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<title>MultiChain Developer Q&amp;A - Recent questions tagged keys</title>
<link>https://www.multichain.com/qa/tag/keys</link>
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<title>How to check if a key in a stream is updated.</title>
<link>https://www.multichain.com/qa/69446/how-to-check-if-a-key-in-a-stream-is-updated</link>
<description>&lt;p&gt;Hi Team,&lt;br&gt;I am consuming data in a NodeJS service, in my use case I need to know about the keys which are updated in the last 10 days, how can I check if a &lt;strong&gt;Key is updated inside a Stream?&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;Thanks,&lt;/p&gt;&lt;p&gt;Shubham&lt;/p&gt;</description>
<guid isPermaLink="true">https://www.multichain.com/qa/69446/how-to-check-if-a-key-in-a-stream-is-updated</guid>
<pubDate>Wed, 21 Dec 2022 15:06:49 +0000</pubDate>
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<title>Are there any plans to query values?</title>
<link>https://www.multichain.com/qa/8836/are-there-any-plans-to-query-values</link>
<description>Hi there,&lt;br /&gt;
&lt;br /&gt;
We're wanting to set up a time-stamped blockchain database using your new data stream functionality in Multichain 2.0. The features added here are perfect, but we've hit a snag. It turns out there is no functionality to query the database based on values. Replicating this data into the keys is not plausible due to a doubling of the data and it is too hacky for us. Are there any plans to add this in the short term, or is there some reason as to why it is a bad idea that I have not thought of? At current, we are considering using another database as a view to perform traditional querying on. &lt;br /&gt;
&lt;br /&gt;
Thanks,&lt;br /&gt;
&lt;br /&gt;
Charlie</description>
<guid isPermaLink="true">https://www.multichain.com/qa/8836/are-there-any-plans-to-query-values</guid>
<pubDate>Thu, 08 Mar 2018 10:44:40 +0000</pubDate>
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