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) |