Update UkMakerSpaces.scala

Author: jleetutorial

src/main/scala/com/sparkTutorial/sparkSql/join/UkMakerSpaces.scala

@@ -17,7 +17,7 @@ object UkMakerSpaces {
        .withColumn("PostCode", functions.concat_ws("", functions.col("PostCode"), functions.lit(" ")))
 
     System.out.println("=== Print 20 records of makerspace table ===")
-    makerSpace.show()
+    makerSpace.select("Name of makerspace", "Postcode").show()
 
     System.out.println("=== Print 20 records of postcode table ===")
     postCode.show()
@@ -27,4 +27,4 @@ object UkMakerSpaces {
     System.out.println("=== Group by Region ===")
     joined.groupBy("Region").count().show(200)
   }
-}
+}