{"id":3620,"date":"2017-01-30T16:20:54","date_gmt":"2017-01-30T16:20:54","guid":{"rendered":"http:\/\/www.webhozz.com\/blog\/?p=3620"},"modified":"2019-07-03T13:42:15","modified_gmt":"2019-07-03T13:42:15","slug":"mengenal-query-sql","status":"publish","type":"post","link":"https:\/\/www.webhozz.com\/blog\/mengenal-query-sql\/","title":{"rendered":"Mengenal &#8220;QUERY SQL&#8221;"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone\" src=\"http:\/\/www.webhozz.com\/assets\/img\/kursus-sql-server.jpg\" width=\"520\" height=\"186\" \/><\/p>\n<p>Hallo Sahabat WebHozz,<\/p>\n<p>Dalam Blog kali ini kita akan membahas tentang pengenalan\u00a0 <em><strong>&#8220;QUERY SQL&#8221;<\/strong><\/em>.<\/p>\n<p>Apa sih yang dimaksud dengan \u00a0<em><strong>QUERY <\/strong><\/em>\u00a0itu ?<\/p>\n<p><em><strong>Query<\/strong><\/em> adalah sebuah statement yang dibuat menggunakan bahasa <em><strong>SQL(Structured Query Language).\u00a0<\/strong><\/em><\/p>\n<p>Bagian pertama dari Query adalah <strong>Data Definition Language (DDL).\u00a0<\/strong>Data Definition Language (DDL) ini mengatur struktur tabel dan index. Elemen dasar dari <strong>DDL\u00a0<\/strong>adalah untuk \u00a0statement <em>CREATE, ALTER, RENAME dan DROP. <\/em>Untuk lebih jelas, berikut penjelasannya :<!--more--><\/p>\n<p><strong><em> CREATE<\/em>\u00a0 \u00a0<\/strong>digunakan untuk membuat objek (seperti tabel) di database<\/p>\n<p><strong><em>DROP<\/em>\u00a0:\u00a0<\/strong>digunakan untuk menghapus objek di database. Sebuah objek yang sudah dihapus biasanya tidak bisa dikembalikan lagi (penghapusannya bersifat permanen).<\/p>\n<p><em><strong>ALTER :\u00a0<\/strong><\/em>digunakan untuk memodifikasi struktur dari objek yang ada, misalnya untuk menambahkan kolom ke tabel yang masih ada<\/p>\n<p>Bagian kedua dari Query adalah <strong>Data Manipulation Language (DML).<\/strong>\u00a0DML ini adalah bagian dari <em><strong>SQL<\/strong><\/em> \u00a0yang digunakan untuk <em>menambahkan, meng-update dan menghapus data. <\/em>Singkatan yang menjelaskan fungsi-fungsi DML pada aplikasi RDBMS adalah <em><strong>CRUD<\/strong><\/em><\/p>\n<p>Sedangkan untuk \u00a0<strong>SQL<\/strong>\u00a0:<\/p>\n<p><em><strong>SQL<\/strong><\/em> adalah sebuah bahasa yang didesain khusus untuk manajemen data pada sebuah database relasional atau lengkapnya <em><strong>relational database management systems (RDBMS).<\/strong><\/em><\/p>\n<p><em><strong>SQL<\/strong><\/em> menggunakan bahasa terstandardisasi yang awalnya dikembangkan oleh <em><strong>IBM<\/strong><\/em> untuk mempermudah melakukan pengambilan data, mengubah data, dan menentukan database relasional menggunakan bahasa deklaratif yang mudah dipahami. SQl sendiri mempunyai banyak fungsi, diantaranya<em> membuat database baru, membuat tabel baru di database, membuat stored procedure di database, membuat view di database dan mengatur permission di tabel, prosedur dan view.<\/em><\/p>\n<p>Sekian penjelasannya mengenai artikel <strong>Query SQL<\/strong> ini ya,, \u00a0kita lanjut lagi di artikel menarik lainnya sahabat WebHozz semua.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hallo Sahabat WebHozz, Dalam Blog kali ini kita akan membahas tentang pengenalan\u00a0 &#8220;QUERY SQL&#8221;. Apa sih yang dimaksud dengan \u00a0QUERY \u00a0itu ? Query adalah sebuah<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1890],"tags":[841,1135,1136,1134,1137],"class_list":["post-3620","post","type-post","status-publish","format-standard","hentry","category-artikel","tag-crud","tag-data-definition-language-ddl","tag-data-manipulation-language-dml","tag-query-sql","tag-relational-database-management-systems-rdbms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mengenal &quot;QUERY SQL&quot; - WebHozz Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.webhozz.com\/blog\/mengenal-query-sql\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mengenal &quot;QUERY SQL&quot; - WebHozz Blog\" \/>\n<meta property=\"og:description\" content=\"Hallo Sahabat WebHozz, Dalam Blog kali ini kita akan membahas tentang pengenalan\u00a0 &#8220;QUERY SQL&#8221;. Apa sih yang dimaksud dengan \u00a0QUERY \u00a0itu ? 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