云服务器内容精选

  • 示例 --创建server。gaussdb=# CREATE SERVER file_server FOREIGN DATA WRAPPER file_fdw;CREATE SERVER--创建外表。gaussdb=# CREATE FOREIGN TABLE file_ft(id int, name text) SERVER file_server OPTIONS(filename '/tmp/1.csv', format 'csv', delimiter ',');CREATE FOREIGN TABLE--删除外表。gaussdb=# DROP FOREIGN TABLE file_ft;DROP FOREIGN TABLE--删除server。gaussdb=# DROP SERVER file_server;DROP SERVER