This chapter provides information about manipulating data and concurrent access in HAWQ.
This topic describes basic data operations that you perform in HAWQ.
An overview of statistics gathered by the
ANALYZEcommand in HAWQ.
This topic discusses the mechanisms used in HAWQ to provide concurrency control.
This topic describes transaction support in HAWQ.
The topics in this section describe methods for loading and writing data into and out of HAWQ, and how to format data files.
HAWQ Extension Framework (PXF) is an extensible framework that allows HAWQ to query external system data.
MapReduce is a programming model developed by Google for processing and generating large data sets on an array of commodity servers. You can use the HAWQ InputFormat option to enable MapReduce jobs to access HAWQ data stored in HDFS.