%sql create table <name-of-table> (timestamp_unix string, comments string, start_date string, end_date string) partitioned by (yyyy string, mm string, dd string) ROW FORMAT SERDE 'org.openx.data.jsonserde.JsonSerDe' STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat' OUTP...
ALTERTABLEusersALTERCOLUMNaddressSETDEFAULT'{"city": "Shanghai", "country": "China"}'; 1. 以上示例中,修改了address列的默认值为一个新的 JSON 文档。 总结 在MySQL 8.0 中,我们可以为 JSON 类型的列指定默认值。默认值可以是一个 JSON 文档,也可以是一个表达式或函数返回的 JSON 值。在创建表时,通过...
CREATE DATABASE CREATE FUNCTION (SQL) CREATE FUNCTION (外部) 創建地點 CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項 CREATE TABLE 使用 Hive 格式 CREATE TABLE CONSTRAINT ...
向导API 的详情,请参见 GetDataServiceApi 接口wizardDetails 字段的 JSON String。 {"isPagedResponse":true,"wizardConnection":{"connectionId":122786,"tableName":"person"},"wizardRequestParameters":[{"columnName":"id","defaultValue":"","exampleValue":"1","isRequiredParameter":true,"parameterDataTyp...
The Output Data tab shows the actual data in the generated relational output. ClickOKto close the JSON Query Node Editor. Right-click the JSON Query node and selectRunfrom the menu. Persist JSON Query Results in a Table Drag and drop a Create Table node to the workflow. ...
{ "osType": "Linux", "caching": "ReadWrite", "createOption": "FromImage", "name": "myVMosdisk", "managedDisk": { "storageAccountType": "Premium_LRS" } }, "dataDisks": [] }, "vmId": "a149cd25-409f-41af-8088-275f5486bc93", "hardwareProfile": { "vmSize": "Standard_D2s...
dli_database_name 待访问的DLI多版本表所在的数据库名称,该参数仅支持server类型为DLI时设置。该参数仅8.1.1及以上版本支持。 dli_table_name 待访问的DLI多版本表的名称,该参数仅支持server类型为DLI时设置。该参数仅8.1.1及以上版本支持。 checkencoding 是否检查字符编码 取值范围:low,high 。缺省值为low。
*'ASSELECTfrom_json(raw_data,'schema_string')data, *EXCEPT(raw_data)FROMSTREAM firehose_raw;-- Creates a streaming table with a column constraint>CREATEORREFRESHSTREAMINGTABLEcsv_data (idintPRIMARYKEY, tstimestamp,eventstring)ASSELECT*FROMSTREAM read_files('s3://bucket/path',format=>...
Re-create a table with a different hash distribution column. Re-create a table as replicated. Create a columnstore index on just some of the columns in the table. Query or import external data. Note Since CTAS adds to the capabilities of creating a table, this topic tries not to repeat ...
mysql-> doris 11-02 17:29192.168.30.43 17:29:03.874 WARN c.q.t.p.d.c.BasicDataXRdbmsWriter-TableNotFound{ dbId=doris_mall4cloud_product,tableName='spu'} 11-02 17:29192.168.30.43 17:29:03.874 INFO c.q.t.p.d.c.BasicDataXRdbmsWriter-create table:spu script:CREATE TABLE`spu`(`spu...