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Catalog Metadata

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

Concepts