{"id":1309705,"date":"2018-06-30T06:30:45","date_gmt":"2018-06-30T06:30:45","guid":{"rendered":"https:\/\/www.wacoca.com\/anime\/1309705\/"},"modified":"2018-06-30T06:30:45","modified_gmt":"2018-06-30T06:30:45","slug":"lec-44-selection-in-relational-algebra-database-management-system","status":"publish","type":"post","link":"https:\/\/www.wacoca.com\/anime\/1309705\/","title":{"rendered":"Lec-44: Selection in Relational Algebra | Database Management System"},"content":{"rendered":"<p><iframe loading=\"lazy\"  width=\"580\" height=\"385\" src=\"https:\/\/www.youtube.com\/embed\/2hUVf17DHVs\" frameborder=\"0\" allowfullscreen><\/iframe><br \/>\n<br \/>\nSubscribe to our new channel:https:\/\/www.youtube.com\/@varunainashots <\/p>\n<p>Selection Operator (\u03c3) is a unary operator in relational algebra that performs a selection operation.<br \/>\nIt selects those rows or tuples from the relation that satisfies the selection condition.<\/p>\n<p>DBMS Notes:<br \/>\nFile 1: https:\/\/drive.google.com\/file\/d\/14bXNQ8BRqYj_F5Q0h9kjCu5dBV_-Yc3h\/view?usp=sharing<br \/>\nFile 2: https:\/\/drive.google.com\/file\/d\/1O4KdWod2jd3ja5kK62Fskqst-Wkz80R4\/view?usp=sharing<br \/>\nContributed by: Anurag Singhal<\/p>\n<p>\u25ba Database Management System(Complete Playlist):<br \/>\n<iframe loading=\"lazy\" title=\"DBMS (Database Management system) Complete Playlist\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiFAN6I8CuViBuCdJgiOkT2Y\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<p>Other subject-wise playlist Links:<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\n\u25baDesign and Analysis of algorithms (DAA):<br \/>\n<iframe loading=\"lazy\" title=\"Design and Analysis of algorithms (DAA)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiHcmS4i14bI0VrMbZTUvlTa\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baComputer Architecture (Complete Playlist):<br \/>\n<iframe loading=\"lazy\" title=\"Computer Organization and Architecture (Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiHMonh3G6QNKq53C6oNXGrX\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25ba Theory of Computation<br \/>\n<iframe loading=\"lazy\" title=\"TOC(Theory of Computation)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiFM9Lj5G9G_76adtyb4ef7i\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baArtificial Intelligence:<br \/>\n<iframe loading=\"lazy\" title=\"Artificial Intelligence (Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiHGhOHV-nwb0HR5US5GFKFI\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baComputer Networks (Complete Playlist):<br \/>\n<iframe loading=\"lazy\" title=\"Computer Networks (Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiGFBD2-2joCpWOLUrDLvVV_\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baOperating System:<br \/>\n<iframe loading=\"lazy\" title=\"Operating System (Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiGz9donHRrE9I3Mwn6XdP8p\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baStructured Query Language (SQL):<br \/>\n<iframe loading=\"lazy\" title=\"Structured Query Language (SQL)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiHqU4HKL7-SITyuSIcD93id\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baDiscrete Mathematics:<br \/>\n<iframe loading=\"lazy\" title=\"Discrete Mathematics\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiH2wwES9vPWsEL6ipTaUSl3\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baCompiler Design:<br \/>\n<iframe loading=\"lazy\" title=\"Compiler Design (Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiEKtKSIHYusizkESC42diyc\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baNumber System:<br \/>\n<iframe loading=\"lazy\" title=\"Number system\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiFOet6KEEqDff1aXEGLdUzn\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baCloud Computing &#038; BIG Data:<br \/>\n<iframe loading=\"lazy\" title=\"Cloud Computing &amp; BIG Data\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiHRHVUtR-O52MsrdUSrzuy4\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baSoftware Engineering:<br \/>\n<iframe loading=\"lazy\" title=\"Software Engineering\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiEed7SKZBnC6ypFDWYLRvB2\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baData Structure:<br \/>\n<iframe loading=\"lazy\" title=\"Data Structure\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiEwaANNt3OqJPVIxwp2ebiT\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baGraph Theory:<br \/>\n<iframe loading=\"lazy\" title=\"Graph Theory\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiG0M5FqjyoqB20Edk0tyzVt\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baProgramming in C:<br \/>\n<iframe loading=\"lazy\" title=\"C Programming\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiGmiGl_DOuRMJYG8tOVuapB\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><br \/>\n\u25baDigital Logic:<br \/>\n<iframe loading=\"lazy\" title=\"Digital Logic(Complete Playlist)\" width=\"770\" height=\"433\" src=\"https:\/\/www.youtube.com\/embed\/videoseries?list=PLxCzCOWd7aiGmXg4NoX6R31AsC5LeCPHe\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\nOur social media Links:<br \/>\n\u25ba Subscribe to us on YouTube: https:\/\/www.youtube.com\/gatesmashers<br \/>\n\u25baSubscribe to our new channel: https:\/\/www.youtube.com\/@varunainashots<br \/>\n\u25ba Like our page on Facebook: https:\/\/www.facebook.com\/gatesmashers<br \/>\n\u25ba Follow us on Instagram: https:\/\/www.instagram.com\/gate.smashers<br \/>\n\u25ba Follow us on Instagram: https:\/\/www.instagram.com\/varunainashots<br \/>\n\u25ba Follow us on Telegram: https:\/\/t.me\/gatesmashersofficial<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\n\u25baFor Any Query, Email us at: gatesmashers2018@gmail.com<br \/>\n\u25baBe a Member &#038; Give your Support on the below link: https:\/\/www.youtube.com\/channel\/UCJihyK0A38SZ6SdJirEdIOw\/join<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe to our new channel:https:\/\/www.youtube.com\/@varunainashots Selection Operator (\u03c3) is a unary operato<\/p>\n","protected":false},"author":4,"featured_media":1309706,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[593400],"tags":[761255,761261,761258,761260,761253,761254,761251,761252,761264,761250,761257,761259,761262,761263,189430,761256],"class_list":{"0":"post-1309705","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-2021-autumn","8":"tag-dbms-relational-algebra-operations","9":"tag-gate-dbms","10":"tag-projection-operation","11":"tag-projection-operation-example","12":"tag-relational-algebra","13":"tag-relational-algebra-dbms","14":"tag-relational-algebra-in-dbms","15":"tag-relational-algebra-operations","16":"tag-select-operator-in-relational-algebra","17":"tag-selection-in-relational-algebra","18":"tag-selection-operation","19":"tag-selection-operation-example","20":"tag-selection-operator","21":"tag-selection-operator-in-relational-algebra","22":"tag-selection-project","23":"tag-unary-operation-in-relational-algebra"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/posts\/1309705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/comments?post=1309705"}],"version-history":[{"count":0,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/posts\/1309705\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/media\/1309706"}],"wp:attachment":[{"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/media?parent=1309705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/categories?post=1309705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wacoca.com\/anime\/wp-json\/wp\/v2\/tags?post=1309705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}