Validating null value in pl sql

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num1); dbms_output.put_line('Inner Variable num2: '

validating null value in pl sql-67

When you declare a variable, PL/SQL allocates memory for the variable's value and the storage location is identified by the variable name.Answer: Invented by George Boole (Boolean Logic), Boolean values are single byte datatypes that correspond to TRUE (1), FALSE (0) or NULL () values.For more working examples of Boolean values in PL/SQL see the code depot download in the book Easy Oracle PL/SQL Programming The landmark book "Advanced Oracle SQL Tuning The Definitive Reference" is filled with valuable information on Oracle SQL Tuning.If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field. In this chapter, we will discuss Variables in Pl/SQL.

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