HDFS Catalog Cache HDFS Catalog Cache HDFS catalog cache is a caching service used by HAWQ master to determine the distribution information of table data on HDFS. HDFS is slow...

Troubleshooting PXF PXF Errors PXF Logging Service-Level Logging Database-Level Logging Addressing PXF Memory Issues Increasing the Maximum Heap Size Decreasing the Maximum Nu...

Importing and Exporting Fixed Width Data Importing and Exporting Fixed Width Data Specify custom formats for fixed-width data with the HAWQ functions fixedwith_in and fixedwid...

Importing and Exporting Fixed Width Data Importing and Exporting Fixed Width Data Specify custom formats for fixed-width data with the HAWQ functions fixedwith_in and fixedwid...

gpfdists Protocol gpfdists Protocol The gpfdists:// protocol is a secure version of the gpfdist:// protocol . To use it, you run the gpfdist utility with the --ssl option. W...

END Synopsis Description Parameters Examples Compatibility See Also END Commits the current transaction. Synopsis END [ WORK | TRANSACTION ] Description END ...

PREPARE Synopsis Description Parameters Notes Examples Compatibility See Also PREPARE Prepare a statement for execution. Synopsis PREPARE <name> [ (< datatype > ...

Query Profiling Reading EXPLAIN Output EXPLAIN Example Reading EXPLAIN ANALYZE Output EXPLAIN ANALYZE Example Examining Query Plans to Solve Problems Generating EXPLAIN Plan f...

BEGIN Synopsis Description Parameters Notes Examples Compatibility See Also BEGIN Starts a transaction block. Synopsis BEGIN [ WORK | TRANSACTION ] [ SERIALIZAB...

CREATE SCHEMA Synopsis Description Parameters Notes Examples Compatibility See Also CREATE SCHEMA Defines a new schema. Synopsis CREATE SCHEMA <schema_name> [ AUTH...