinct(dept_boss))

from projects, departments

where projects.dept_id = departments.dept_id;