Data Length Semantics Property
Description
Determines the semantics of the MAX_LENGTH
and QUERY_LENGTH properties, when it is used
to enforce the maximum size of the internal value of a character item.
Values
CHAR, BYTE,
null
Applies to: Items of datatype CHAR,
ALPHA, or LONG.
No
No
Null
Refer to Built-in
GET_ITEM_PROPERTY
Usage Notes
- If a null value is specified, then byte semantics will be used unless the
environment variable NLS_LENGTH_SEMANTICS
is set to CHAR when the form is compiled.
- When the Synchronize with Item property
is set, DATA_LENGTH_SEMANTICS will be ignored
in a subordinate mirror item. The DATA_LENGTH_SEMANTICS
property is always taken from the master mirror item. A compiler (generator)
warning will be issued if a non-null value is specified in a subordinate mirror
item.
- A compiler (generator) warning will also be issued if a non-null value is
specified in an item whose datatype is neither CHAR,
ALPHA, nor LONG.
Related topics
Maximum Length Property
Query Length Property
Synchronize with Item Property