{"id":560,"date":"2021-07-13T21:14:32","date_gmt":"2021-07-13T21:14:32","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=560"},"modified":"2021-09-13T05:51:26","modified_gmt":"2021-09-13T05:51:26","slug":"what-is-serde-in-hive","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/hive\/what-is-serde-in-hive\/","title":{"rendered":"What is serde in hive ?"},"content":{"rendered":"<div class=\"ImageContent\">\n<div class=\"hddn\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-medium\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/hive\/what-is-serde-in-hive.png\" alt=\"what is serde in hive\" width=\"1902\" height=\"577\" \/><\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\">\n<h2 id=\"serde-in-hive\" class=\"color-green\" style=\"text-align: justify;\">Serde in hive<\/h2>\n<ul>\n<li style=\"text-align: justify;\">Apache\u00a0<b>Hive<\/b>\u00a0uses\u00a0<b>Serde\u00a0<\/b>to read and write data from tables.<\/li>\n<li style=\"text-align: justify;\">A SerDe is a short name for a Serializer Deserializer.<\/li>\n<li style=\"text-align: justify;\">An important concept behind\u00a0<b>Hive<\/b>\u00a0is that it DOES NOT own the Hadoop File System (HDFS) format that data is stored in.<\/li>\n<li style=\"text-align: justify;\">Apache Hive SerDe.deserialize() used to select the data;when method is called and inserting the data SerDe.serialize() method is called.<\/li>\n<li style=\"text-align: justify;\">It uses the SerDe interface for IO.<\/li>\n<li style=\"text-align: justify;\">In SerDe interface handles both serialization and deserialization and also interpreting the results of serialization as individual fields for processing.<\/li>\n<li style=\"text-align: justify;\">It allows Hive to read data from a table, and write it back to HDFS in any format, user can write data formats.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : Apache\u00a0Hive\u00a0uses\u00a0Serde\u00a0to read and write data from tables.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3782],"tags":[195,971,3799,203,199,214,209,205,222,484,3835,3831,3832,621,3833,620,3834,3830,196,3716,712,3829,3836,970,366,208,288,483,976,975,200,974,197,280,364,968,216,2119,969],"class_list":["post-560","post","type-post","status-publish","format-standard","hentry","category-hive","tag-accenture-interview-questions-and-answers","tag-altimetrik-india-pvt-ltd-interview-questions-and-answers","tag-ani-technologies-pvt-ltd-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-collabera-technologies-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-flipkart-interview-questions-and-answers","tag-genpact-interview-questions-and-answers","tag-hive-add-custom-serde","tag-hive-json-serde-cloudera","tag-hive-json-serde-example","tag-hive-query-based-interview-questions","tag-hive-regexserde-examples","tag-hive-scenario-based-interview-questions","tag-hive-serde-vs-inputformat","tag-how-to-write-custom-serde-in-hive","tag-ibm-interview-questions-and-answers","tag-impetus-technologies-interview-questions-and-answers","tag-indiabulls-technology-solutions-ltd-interview-questions-and-answers","tag-json-serde-hive-example","tag-lazysimpleserde-serdeproperties","tag-mindtree-interview-questions-and-answers","tag-netapp-interview-questions-and-answers","tag-prokarma-softech-pvt-ltd-interview-questions-and-answers","tag-r-systems-interview-questions-and-answers","tag-reliance-industries-ltd-interview-questions-and-answers","tag-synechron-te-interview-questions-and-answers","tag-tata-consultancy-service-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-trigent-software-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-wipro-infotech-interview-questions-and-answers","tag-wipro-interview-questions-and-answers","tag-yash-technologies-interview-questions-and-answers","tag-yodlee-infotech-pvt-ltd-interview-questions-and-answers"],"yoast_head":"<!-- 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