Github user wuchong commented on a diff in the pull request:
https://github.com/apache/flink/pull/2169#discussion_r68689427
--- Diff: docs/apis/table.md ---
@@ -695,6 +718,30 @@ val 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(field names and types).</p>
+{% highlight scala %}
+val left = ds1.toTable(tableEnv, 'a, 'b, 'c);
+val right = ds2.toTable(tableEnv, 'a, 'b, 'c);
+val result = left.minus(right);
+{% endhighlight %}
+ </td>
+ </tr>
+
+ <tr>
+ <td><strong>UnionAll</strong></td>
--- End diff --
UnionAll -> MinusAll
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