Impala Guide
Impalaprovidesfast,interactiveSQLqueriesdirectlyonyourApacheHadoopdatastoredinHDFS,HBase,ortheAmazonSimpleStorageService(S3).Inadditiontousingthesameunifiedstorageplatform,Impalaalsousesthesamemetadata,SQLsyntax(HiveSQL),ODBCdriver,anduserinterface(ImpalaqueryUIinHue)asApacheHive
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700多页，很全