Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2169#discussion_r69044780
--- Diff: docs/apis/table.md ---
@@ -536,6 +536,29 @@ Table result = left.unionAll(right);
</tr>
<tr>
+ <td><strong>Minus</strong></td>
+ <td>
+ <p>Similar to a SQL EXCEPT clause. Returns elements from the first
table that do not exist in the second table. Both tables must have identical
schema, i.e., field names and types.</p>
+{% highlight java %}
+Table left = tableEnv.fromDataSet(ds1, "a, b, c");
+Table right = tableEnv.fromDataSet(ds2, "a, b, c");
+Table result = left.minus(right);
+{% endhighlight %}
+ </td>
+ </tr>
+
+ <tr>
+ <td><strong>MinusAll</strong></td>
+ <td>
+ <p>Similar to a SQL EXCEPT ALL clause. Returns elements from the
first table that do not exist in the second table without removing duplicates.
Both tables must have identical schema, i.e., field names and types.</p>
--- End diff --
Please rephrase to "Except All returns the records that do not exist in the
second table. A record that is present n times in the first table and m times
in the second table is returned (n - m) times, i.e., as many duplicates as are
present in the second table are removed.".
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