isNullable

The property isNullable indicates whether the field can be set to NULL. The property is available only for primitive fields in a non-fixed record or for structure fields in an SQL record. Valid values are no (the default) and yes.

If a given field in an SQL record is nullable, the following features are available:
If you are generating code with the build descriptor option itemsNullable set to YES, the effect is as follows:

Related concepts
Compatibility with VisualAge Generator
Record types and properties
SQL support
Fixed structure
Typedef

Related tasks
Retrieving SQL table data

Related reference
Field-presentation properties
add
close
Data initialization
delete
execute
get
get next
itemsNullable
open
prepare
Primitive types
Record and file type cross-reference
replace
set
SQL data codes and EGL host variables
terminalID
VAGCompatibility

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