DBPROP_CONCATNULLBEHAVIOR
Property group: Data Source Information
Property set: DBPROPSET_DATASOURCEINFO
Type: VT_I4
Typical R/W: R
Description: NULL Concatenation Behavior
Indicates how the data source object handles the concatenation of NULL-valued character data type columns with non?NULL-valued character data type columns. One of the following:
DBPROPVAL_CB_NULL ? The result is NULL valued.
DBPROPVAL_CB_NON_NULL ? The result is the concatenation of the non?NULL-valued column or columns.