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SQL ServerAzure SQL DatabaseAzure SQL Managed InstanceAzure Synapse AnalyticsAnalytics Platform System (PDW)
Dit onderwerp beschrijft de kolommetadata die wordt teruggegeven door SQLColumns en SQLProcedureColumns, en de datatypemetadata die door SQLGetTypeInfo wordt teruggegeven.
Remarks
De volgende kolomwaarden worden teruggegeven voor datum-/tijdtypes door SQLColumns en SQLProcedureColumns.
| Parametertype | date | time | smalldatetime | datetime | datetime2 | datetimeoffset |
|---|---|---|---|---|---|---|
| gegevenstype | 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 |
| Kolomgrootte | 10 | 8,10..16 | 16 | 23 | 19, 21..27 | 26, 28..34 |
| BUFFER_LENGTE | 6 | 10 | 16 | 16 | 16 | 20 |
| Decimale cijfers | 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 |
De volgende kolomwaarden worden door SQLGetTypeInfo, voor datum-/tijdtypes:
| Parametertype | date | time | smalldatetime | datetime | datetime2 | datetimeoffset |
|---|---|---|---|---|---|---|
| TYPE_NAME | date | time | smalldatetime | datetime | datetime2 | datetimeoffset |
| gegevenstype | SQL_TYPE_DATE | SQL_SS_TIME2 | SQL_TYPE_TIMESTAMP | SQL_TYPE_TIMESTAMP | SQL_TYPE_TIMESTAMP | SQL_SS_TIMESTAMPOFFSET |
| Kolomgrootte | 10 | 16 | 16 | 23 | 27 | 34 |
| LITERAL_PREFIX | ' | ' | ' | ' | ' | ' |
| LITERAL_SUFFIX | ' | ' | ' | ' | ' | ' |
| CREATE_PARAMS | NULL | scale | NULL | NULL | scale | scale |
| nullbaar | 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 |
| DOORZOEKBAAR | 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 |
| LOKALE_TYPE_NAAM | 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_PRECISIE | NULL | NULL | NULL | NULL | NULL | NULL |
| USERTYPE | 0 | 0 | 12 | 22 | 0 | 0 |