True or false about SQL

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   SQL treats salary and SALARY as the same name.

2. Statement is true

   No

   Statement

   In SQL you must state how to fetch the data.

3. Statement is true

   Yes

   Statement

   Dropping a database also drops its tables.

4. Statement is true

   No

   Statement

   A primary key may hold NULL by default.

5. Statement is true

   Yes

   Statement

   BETWEEN includes both boundary values.

Instructions

Decide whether each statement is true or false.

Explanation