{"id":2995,"date":"2021-07-21T10:53:03","date_gmt":"2021-07-21T10:53:03","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=2995"},"modified":"2021-07-21T10:53:03","modified_gmt":"2021-07-21T10:53:03","slug":"postgresql-predlozhenie-having","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/postgresql-predlozhenie-having\/","title":{"rendered":"PostgreSQL \u2014 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0430\u043c \u0432\u044b\u0431\u0438\u0440\u0430\u0442\u044c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u0435\u0442 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u0443\u0441\u043b\u043e\u0432\u0438\u044e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 WHERE \u043f\u043e\u043c\u0435\u0449\u0430\u0435\u0442 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0432 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0435 \u0441\u0442\u043e\u043b\u0431\u0446\u044b, \u0442\u043e\u0433\u0434\u0430 \u043a\u0430\u043a \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING \u043f\u043e\u043c\u0435\u0449\u0430\u0435\u0442 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0432 \u0433\u0440\u0443\u043f\u043f\u044b, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c GROUP BY.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0430 \u043f\u043e\u0437\u0438\u0446\u0438\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044f HAVING \u0432 \u0437\u0430\u043f\u0440\u043e\u0441\u0435 SELECT.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT\nFROM\nWHERE\nGROUP BY\nHAVING\nORDER BY\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING \u0434\u043e\u043b\u0436\u043d\u043e \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u0437\u0430 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c GROUP BY \u0432 \u0437\u0430\u043f\u0440\u043e\u0441\u0435 \u0438 \u0442\u0430\u043a\u0436\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u043f\u0440\u0435\u0434\u0448\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u044e ORDER BY, \u0435\u0441\u043b\u0438 \u043e\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f.&nbsp;\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 SELECT, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT column1, column2\nFROM table1, table2\nWHERE [ conditions ]\nGROUP BY column1, column2\nHAVING [ conditions ]\nORDER BY column1, column2\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u043f\u0440\u0438\u043c\u0435\u0440<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0420\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0442\u0430\u0431\u043b\u0438\u0446\u0443\u00a0<a href=\"https:\/\/www.tutorialspoint.com\/postgresql\/company.sql\" target=\"_blank\" rel=\"noreferrer noopener\">COMPANY,<\/a>\u00a0\u0438\u043c\u0435\u044e\u0449\u0443\u044e \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># select * from COMPANY;\n id | name  | age | address   | salary\n----+-------+-----+-----------+--------\n  1 | Paul  |  32 | California|  20000\n  2 | Allen |  25 | Texas     |  15000\n  3 | Teddy |  23 | Norway    |  20000\n  4 | Mark  |  25 | Rich-Mond |  65000\n  5 | David |  27 | Texas     |  85000\n  6 | Kim   |  22 | South-Hall|  45000\n  7 | James |  24 | Houston   |  10000\n(7 rows)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u044c, \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0438\u043c\u0435\u043d \u043c\u0435\u043d\u044c\u0448\u0435 2 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb-# SELECT NAME FROM COMPANY GROUP BY name HAVING count(name) &lt; 2;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">  name\n -------\n  Teddy\n  Paul\n  Mark\n  David\n  Allen\n  Kim\n  James\n(7 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u0435\u0449\u0435 \u0442\u0440\u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 COMPANY, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b INSERT:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">INSERT INTO COMPANY VALUES (8, 'Paul', 24, 'Houston', 20000.00);\nINSERT INTO COMPANY VALUES (9, 'James', 44, 'Norway', 5000.00);\nINSERT INTO COMPANY VALUES (10, 'James', 45, 'Texas', 5000.00);<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u043d\u0430\u0448\u0430 \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0438\u043c\u0435\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u043c\u0438\u0441\u044f \u0438\u043c\u0435\u043d\u0430\u043c\u0438 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">  id | name  | age | address      | salary\n ----+-------+-----+--------------+--------\n   1 | Paul  |  32 | California   |  20000\n   2 | Allen |  25 | Texas        |  15000\n   3 | Teddy |  23 | Norway       |  20000\n   4 | Mark  |  25 | Rich-Mond    |  65000\n   5 | David |  27 | Texas        |  85000\n   6 | Kim   |  22 | South-Hall   |  45000\n   7 | James |  24 | Houston      |  10000\n   8 | Paul  |  24 | Houston      |  20000\n   9 | James |  44 | Norway       |   5000\n  10 | James |  45 | Texas        |   5000\n(10 rows)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d \u043f\u0440\u0438\u043c\u0435\u0440, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u044c, \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0438\u043c\u0435\u043d \u0431\u043e\u043b\u044c\u0448\u0435 1 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb-# SELECT NAME FROM COMPANY GROUP BY name HAVING count(name) &gt; 1;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 HAVING \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0430\u043c \u0432\u044b\u0431\u0438\u0440\u0430\u0442\u044c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u0435\u0442 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u0443\u0441\u043b\u043e\u0432\u0438\u044e. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 WHERE \u043f\u043e\u043c\u0435\u0449\u0430\u0435\u0442 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0432 \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0435 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[104],"tags":[],"class_list":["post-2995","page","type-page","status-publish","hentry","category-postgresql"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/2995","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/comments?post=2995"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/2995\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=2995"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=2995"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=2995"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}