Github user janebeckman commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/17#discussion_r81426980
--- Diff: datamgmt/load/g-register_files.html.md.erb ---
@@ -0,0 +1,213 @@
+---
+title: Registering Files into HAWQ Internal Tables
+---
+
+The `hawq register` utility loads and registers HDFS data files or folders
into HAWQ internal tables. Files can be read directly, rather than having to be
copied or loaded, resulting in higher performance and more efficient
transaction processing.
+
+Data from the file or directory specified by \<hdfsfilepath\> is loaded
into the appropriate HAWQ table directory in HDFS and the utility updates the
corresponding HAWQ metadata for the files. Either AO for Parquet-formatted in
HDFS can be loaded into a corresponding table in HAWQ.
--- End diff --
Checked some statements from code checkins, and it's AO/Parquet tables.
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