WebCREATE EXTERNAL TABLE or CREATE EXTERNAL TABLE creates a new readable external table definition in Greenplum Database. Readable external tables are typically used for fast, parallel data loading. Once an external table is defined, you can query its data directly (and in parallel) using SQL commands. WebNov 5, 2012 · This is specific to GreenPlum's CREATE EXTERNAL TABLE and does not apply to SQL-standard SQL/MED foreign data wrappers, as shown below. What …

CREATE TABLE Pivotal Greenplum Docs

WebCREATE EXTERNAL TABLE 或 CREATE EXTERNAL TABLE 在Greenplum数据库中创建一个新的可读外部表定义。 可读的外部表通常用于快速并行数据加载。 定义外部 … WebA foreign table can be used in queries just like a normal table, but a foreign table has no storage in the PostgreSQL server. Whenever it is used, PostgreSQL asks the foreign data wrapper to fetch data from the external source, or transmit data to the external source in the case of update commands. gartner the hype cycle

Defining External Tables Pivotal Greenplum Docs

WebExternal tables enable accessing external data as if it were a regular database table. They are often used to move data into and out of a Greenplum database. To create an external table definition, you specify the format of your input files and the location of … WebCREATE EXTERNAL TABLE or CREATE EXTERNAL TABLE creates a new readable external table definition in Greenplum Database. Readable external tables are typically used for fast, parallel data loading. Once an external table is defined, you can … Explore, download, and update software and services. http://www.dbaref.com/creating-external-table-in-greenplum---examples black silk robes for women