The VARCHAR2 variable data type is exactly the same as the field data type.

Name: The VARCHAR2 variable data type is exactly the same as the field data type.
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The VARCHAR2 variable data type is used in PL/SQL (Oracle's procedural extension to SQL), while the term "field data type" is more general and can refer to any type of data column in a database, not limited to VARCHAR2 or even Oracle databases.

The VARCHAR2 Variable Data Type Is Exactly the Same as the Field