Constant Value | Description | Numeric Equivalent |
|---|---|---|
EVC_LT | Empty value is less than any non-empty value | -1 |
EVC_CONVERT | Empty value is compared using datatype-specific conversion rules, for example, empty value equals 0 for numeric and money datatypes, empty date for date | 0 |
EVC_GT | Empty value is greater than any non-empty value | 1 |