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Post date: May 02, 2013 2:0:18 PM
select user;
select current_schema;
show search_path;
System Schemas
The following system-level schemas exist in every database:
1. pg_catalog contains the system catalog tables, built-in data types, functions, and operators. It is always part of the schema search path, even if it is not explicitly named in the search path.
2. information_schema consists of a standardized set of views that contain information about the objects in the database. These views get system information from the system catalog tables in a standardized way.
3. pg_toast stores large objects such as records that exceed the page size. This schema is used internally by the Greenplum Database system.
4. pg_bitmapindex stores bitmap index objects such as lists of values. This schema is used internally by the Greenplum Database system.
5. pg_aoseg stores append-only table objects. This schema is used internally by the Greenplum Database system.
6. gp_toolkit is an administrative schema that contains external tables, views, and functions that you can access with SQL commands. All database users can access gp_toolkit to view and query the system log files and other system metrics.