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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...set that you want to merge into an older existing data set. This is vastly more efficient than individual row upserts and should be preferred whenever practical. In this case, you typically follow the following process: CREATE a TEMPORARY table COPY or bulk-insert the new data into the temp table ...
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Another Repeated column in mapping for entity error

...but my situation is a bit different. My entity can be the father of one or more entities of the same type. The children have a reference on the id of their father as well as a unique id of their own. How can I resolve such a circular dependency? – Ciri Jan 22 '...
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How to check Oracle database for long running queries

... Is there a way to safely kill such queries if they run for more than x minutes. Thanks for the answer though @UmberFerrule – TommyT Mar 26 '15 at 22:15 2 ...
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Get a CSS value with JavaScript

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Remove accents/diacritics in a string in JavaScript

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Android device does not show up in adb list [closed]

...ed Stay Awake, so I tried all I could, and then after switching to PTP one more time the phone finally showed a question to allow my laptop for debugging. – zubko Jan 18 '19 at 14:42 ...
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vim deleting backward tricks

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Open a folder using Process.Start

...ll open c:\temp.com instead. See forums.iis.net/p/1239773/2144186.aspx for more details. – Lex Li Nov 2 '18 at 16:15 N...
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Understanding dispatch_async

... I understand that david thanks for your answer that but my question was more around to understand logic of doing this i.e are asking this code to perform serial tasks on global queue which is concurrent queue itself – user2332873 Apr 29 '13 at 21:25 ...
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How to add elements to an empty array in PHP?

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