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POHow to update field value based on other table in mySql?
 

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  1. POHow to update field value based on other table in mySql?
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    <p>I have table <code>report_business_likes</code> with relevant fields:</p> <pre><code>id, facebook_id, created_at, some_info -- ----------- ----------- ---------- 1 123456789 '2013-12-23' blabla </code></pre> <p>I have other table named <code>businesses</code> with followed structure:</p> <pre><code>id, fb_id, data -- ----- ---- 33 123456789 xxx </code></pre> <p>I want to replace in <code>report_business_likes</code> field <code>facebook_id</code> with <code>id</code> from table <code>businesses</code>.</p> <p>In my case, the result should be:</p> <pre><code>id, facebook_id, created_at, some_info -- ----------- ----------- ---------- 1 33 '2013-12-23' blabla </code></pre> <p>As you can see I replaced <code>123456789</code> with <code>33</code>. </p> <p>How can I achieve that?</p> <p>I tried:</p> <pre><code>UPDATE `report_business_likes` SET facebook_id = BZ.id from (select id from `businesses` where fb_id = 123456789 ) as BZ, where facebook_id = 123456789 AND date(created_at) = '2013-12-23'; </code></pre> <p>But get syntax error:</p> <pre><code>[SQL] /*SELECT * FROM `report_business_likes` where facebook_id = 123456789 AND date(created_at) = '2013-12-23';*/ UPDATE `report_business_likes` SET facebook_id = BZ from (select id from `businesses` where fb_id = 123456789) as BZ, where facebook_id = 123456789AND date(created_at) = '2013-12-23'; [Err] 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from (select id from `businesses` where fb_id = 123456789) as BZ,' at line 3 </code></pre> <p>Please help,</p>
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    1. CORemove quotes in table and column names.
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    2. COpost the error message please
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    3. CO@Barranka I posted an error, thanks
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