added join for RDDs and DataFrames

mahmoudparsian · mahmoudparsian · commit 4a72e6add151 · 2022-06-03T15:46:30.000-07:00
diff --git a/code/bonus_chapters/join/python/README.md b/code/bonus_chapters/join/python/README.md
@@ -3,3 +3,5 @@
 A JOIN clause is used to combine rows from two tables 
 (expressed as RDDs or DataFrames), based on a related 
 column between them.
+
+![joins](../../../../images/joins-in-SQL.jpeg)
