When you use SELECT in a PL/SQL block, it’s important to make sure that exactly one row will always be returned by your query. If more than one row is returned, the TOO_MANY_ROWS exception occurs.

This project is a comprehensive implementation of various PL-SQL functionalities. It involves creating and managing a database, developing an interactive interface, and writing PL-SQL triggers, ...

1.1.0 Bloques. ¿Qué son? Un bloque, es donde se escribe el código PL/SQL. Todas las instrucciones que pertenecen al bloque deben estar dentro de la estructura definida: la sección declarativa ...