How do you handle exceptions in PL/SQL? Provide an example.

Exception handling is an essential aspect of PL/SQL (Procedural Language/Structured Query Language) programming as it allows developers to gracefully handle runtime errors and exceptions that may occur during program execution. PL/SQL provides a robust mechanism to catch, handle, and manage exceptions using the following constructs: EXCEPTION, WHEN, RAISE, and EXCEPTION\_INIT. Here is an in-depth explanation of how exceptions are handled in PL/SQL, along with an example: 1. EXCEPTION Block: The EXCEPTION block is used to handle exceptions in PL/SQL. It allows developers to specify the actions to be taken when a specific exception occurs. The basic syntax is as follows: ``` plsql`BEGIN -- Statements EXCEPTION WHEN exception_name1 THEN -- Handling statements for exception_name1 WHEN exception_name2 THEN -- Handling statements for exception_name2 ... END;` ``` * The EXCEPTION block starts with the keyword EXCEPTION and ends with the keyword END. * Within the block, one or more WHEN clauses are used to specify the exceptions to....