Metadata - Catalog

This topic describes the column metadata returned by SQLColumns and SQLProcedureColumns, and the data type metadata returned by SQLGetTypeInfo.

Remarks

The following column values are returned for date/time types by SQLColumns and SQLProcedureColumns.

Parameter Type date time smalldatetime datetime datetime2 datetimeoffset
DATA_TYPE SQL_TYPE_DATE SQL_SS_TIME2 SQL_TYPE_TIMESTAMP SQL_TYPE_TIMESTAMP SQL_TYPE_TIMESTAMP SQL_SS_TIMESTAMPOFFSET
TYPE_NAME date time smalldatetime datetime datetime2 datetimeoffset
COLUMN_SIZE 10 8,10..16 16 23 19, 21..27 26, 28..34
BUFFER_LENGTH 6 10 16 16 16 20
DECIMAL_DIGITS 0 0..7 0 3 1..7 1..7
SQL_DATA_TYPE SQL_DATETIME SQL_SS_TYPE_TIME2 SQL_DATETIME SQL_DATETIME SQL_DATETIME SQL_SS_TYPE_TIMESTAMPOFFSET
SQL_DATETIME_SUB SQL_CODE_DATE NULL SQL_CODE_TIMESTAMP SQL_CODE_TIMESTAMP SQL_CODE_TIMESTAMP NULL
CHAR_OCTET_LENGTH NULL NULL NULL NULL NULL NULL
SS_DATA_TYPE 0 0 111 111 0 0

The following column values are returned for date/time types by SQLGetTypeInfo:

Parameter Type date time smalldatetime datetime datetime2 datetimeoffset
TYPE_NAME date time smalldatetime datetime datetime2 datetimeoffset
DATA_TYPE SQL_TYPE_DATE SQL_SS_TIME2 SQL_TYPE_TIMESTAMP SQL_TYPE_TIMESTAMP SQL_TYPE_TIMESTAMP SQL_SS_TIMESTAMPOFFSET
COLUMN_SIZE 10 16 16 23 27 34
LITERAL_PREFIX
LITERAL_SUFFIX
CREATE_PARAMS NULL scale NULL NULL scale scale
NULLABLE SQL_NULLABLE SQL_NULLABLE SQL_NULLABLE SQL_NULLABLE SQL_NULLABLE SQL_NULLABLE
CASE_SENSITIVE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE
SEARCHABLE SQL_PRED_SEARCHABLE SQL_PRED_SEARCHABLE SQL_PRED_SEARCHABLE SQL_PRED_SEARCHABLE SQL_PRED_SEARCHABLE SQL_PRED_SEARCHABLE
UNSIGNED_ATTRIBUTE NULL NULL NULL NULL NULL NULL
FXED_PREC_SCALE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE SQL_FALSE
AUTO_UNIQUE_VALUE NULL NULL NULL NULL NULL NULL
LOCAL_TYPE_NAME date time smalldatetime datetime datetime2 datetimeoffset
MINIMUM_SCALE 0 0 0 3 0 0
MAXIMUM_SCALE 0 7 0 3 7 7
SQL_DATA_TYPE SQL_DATETIME SQL_SS_TIME2 SQL_DATETIME SQL_DATETIME SQL_DATETIME SQL_SS_TYPE_TIMESTAMPOFFSET
SQL_DATETIME_SUB SQL_CODE_DATE NULL SQL_CODE_TIMESTAMP SQL_CODE_TIMESTAMP SQL_CODE_TIMESTAMP NULL
NUM_PREC_RADIX NULL NULL NULL NULL NULL NULL
INTERVAL_PRECISION NULL NULL NULL NULL NULL NULL
USERTYPE 0 0 12 22 0 0

See Also

Metadata (ODBC)