The underlined attribute(s) are the primary key

Using the following tables create SQL queries:

1. Give all managers of Company1 a 10 percent raise.

2. Company2 went bankrupt. Delete all information related to Company2 from all the tables (use several delete statements).

Table 1: Employee Employee name Street City Table 2: Works Employee name Company name Salary Table 3: Company Company name City Table 4: Manages Employee_name Manager_name