หมายเหตุ
การเข้าถึงหน้านี้ต้องได้รับการอนุญาต คุณสามารถลอง ลงชื่อเข้าใช้หรือเปลี่ยนไดเรกทอรีได้
การเข้าถึงหน้านี้ต้องได้รับการอนุญาต คุณสามารถลองเปลี่ยนไดเรกทอรีได้
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 |