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    <title>topic Re: Key Concatenation best use in QlikView</title>
    <link>https://community.qlik.com/t5/QlikView/Key-Concatenation-best-use/m-p/387712#M699084</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello Nassim,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Could you see this post which talk about Autonumber and AutonumberHash : &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A _jive_internal="true" href="https://community.qlik.com/message/289359#289359"&gt;http://community.qlik.com/message/289359#289359&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can use Concat() in order to get all the possible values in a field. For example, you can have a field TEST which contains this values : &lt;/P&gt;&lt;P&gt;- A&lt;/P&gt;&lt;P&gt; - B&lt;/P&gt;&lt;P&gt;- C&lt;/P&gt;&lt;P&gt;- D&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;If you do this :&lt;/P&gt;&lt;P&gt;concat(TEST, ';')&lt;/P&gt;&lt;P&gt;The result will be :&lt;/P&gt;&lt;P&gt;A;B;C;D&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can read the Help (F1) in order to have more explanations.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Amand Dupretz&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Wed, 02 Jan 2013 16:00:06 GMT</pubDate>
    <dc:creator />
    <dc:date>2013-01-02T16:00:06Z</dc:date>
    <item>
      <title>Key Concatenation best use</title>
      <link>https://community.qlik.com/t5/QlikView/Key-Concatenation-best-use/m-p/387711#M699083</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hi all,&lt;/P&gt;&lt;P&gt;I'm looking for your advice in the aim the get a optimized script.&lt;/P&gt;&lt;P&gt;sometimes, i've to do a concatenation of different keys, it can takes 9 keys by the way.&lt;/P&gt;&lt;P&gt;in this way, what function you advice me to use Autonumber() ? autohash128() ? autohash256() ? &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;and what about concat()&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;regards &lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 02 Jan 2013 15:49:15 GMT</pubDate>
      <guid>https://community.qlik.com/t5/QlikView/Key-Concatenation-best-use/m-p/387711#M699083</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2013-01-02T15:49:15Z</dc:date>
    </item>
    <item>
      <title>Re: Key Concatenation best use</title>
      <link>https://community.qlik.com/t5/QlikView/Key-Concatenation-best-use/m-p/387712#M699084</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello Nassim,&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Could you see this post which talk about Autonumber and AutonumberHash : &lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;&lt;A _jive_internal="true" href="https://community.qlik.com/message/289359#289359"&gt;http://community.qlik.com/message/289359#289359&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can use Concat() in order to get all the possible values in a field. For example, you can have a field TEST which contains this values : &lt;/P&gt;&lt;P&gt;- A&lt;/P&gt;&lt;P&gt; - B&lt;/P&gt;&lt;P&gt;- C&lt;/P&gt;&lt;P&gt;- D&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;If you do this :&lt;/P&gt;&lt;P&gt;concat(TEST, ';')&lt;/P&gt;&lt;P&gt;The result will be :&lt;/P&gt;&lt;P&gt;A;B;C;D&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;You can read the Help (F1) in order to have more explanations.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Amand Dupretz&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Wed, 02 Jan 2013 16:00:06 GMT</pubDate>
      <guid>https://community.qlik.com/t5/QlikView/Key-Concatenation-best-use/m-p/387712#M699084</guid>
      <dc:creator />
      <dc:date>2013-01-02T16:00:06Z</dc:date>
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