SQL>droptablealen;Tabledropped.SQL>@alen.sql51;Tablecreated.SQL>selectcount(1)fromalen;COUNT(1)---14 2.3 ORACLE_DATAPUMP访问驱动 创建外部表,除了使用ORACLE_LOADER驱动之外,还可以使用ORACLE_DATAPUMP,使用ORACLE_DATAPUMP可以实现数据的卸载和加载,通过create table as select 语句,ORACLE_DATAPUMP驱动可以将数...
( LOCATION ='oracle://<server address>[:<port>]',-- PUSHDOWN = ON | OFF,CREDENTIAL = credential_name)/* * LOCATION: Oracle table/view in '<database_name>.<schema_name>.<object_name>' format. Note this may be case sensitive in the Oracle database. * DATA_SOURCE: the external ...
DROP TABLE DROP TABLEGROUP DROP TABLESPACE DROP USER DROP VIEW RENAME TRUNCATE TABLE MAJOR 和 MINOR DML DCL DDL 功能 SQL 实践和建议 PL 参考 预留关键字(MySQL 模式) 预留关键字(Oracle 模式) 系统视图 配置项和系统变量 错误码 性能调优 数据库代理 驱动 平台产品 组件& 工具 常见问题 版本发布记录 Oce...
Once the external table created, it can be queried like a regular table.SQL> SELECT * 2 FROM countries_ext 3 ORDER BY country_name; COUNT COUNTRY_NAME COUNTRY_LANGUAGE --- --- --- ENG England English FRA France French GER Germany German IRE Ireland English SCO Scotland English USA Unites...
StarRocks 支持以外部表 (External Table) 的形式,接入其他数据源。外部表指的是保存在其他数据源中的数据表,而 StartRocks 只保存表对应的元数据,并直接向外部表所在数据源发起查询。目前 StarRocks 已支持的第三方数据源包括 MySQL、StarRocks、Elasticsearch、Apache Hive™、Apache Iceberg 和 Apache Hudi。对于...
( LOCATION ='oracle://<server address>[:<port>]',-- PUSHDOWN = ON | OFF,CREDENTIAL = credential_name)/* * LOCATION: Oracle table/view in '<database_name>.<schema_name>.<object_name>' format. Note this may be case sensitive in the Oracle database. * DATA_SOURCE: the external ...
This tutorial demonstrates how to query Oracle data from a SQL Server 2019 big data cluster. You create an external table over data in Oracle and then run a query.
DROP TABLEGROUP DROP TABLESPACE DROP USER DROP VIEW RENAME TRUNCATE TABLE MAJOR 和 MINOR DML DCL DDL 功能 SQL 实践和建议 预留关键字(MySQL 模式) 预留关键字(Oracle 模式) PL 参考 系统视图 配置项和系统变量 错误码 性能调优 性能测试 数据库代理 驱动 平台产品 组件& 工具 OceanBase 数据库插件 常见问...
Oracle Database SQL Language Referenceprovides details of the syntax of theCREATE TABLEstatement for creating external tables and specifies restrictions on the use of clauses 20.14.6.3 Creating a Partitioned External Table You create a non-composite partitioned external table by issuing aCREATE TABLE...
external table name, the column names, and Oracle data types. These are the names you will use in the SQL statements to access the external table. The metadata is stored in the Oracle data dictionary. ~The access parameters, which describe how the data is stored in the external ...