How to concat all values of single column in mysql
<p>I have column A in the Sample Table1.
Column A has values as follows.</p>

<pre><code>+----+
| A  |
+----+
| a1 |
| a2 |
| a3 |
| a4 |
| a5 |
+----+
</code></pre>

<p>I need a query that should give the following output.
All the Values should be </p>

<pre><code>"a1","a2","a3","a4","a5"
</code></pre>

<p>Is there a way?</p>