ABAP Data Types

Difference between Type & Like:

* Type : refers to the user defined data types.

Ex:     TYPES : Var1 TYPE i.

        TYPES : Var2 TYPE Var1.

* LIKE  : refers to existing data type of data object.

Ex:     Data : Var1 TYPE i.
        Data : Var2 Like Var1.
Difference Between F & P Data Type:
Float Data Type :  It cannot be declared in Parameters.

Packed Data  Type :  It can be declared in Parameters.