SAS/ACCESS 9.2 for Relational Databases: Reference, Fourth Edition

Data Set Options for Relational Databases 4 DISTRIBUTED_BY= Data Set Option 323Syntax DescriptionYESspecifies that the database creates dimension tables.NOspecifies that the database creates fact tables.See Also“PARTITION_KEY= LIBNAME Option” on page 164“PARTITION_KEY= Data Set Option” on page 357DISTRIBUTED_BY= Data Set OptionUses one or multiple columns to distribute table rows across database segments.Default value: RANDOMLY DISTRIBUTEDValid in: DATA and PROC steps (when accessing DBMS data using SAS/ACCESSsoftware)DBMS support: GreenplumSyntaxDISTRIBUTED_BY=’column-1 ’ | RANDOMLY DISTRIBUTEDSyntax Descriptioncolumn-namespecifies a DBMS column name.DISTRIBUTED RANDOMLYdetermines the column or set of columns that the Greenplum database uses todistribute table rows across database segments. This is known as round-robindistribution.DetailsFor uniform distribution—namely, so that table records are stored evenly acrosssegments (machines) that are part of the database configuration—the distribution keyshould be as unique as possible.