AIM: To implement the conditional selection statement in PL/SQL block. ALGORITHM: STEP 1: Start the program. STEP 2: Create the PL/SQL Block with necessary blocks. STEP 3: Declare the necessary ...

For example, Microsoft's SQL Server has an "Exists" keyword allowing you to easily check to see if a record exists; Oracle's SQL does not have this feature, but you can work around the shortcoming ...

Entrada dinámica con ACCEPT → Permite al usuario ingresar la edad en SQL*Plus o SQLcl. Condiciones más claras: >= 18 → Mayor de edad. > 0 AND < 18 → Menor de edad. ELSE → Captura valores inválidos ...