import Import a table from a database to HDFS import-all-tables Import tables from a database to HDFS import-mainframe Import datasets from a mainframe server to HDFS job Work with saved jobs list-databases List available databases on a server list-tables List available tables in a database ...
DB2物化视图(MATERIALIZED QUERY TABLES, MQT) DB2的物化视图MQT是基于查询结果定义的一个表,MQT中包括的数据来自MQT定义所基于的一个或多个表, 使用MQT能够显著提高查询的操作性能。 数据库的视图和MQT都是基于一个查询来定义的。每当视图被引用时,视图所基于的查询便会运行。 但MQT实际上会将查询结果存储为数据,...
MQT 中包含的数据来自 MQT 定义所基于的一个或多个表。总结表(也称自动总结表[AST])对于 IBM DB2物化视图 for Linux, UNIX, and Windows 的用户来说应该感到比较熟悉,它们可以看作是特殊的 MQT。fullselect 是总结表定义的一部分,它包含一个 GROUP BY 子句,该子句总结 fullselect 中所引用表中的数据。 您可以...
http://www.ibm.com/developerworks/db2/library/ techarticle/dm-0708khatri/index.html.Burt L. Vialpando et al., " Comparing DB2 materialized query tables and Oracle materialized views " http://www.ibm.com/developerworks/data/library/techarticle/dm-0708khatri/, dated 2007, 20 pages....
By default, the IBM Db2 database connector uses the Microsoft driver to connect to your data. If you choose to use the IBM driver in the advanced options in Power Query Desktop, you must first install the IBM Db2 driver for .NET on the machine used to connect to the data. The name ...
DB2物化视图(Materialized Query Tables, MQT),DB2的物化视图MQT是基于查询结果定义的一个表,MQT中包括的数据来自MQT定义所基于的一个或多个表,使用MQT能够显著提高查询的操作性能。数据库的视图和MQT都是基于一个查询来定义的。每当视图被引用时,视图所基于的查询便会
One tool, one price, for all your databases. In addition, AQT has excellent cross-database features. Migrate data from DB2 z/OS to PostgreSQL. Resync tables between SQL Server and MySQL! Simple and easy to use AQT has a simple clean and intuitive interface. Novices find AQT easy to ...
Oracle Database Server 12c (12.1.0.2) and later Oracle Autonomous Database - all versions Before you can connect to an Oracle database using Power Query, you need to install the Oracle Client for Microsoft Tools (OCMT). To connect to an Oracle database with theon-premises data gateway, 64...
When you issue the REFRESH TABLE statementDb2performs the following actions: Deletes all the rows in the materialized query table Executes the fullselect in the materialized query table definition to recalculate the data from the tables that are specified in the fullselect with the isolation level fo...
SharePoint.Files SharePoint.Tables참고 일부 기능은 한 제품에 있을 수 있지만 배포 일정 및 호스트별 기능으로 인해 다른 기능은 없을 수 있습니다.참고 Power BI 서비스에서 서비스 주체를 인...