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purduedb · Nov 13, 2015 · 31e7df6 · 31e7df6
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+##  Similarity SQL-based Group-By operator
 The SQL group-by operator plays an important role in summarizing and aggregating large datasets in a data analytics
 stack. The Similarity SQL-based
 Group-By operator (SGB, for short) extends the semantics of the standard SQL Group-by by grouping data with similar but not