{"id":12179,"date":"2018-04-23T10:12:04","date_gmt":"2018-04-23T15:12:04","guid":{"rendered":"http:\/\/jianmingli.com\/wp\/?p=12179"},"modified":"2018-04-23T10:12:04","modified_gmt":"2018-04-23T15:12:04","slug":"postgresql","status":"publish","type":"post","link":"https:\/\/jianmingli.com\/wp\/?p=12179","title":{"rendered":"PostgreSQL"},"content":{"rendered":"
\n

Contents<\/h2>\n
    \n\t
  1. \n\t\tOverview<\/a>\n\t\t
      \n\t\t\t
    1. \n\t\t\t\tCommand Line Options<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
    2. \n\t\tDB Management<\/a>\n\t\t
        \n\t\t\t
      1. \n\t\t\t\tStart\/Stop<\/a>\n\t\t\t<\/li>\n\t\t\t
      2. \n\t\t\t\tCreate\/Remove DB<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
      3. \n\t\tSQL Client: psql<\/a>\n\t\t
          \n\t\t\t
        1. \n\t\t\t\tRestore DB<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
        2. \n\t\tUser Management<\/a>\n\t<\/li>\n\t
        3. \n\t\tTips<\/a>\n\t\t
            \n\t\t\t
          1. \n\t\t\t\tSQL Developer<\/a>\n\t\t\t<\/li>\n\t\t<\/ol>\n\t
          2. \n\t\tReferences<\/a>\n\t<\/li>\n<\/ol>\n<\/ol>\n<\/div>\n
             <\/div>\n

            Overview<\/h2><\/span>\n

            Command Line Options<\/h3><\/span>\n

            * Connection options:<\/p>\n

            \r\n  -h, --host=HOSTNAME          database server host or socket directory\r\n  -p, --port=PORT              database server port\r\n  -U, --username=USERNAME      user name to connect as\r\n  -w, --no-password            never prompt for password\r\n  -W, --password               force password prompt\r\n<\/pre>\n
            DB Management<\/h2><\/span>\n
            Start\/Stop<\/h3><\/span>\n
            \r\ncd C:\\pgsql\\bin\r\n\r\n# Start\r\npg_ctl start -D C:\\pgsql\\data\r\n\r\n# Stop\r\npg_ctl stop -D C:\\pgsql\\data\r\n\r\n# Restart\r\npg_ctl restart -D C:\\pgsql\\data\r\n\r\n# Status\r\npg_ctl status -D C:\\pgsql\\data\r\n<\/pre>\n
            Create\/Remove DB<\/h3><\/span>\n
            * Check if user has permission to create db<\/p>\n
            \r\nSELECT usecreatedb FROM pg_user WHERE usename='pguser';\r\n<\/pre>\n
            * Create:<\/p>\n
            \r\nCREATE DATABASE dbname\r\n       [ WITH [ LOCATION = 'dbpath' ]\r\n              [ TEMPLATE = template ]\r\n              [ ENCODING = encoding ] ]\r\n\r\n# Example:\r\nCREATE DATABASE pguser2 WITH OWNER pguser TEMPLATE template0 ENCODING 'UTF8';\r\nCREATE DATABASE dvdrental;\r\n<\/pre>\n
            * Drop:<\/p>\n
            \r\nDROP DATABASE dbname;\r\n\r\n# Example:\r\nDROP DATABASE pguser2;\r\nDROP DATABASE dvdrental;\r\n<\/pre>\n
            SQL Client: psql<\/h2><\/span>\n
            * Syntax:<\/p>\n
            \r\npsql [option...] [dbname [username]]\r\n\r\npsql --help\r\n<\/pre>\n
            * Examples:<\/p>\n
            \r\npsql --host=localhost --username=pguser\r\n<\/pre>\n
            Restore DB<\/h3><\/span>\n
            * Using pg_restore<\/p>\n
            \r\n# Create DB\r\npsql --host=localhost --username=pguser\r\nCREATE DATABASE dvdrental;\r\n\r\n# Import dvdrental\r\npg_restore -U pguser -d dvdrental C:\\temp\\pgsql\\dvdrental.tar\r\n<\/pre>\n
            * Using pgAdmin<\/p>\n
            User Management<\/h2><\/span>\n
            \r\nALTER USER pguser PASSWORD 'pguser';\r\n<\/pre>\n
            Tips<\/h2><\/span>\n
            SQL Developer<\/h3><\/span>\n
            \r\nusername: testuser\r\npassword: mypass\r\nHost: 127.0.0.1:1234\/testdb?     # The ? is important\r\nPort: 1234\r\n<\/pre>\n
            References<\/h2><\/span>\n
            * Practical PostgreSQL by John C. Worsley; Joshua D. Drake
            \n* PostgreSQL Tutorial<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
            Overview Command Line Options * Connection options: -h, –host=HOSTNAME database server host or socket directory -p, –port=PORT database server port -U, –username=USERNAME user name to connect as -w, –no-password never prompt for password -W, –password force password prompt DB Management … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[787],"tags":[788],"class_list":["post-12179","post","type-post","status-publish","format-standard","hentry","category-postgresql","tag-postgresql"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8cRUO-3ar","_links":{"self":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/12179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12179"}],"version-history":[{"count":4,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/12179\/revisions"}],"predecessor-version":[{"id":12183,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/12179\/revisions\/12183"}],"wp:attachment":[{"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jianmingli.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}