Microsoft OLE DB 2.0 Programmers Reference and Data Access SDK (Microsoft Professional Editions)
| OLE DB Programmer's Reference |
Property group: Index
Property set: DBPROPSET_INDEX
Type: VT_I4
Typical R/W: R/W
Description: NULL Collation
Indicates how NULLs are collated in the index. One of the following:
- DBPROPVAL_NC_END—NULLs are collated at the end of the list, regardless of the collation order.
- DBPROPVAL_NC_START—NULLs are collated at the start of the list, regardless of the collation order.
- DBPROPVAL_NC_HIGH—NULLs are collated at the high end of the list.
- DBPROPVAL_NC_LOW—NULLs are collated at the low end of the list.
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