{"id":3003,"date":"2021-07-21T12:06:30","date_gmt":"2021-07-21T12:06:30","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=3003"},"modified":"2021-07-21T12:06:30","modified_gmt":"2021-07-21T12:06:30","slug":"postgresql-predlozhenie-unions","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/en\/postgresql-predlozhenie-unions\/","title":{"rendered":"PostgreSQL \u2014 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 UNIONS"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \/ \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL&nbsp;<strong>UNION<\/strong>&nbsp;\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0434\u0432\u0443\u0445 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 SELECT \u0431\u0435\u0437 \u0432\u043e\u0437\u0432\u0440\u0430\u0442\u0430 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0445\u0441\u044f \u0441\u0442\u0440\u043e\u043a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0427\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c UNION, \u043a\u0430\u0436\u0434\u044b\u0439 SELECT \u0434\u043e\u043b\u0436\u0435\u043d \u0438\u043c\u0435\u0442\u044c \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432, \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432, \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u0442\u0438\u043f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0438\u043c\u0435\u0442\u044c \u0438\u0445 \u0432 \u043e\u0434\u043d\u043e\u043c \u043f\u043e\u0440\u044f\u0434\u043a\u0435, \u043d\u043e \u043e\u043d\u0438 \u043d\u0435 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0439 \u0434\u043b\u0438\u043d\u044b.<\/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\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441&nbsp;<strong>UNION<\/strong>&nbsp;\u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT column1 [, column2 ]\nFROM table1 [, table2 ]\n[WHERE condition]\n\nUNION\n\nSELECT column1 [, column2 ]\nFROM table1 [, table2 ]\n[WHERE condition]\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0434\u0435\u0441\u044c, \u0434\u0430\u043d\u043d\u043e\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043b\u044e\u0431\u044b\u043c \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435\u043c, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043d\u0430 \u0432\u0430\u0448\u0435\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u0438.<\/p>\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 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u0434\u0432\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b: (\u0430) \u0422\u0430\u0431\u043b\u0438\u0446\u0430&nbsp;<a href=\"https:\/\/www.tutorialspoint.com\/postgresql\/company.sql\" target=\"_blank\" rel=\"noreferrer noopener\">\u041a\u041e\u041c\u041f\u0410\u041d\u0418\u0418<\/a>&nbsp;\u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# 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\">(\u0431) \u0414\u0440\u0443\u0433\u0430\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u2014 \u044d\u0442\u043e\u00a0<a href=\"https:\/\/www.tutorialspoint.com\/postgresql\/department.sql\" target=\"_blank\" rel=\"noreferrer noopener\">\u041e\u0422\u0414\u0415\u041b<\/a>\u00a0\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u044f:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * from DEPARTMENT;\n id | dept        | emp_id\n----+-------------+--------\n  1 | IT Billing  |      1\n  2 | Engineering |      2\n  3 | Finance     |      7\n  4 | Engineering |      3\n  5 | Finance     |      4\n  6 | Engineering |      5\n  7 | Finance     |      6\n(7 rows)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u043c \u044d\u0442\u0438 \u0434\u0432\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044e SELECT \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c UNION \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\">testdb=# SELECT EMP_ID, NAME, DEPT FROM COMPANY INNER JOIN DEPARTMENT\n   ON COMPANY.ID = DEPARTMENT.EMP_ID\n   UNION\n      SELECT EMP_ID, NAME, DEPT FROM COMPANY LEFT OUTER JOIN DEPARTMENT\n         ON COMPANY.ID = DEPARTMENT.EMP_ID;<\/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\"> emp_id | name  |  dept\n--------+-------+--------------\n      5 | David | Engineering\n      6 | Kim   | Finance\n      2 | Allen | Engineering\n      3 | Teddy | Engineering\n      4 | Mark  | Finance\n      1 | Paul  | IT Billing\n      7 | James | Finance\n(7 rows)\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u0421\u041e\u042e\u0417 \u0412\u0421\u0415 \u0421\u0442\u0430\u0442\u044c\u044f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 UNION ALL \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0434\u0432\u0443\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 SELECT, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0435\u0441\u044f \u0441\u0442\u0440\u043e\u043a\u0438.&nbsp;\u0422\u0435 \u0436\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043a UNION, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u0438 \u043a \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0443 UNION ALL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u043d\u0442\u0430\u043a\u0441\u0438\u0441&nbsp;<strong>UNION ALL<\/strong>&nbsp;\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT column1 [, column2 ]\nFROM table1 [, table2 ]\n[WHERE condition]\n\nUNION ALL\n\nSELECT column1 [, column2 ]\nFROM table1 [, table2 ]\n[WHERE condition]\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0434\u0435\u0441\u044c, \u0434\u0430\u043d\u043d\u043e\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043b\u044e\u0431\u044b\u043c \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435\u043c, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043d\u0430 \u0432\u0430\u0448\u0435\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u0438.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u043f\u0440\u0438\u043c\u0435\u0440<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0422\u0435\u043f\u0435\u0440\u044c \u0434\u0430\u0432\u0430\u0439\u0442\u0435 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0438\u043c \u0434\u0432\u0435 \u0432\u044b\u0448\u0435\u0443\u043f\u043e\u043c\u044f\u043d\u0443\u0442\u044b\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0432 \u043d\u0430\u0448\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 SELECT \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\">testdb=# SELECT EMP_ID, NAME, DEPT FROM COMPANY INNER JOIN DEPARTMENT\n   ON COMPANY.ID = DEPARTMENT.EMP_ID\n   UNION ALL\n      SELECT EMP_ID, NAME, DEPT FROM COMPANY LEFT OUTER JOIN DEPARTMENT\n         ON COMPANY.ID = DEPARTMENT.EMP_ID;<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \/ \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL&nbsp;UNION&nbsp;\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u0434\u0432\u0443\u0445 \u0438\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 SELECT \u0431\u0435\u0437 \u0432\u043e\u0437\u0432\u0440\u0430\u0442\u0430 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0445\u0441\u044f \u0441\u0442\u0440\u043e\u043a. \u0427\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c UNION, \u043a\u0430\u0436\u0434\u044b\u0439 [&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-3003","page","type-page","status-publish","hentry","category-postgresql"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/comments?post=3003"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/pages\/3003\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/media?parent=3003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/categories?post=3003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/en\/wp-json\/wp\/v2\/tags?post=3003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}