System Reference Summary : 6. 4GL System Constants : System Constants : DefaultValue Settings
 
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DefaultValue Settings
Constant Value
Description
Numeric
Equivalent
DV_SYSTEM
Use system default. For integer and float values, this is zero. For date and varchar, this is an empty string. For pointer variables, an object will be created.
1
DV_NULL
Set to NULL for all nullable scalar types. For pointer variables, do not create an object.
2
DV_STRING
Set value to the string in associated DefaultString types. If the value is not a varchar, the string value must be convertible to the correct type.
3