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{"id":224,"date":"2021-07-12T09:28:47","date_gmt":"2021-07-12T09:28:47","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=224"},"modified":"2021-09-14T10:41:57","modified_gmt":"2021-09-14T10:41:57","slug":"what-is-the-most-ideal-approach-to-use-apache-solr-for-relational-join","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/apache-solr\/what-is-the-most-ideal-approach-to-use-apache-solr-for-relational-join\/","title":{"rendered":"What is the most ideal approach to use Apache Solr for relational JOIN ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"apache-solr-for-relational-join\" class=\"color-purple\" style=\"text-align: justify;\">Apache Solr for relational JOIN:<\/h2>\n<\/div>\n<\/div>\n<div class=\"row\">\n<div class=\"col-sm-12\">\n<div class=\"Content\" style=\"text-align: justify;\">\n<div class=\"hddn\">\n<ul>\n<li>Run a single-use script that do the joins on the SOLR index (file) to replace the author_id and author_name, or include the field if you need both. Updating 10,000,000+ documents will get a while, however it is definitely achievable.<\/li>\n<li>After that you can have new documents indexed with both fields, doing the JOIN one at a time.<\/li>\n<li>In common, SOLR works with entirely denormalized information.<\/li>\n<li>If it is more than just authors&#8217; names, you could still denormalize the information, repeating your documents for every one of the related author documents.<\/li>\n<li>Another technique is SOLR 4 has &#8220;JOIN&#8221; ability.<\/li>\n<li>You&#8217;d first need to at least contain a pipeline wherever author information is indexed into SOLR in real-time.<\/li>\n<li>Utilize Elastic Search to simply deal with the complex SOLR queries involving JOIN-like operations.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer:Run a single-use script that do the joins on the SOLR index (file) to replace the author_id and author_name<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[684],"tags":[195,724,687,726,702,707,703,728,705,491,203,199,214,198,363,209,205,727,222,729,730,196,212,712,213,735,731,710,207,711,366,361,204,282,367,206,704,733,706,715,738,736,732,725,200,197,280,364,734,701,737,713,285],"class_list":["post-224","post","type-post","status-publish","format-standard","hentry","category-apache-solr","tag-accenture-interview-questions-and-answers","tag-advantages-of-solrsolr-vs-sql-performance","tag-apache-solr","tag-apache-solr-advantages-and-disadvantages","tag-apache-solr-documentation","tag-apache-solr-download","tag-apache-solr-tutorial","tag-apache-solr-use-cases","tag-apache-solr-vs-elasticsearch","tag-applied-materials-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-chetu-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-collabera-technologies-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-does-solr-need-a-database","tag-flipkart-interview-questions-and-answers","tag-how-does-solr-store-data","tag-how-to-search-in-solr","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-indiabulls-technology-solutions-ltd-interview-questions-and-answers","tag-infosys-technologies-interview-questions-and-answers","tag-is-solr-a-database","tag-learn-solr","tag-mavenir-interview-questions-and-answers","tag-mphasis-interview-questions-and-answers","tag-nagarro-software-pvt-ltd-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-opentext-technologies-interview-questions-and-answers","tag-oracle-corporation-interview-questions-and-answers","tag-persistent-systems-interview-questions-and-answers","tag-rbs-india-development-centre-pvt-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-solr-architecture","tag-solr-database-integration","tag-solr-example","tag-solr-tutorial","tag-solr-vs-lucene","tag-solr-vs-mysql","tag-solr-vs-rdbms","tag-solr-vs-relational-database","tag-tech-mahindra-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtusa-consulting-services-pvt-ltd-interview-questions-and-answers","tag-wells-fargo-interview-questions-and-answers","tag-what-database-does-solr-use","tag-what-is-apache-solr","tag-why-use-solr","tag-wm-global-technology-services-india-pvt-ltd-interview-questions-and-answers","tag-xoriant-solutions-pvt-ltd-interview-questions-and-answers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the most ideal approach to use Apache Solr for relational JOIN ?<\/title>\n<meta name=\"description\" content=\"What is the most ideal approach to use Apache Solr for relational JOIN ? 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