%TYPE Attribute

The %TYPE attribute lets you declare a constant, variable, collection element, record field, or subprogram parameter to be of the same data type as a previously declared variable or column (without knowing what that type is). The item declared with %TYPE is the referencing item, and the previously declared item is the referenced item.

The referencing item inherits the following from the referenced item:

Data type and size
Constraints (unless the referenced item is a column)

The referencing item does not inherit the initial value of the referenced item.

If the declaration of the referenced item changes, then the declaration of the referencing item changes accordingly.

Topics

Syntax
Semantics
Examples
Related Topics

Syntax

type_attribute ::=

Description of the illustration type_attribute.gif

Semantics

collection_variable

Name of a collection variable.

Restriction on collection_variable In a constant declaration, collection_variable cannot be an associative array variable.

cursor_variable

Name of a cursor variable.

db_table_or_view

Name of a database table or view that is accessible when the declaration is elaborated.

column

Name of a column of db_table_or_view.

object

Name of an instance of an ADT.

record_variable

Name of a record variable.

field

Name of a field of record_variable.

scalar_variable

Name of a scalar variable.

Examples