{"id":4432,"date":"2019-05-02T15:37:08","date_gmt":"2019-05-02T10:07:08","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=4432"},"modified":"2019-05-03T19:49:37","modified_gmt":"2019-05-03T14:19:37","slug":"joining-tables-with-join-clauses-in-database","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/joining-tables-with-join-clauses-in-database\/","title":{"rendered":"Joining Tables with JOIN Clauses in Database"},"content":{"rendered":"\n

Joining Tables with JOIN Clauses in Database <\/h3>\n\n\n\n

Date posted: 02\/05\/2019<\/h4>\n\n\n\n

Join clause:<\/h4>\n\n\n\n

The SQL Join<\/strong> clause is used to combine records from two or more tables in a database. <\/p>\n\n\n\n

A JOIN means for combining fields from two tables by using
common values to each. <\/p>\n\n\n\n

Different types of joins <\/h4>\n\n\n\n
  1. INNER JOIN<\/strong> – selects records that have matching values in both tables. <\/li>
  2. LEFT JOIN<\/strong>\u2212 selects all rows from the left table, even if there are no matches in the right table. <\/li>
  3. RIGHT JOIN<\/strong>– selects all rows from the right table, even if there are no matches in the left table. <\/li>
  4. <\/li><\/ol>\n\n\n\n

    Pre-requesties <\/h4>\n\n\n\n

    we have to create database and table. Firstly, create database and name it as \u2018join test\u2019. Then use the database.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    Similarly, create a tables ‘s_table1 ‘ with column name ‘s_id’ and ‘s_name’.<\/p>\n\n\n\n

    \"\"<\/figure>\n\n\n\n

    Similarly in the vein, create a tables ‘s_table2 ‘ with column name ‘s_id’ and ‘s_city’. <\/p>\n\n\n\n

    \"\"

    <\/figcaption><\/figure>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    ‘s_table1 ‘ and ‘s_table2’ data:<\/h4>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    INNER JOIN : <\/h4>\n\n\n\n
    MariaDB [jointest]> select s_table1.s_id,s_table1.s_name,s_table2.s_id,s_table2.s_city from s_table1 inner join s_table2 on s_table1.s_id=s_table2.s_id;<\/pre>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
     LEFT JOIN <\/h4>\n\n\n\n
    MariaDB [jointest]> select s_table1.s_id,s_table1.s_name,s_table2.s_id,s_table2.s_city from s_table1 left join s_table2 on s_table1.s_id=s_table2.s_id;<\/pre>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    RIGHT JOIN <\/h4>\n\n\n\n
    MariaDB [jointest]> select s_table1.s_id,s_table1.s_name,s_table2.s_id,s_table2.s_city from s_table1 right join s_table2 on s_table1.s_id=s_table2.s_id;<\/pre>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
     Thanks for using pheonix solutions<\/a>. <\/p>\n\n\n\n
    You find this tutorial helpful? Share with your friends to keep it alive<\/p>\n","protected":false},"excerpt":{"rendered":"
    Joining Tables with JOIN Clauses in Database Date posted: 02\/05\/2019 Join clause: The SQL Join clause is used to combine records from […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1022],"tags":[641],"class_list":["post-4432","post","type-post","status-publish","format-standard","hentry","category-web-architecture","tag-database-join-clauses","psol-cat-web-architecture"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/phn2x7-19u","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/4432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/comments?post=4432"}],"version-history":[{"count":0,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/4432\/revisions"}],"wp:attachment":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/media?parent=4432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/categories?post=4432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/tags?post=4432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}