Horizontal partitioning is an optimization technique applied to improve query processing time in distributed data warehouses. Scanning a large number of HDFS data blocks, to respond to the ad-hoc or ...

ExcelTable is a pipelined table interface to read Excel files (.xlsx, .xlsm, .xlsb, .xls, .xml), ODF spreadsheet files (.ods), and flat files (delimited or positional) as if they were external tables.