| Platform SDK: Exchange 2000 Server |
[This is preliminary documentation and subject to change.]
The following table lists support for the columns in the COLUMNS rowset:
| Column Name | Comments |
|---|---|
| TABLE_CATALOG | URL to parent folder for the table (folder) with this column. |
| TABLE_SCHEMA | Always NULL |
| TABLE_NAME | Table (folder) name. |
| COLUMN_NAME | Column (property) name |
| COLUMN_GUID | GUID of column (property) |
| ORDINAL_POSITION | Supported |
| COLUMN_HASDEFAULT | VARIANT_FALSE |
| COLUMN_DEFAULT | Always NULL |
| COLUMN_FLAGS | DBCOLUMNFLAGS values supported: CACHEDEFERRED, ISLONG, ISNULLABLE, MAYBENULL, WRITEUNKNOWN |
| IS_NULLABLE | Always VARIANT_TRUE |
| DATA_TYPE | See PROVIDER_TYPES |
| TYPE_GUID | Always NULL |
| CHARACTER_MAXIMUM_LENGTH | Supported |
| CHARACTER_OCTET_LENGTH | Supported |
| NUMERIC_SCALE | Supported |
| DATETIME_PRECISION | Supported |
| CHARACTER_SET_CATALOG | Always NULL |
| CHARACTER_SET_SCHEMA_DBTYPE_WSTR | Always NULL |
| CHARACTER_SET_NAME | Always NULL |
| COLLATION_CATALOG | Always NULL |
| COLLATION_SCHEMA | Always NULL |
| COLLATION_NAME | Always NULL |
| DOMAIN_CATALOG | Always NULL |
| DOMAIN_SCHEMA | Always NULL |
| DOMAIN_NAME | Always NULL |
| DESCRIPTION | Always NULL – see properties on tables (folders) |