Problem:
SQL is a language used to access and manipulate data that is stored in a database. Most DBMS use SQL to communicate with the underlying database. The DBMS interface allows for SQL commands to be used without the user having to actually know or even see these commands. However, it is important for database administrators and analysts to understand SQL since direct use of the language may be needed on occasion, such as troubleshooting.
Compose a short definition and provide one example for each of the following SQL operators: SELECT, INSERT INTO, UPDATE, and DELETE. (700 WORDS).