title: Target row updated by multiple source rows
body: <pre><code>UPDATE tb
        FROM Table1 tb,
        (
          SELECT  oreplace(data, '.', '') AS data FROM Table2 
        ) tb2 
        SET column = 'Y'
        WHERE tb.column1 = tb2 .data OR tb.column2 = tb2 .data 
        OR tb.column3 = tb2 .data OR tb.column4 = tb2 .data OR tb.column5 = tb2 .data
        OR tb.column6 = tb2 .data ... upto tb.column15 = tb2 .data;
  </code></pre>
  
  <p>the column in Table1 has 'N' as defualt. I'm getting 'Target row updated by multiple source rows' error when i execute this update query.  I tried with discint but received the same error as there is no duplicates. Please help.<br>
  Thank you! </p>