<div dir="auto">Olá Tiago,<div dir="auto"><br></div><div dir="auto">You can do what you want by using select by expression and then use the count aggregate function:</div><div dir="auto"><br></div><div dir="auto"><a href="https://docs.qgis.org/3.10/en/docs/user_manual/working_with_vector/expression.html?highlight=expression#aggregates-functions" target="_blank" rel="noreferrer">https://docs.qgis.org/3.10/en/docs/user_manual/working_with_vector/expression.html?highlight=expression#aggregates-functions</a><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">Anything where count > 1 should be a duplicate</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><pre style="font-family:sfmono-regular,menlo,monaco,consolas,"liberation mono","courier new",courier,monospace;font-size:12px;margin-top:0px;margin-bottom:0px;padding:12px;line-height:1.4;color:rgb(64,64,64)">Count(<span style="color:rgb(186,33,33)">"my_field"</span>, group_by<span style="color:rgb(102,102,102)">:=</span><span style="color:rgb(186,33,33)">"my_field") > 1</span></pre><pre style="font-family:sfmono-regular,menlo,monaco,consolas,"liberation mono","courier new",courier,monospace;font-size:12px;margin-top:0px;margin-bottom:0px;padding:12px;line-height:1.4;color:rgb(64,64,64)"><span style="color:rgb(186,33,33)"><br></span></pre><pre style="margin-top:0px;margin-bottom:0px;padding:12px;line-height:1.4">Alexandre Neto</pre><pre style="margin-top:0px;margin-bottom:0px;padding:12px;line-height:1.4">QGIS Support</pre><pre style="margin-top:0px;margin-bottom:0px;padding:12px;line-height:1.4"><a href="http://www.qcooperative.net">www.qcooperative.net</a></pre></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">A segunda, 13/04/2020, 03:27, <<a href="mailto:tiago.moraessilva@hotmail.com" target="_blank" rel="noreferrer">tiago.moraessilva@hotmail.com</a>> escreveu:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><p style="font-family:sans-serif;font-size:12.8px">Hi guys, I would like to know how do I select the registers with the same value repeated in the same field (text or numbers) in a table of atributts, and only those registers. I Know that is posible using select by atributtes but i need especify those atributes, is not the case. I want to select everyone with one or more duplicates value in the same field without necessary to know which are repeated.</p><p style="font-family:sans-serif;font-size:12.8px"> </p><p style="font-family:sans-serif;font-size:12.8px">Sorry for the bad english, as QGIS i’m still learning.</p><p style="font-family:sans-serif;font-size:12.8px"> </p><p style="font-family:sans-serif;font-size:12.8px">Best Regards,</p><p style="font-family:sans-serif;font-size:12.8px"> </p><p style="font-family:sans-serif;font-size:12.8px">Tiago (from Brazil)</p></div>_______________________________________________<br>
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