SSIS Amazon Redshift ExecuteSQL Task (1) SSIS Amazon Storage Task (10) SSIS Azure Blob Storage Task (9) SSIS CSV Export Task (6) SSIS Download File Task (1) SSIS Excel Export Task (3) SSIS ForEach Loop Task (1) SSIS JSON Export Task (2) SSIS JSON Parser Task (2) ...
Json Assembly: Microsoft.SqlServer.Assessment.dll Package: Microsoft.SqlServer.SqlManagementObjects v160.2004021.0 Overloads 展开表 Create(JsonReader, String, Exception) Create(JsonReader, String, Object, Exception) Create(String, IJsonLineInfo, String, Exception) Crea...
JsonKeyValue KeyOption KeyOptionKind KeySourceKeyOption KeywordCasing KillQueryNotificationSubscriptionStatement KillStatement KillStatsJobStatement LabelStatement LedgerOption LedgerTableOption LedgerViewOption LeftFunctionCall LikePredicate LineNoStatement ListenerIPEndpointProtocolOption ListTypeCopyOption ...
In this lesson, you create a workflow that imports JSON data by using the JSON Query node. The JSON Query node enables you to selectively query desirable attributes and project the result in relational format. Once the data is in relational format, you can treat it as a normal relational da...
SQL DECLARE@jsonNVARCHAR(MAX) = N' [ { "id": 1, "name": "Alice", "age": 30, "address": { "street": "123 Main St", "city": "Wonderland" } }, { "id": 2, "name": "Bob", "age": 25, "address": { "street": "456 Elm St", "city": "Gotham" } } ]';INSERTINTO...
SET ROWCOUNT (Transact-SQL)对 CTAS 没有影响。 要实现类似的行为,请使用TOP (Transact-SQL)。 CTAS 不支持函数OPENJSON作为语句的SELECT一部分。 作为替代方法,请使用INSERT INTO ... SELECT。 例如: SQL DECLARE@jsonNVARCHAR(MAX) = N' [ { "id": 1, "name": "Alice", "age": 30, "address": ...
Only JSON objects (embraced in {}) can be imported. JSON arrays (embraced in []) cannot be imported. However, arrays inside a JSON object can be imported. foldername: The directory of the data source file in the foreign table, that is, the corresponding file directory in HDFS or on OB...
ENABLE QUERY OPTIMIZATION 利用信息约束对执行计划进行优化。 DISABLE QUERY OPTIMIZATION 禁止利用信息约束对执行计划优化。 信息约束(Informational Constraint) 在GaussDB(DWS)中,数据的约束完全由使用者保证,数据源数据能够严格遵守某种信息约束条件,能够加速对已经具有这种约束特征数据的查询。目前外表不支持索引,所以采取使...
SET ROWCOUNT (Transact-SQL)对 CTAS 没有影响。 要实现类似的行为,请使用TOP (Transact-SQL)。 CTAS 不支持函数OPENJSON作为语句的SELECT一部分。 作为替代方法,请使用INSERT INTO ... SELECT。 例如: SQL DECLARE@jsonNVARCHAR(MAX) = N' [ { "id": 1, "name": "Alice", "age": 30, "address": ...
Single File Import:You can import data from a single file, including Excel workbooks, Text or CSV files, XML, and JSON files. Simply select the file type you want to import and locate the file on your computer. simple file Multiple File Import:Power Query also allows you to import data ...