{"id":2975,"date":"2021-07-21T10:37:55","date_gmt":"2021-07-21T10:37:55","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=2975"},"modified":"2021-07-21T10:37:56","modified_gmt":"2021-07-21T10:37:56","slug":"postgresql-predlozhenie-where","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/postgresql-predlozhenie-where\/","title":{"rendered":"PostgreSQL \u2014 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 WHERE"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 PostgreSQL WHERE \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u043f\u0440\u0438 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u043e\u0434\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043b\u0438 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0438 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u043c\u0438.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0415\u0441\u043b\u0438 \u0434\u0430\u043d\u043d\u043e\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f, \u0442\u043e\u043b\u044c\u043a\u043e \u0442\u043e\u0433\u0434\u0430 \u043e\u043d\u043e \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438\u0437 \u0442\u0430\u0431\u043b\u0438\u0446\u044b.&nbsp;\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u0442\u0444\u0438\u043b\u044c\u0442\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0432\u044b \u043d\u0435 \u0445\u043e\u0442\u0438\u0442\u0435 \u0432\u043a\u043b\u044e\u0447\u0430\u0442\u044c \u0432 \u043d\u0430\u0431\u043e\u0440 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 WHERE.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 WHERE \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 SELECT, \u043d\u043e \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 UPDATE, DELETE \u0438 \u0442. \u0414., \u0427\u0442\u043e \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u0432 \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u0433\u043b\u0430\u0432\u0430\u0445.<\/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 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 SELECT \u0441 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435\u043c WHERE \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">SELECT column1, column2, columnN\nFROM table_name\nWHERE [search_condition]\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u044c&nbsp;<em>\u0443\u0441\u043b\u043e\u0432\u0438\u0435 \u043f\u043e\u0438\u0441\u043a\u0430,<\/em>&nbsp;\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f&nbsp;<a href=\"https:\/\/translate.googleusercontent.com\/translate_c?depth=1&amp;rurl=translate.google.ru&amp;sl=en&amp;sp=nmt4&amp;tl=ru&amp;u=https:\/\/www.tutorialspoint.com\/postgresql\/postgresql_operators.htm&amp;xid=17259,15700022,15700186,15700190,15700256,15700259,15700262&amp;usg=ALkJrhggsM50sNqoL73nCgjL0Uhg61E2pg\" target=\"_blank\" rel=\"noopener\">\u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0438\u043b\u0438 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u044b.<\/a>&nbsp;like&gt;, &lt;, =, LIKE, NOT \u0438 \u0442. \u0434. \u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b \u043f\u0440\u043e\u044f\u0441\u043d\u044f\u0442 \u044d\u0442\u0443 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044e.<\/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 \u0442\u0430\u0431\u043b\u0438\u0446\u0443&nbsp;<a href=\"https:\/\/www.tutorialspoint.com\/postgresql\/company.sql\" target=\"_blank\" rel=\"noreferrer noopener\">COMPANY,<\/a>&nbsp;\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\">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\">\u0412\u043e\u0442 \u043f\u0440\u043e\u0441\u0442\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0440\u044b, \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 PostgreSQL.&nbsp;\u041f\u043e\u0441\u043b\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 SELECT \u0431\u0443\u0434\u0443\u0442 \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u0435\u043d\u044b \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 AGE \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e 25&nbsp;<strong>\u0418<\/strong>&nbsp;\u0437\u0430\u0440\u043f\u043b\u0430\u0442\u0430 \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u0430 65000.00 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE AGE &gt;= 25 AND SALARY &gt;= 65000;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> id | name  | age |  address   | salary\n----+-------+-----+------------+--------\n  4 | Mark  |  25 | Rich-Mond  |  65000\n  5 | David |  27 | Texas      |  85000\n(2 rows)\n <\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 AGE \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u043d\u043e 25&nbsp;<strong>\u0418\u041b\u0418<\/strong>&nbsp;\u043e\u043a\u043b\u0430\u0434 \u0431\u043e\u043b\u044c\u0448\u0435 \u0438\u043b\u0438 \u0440\u0430\u0432\u0435\u043d 65000.00 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE AGE &gt;= 25 OR SALARY &gt;= 65000;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/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  4 | Mark  |  25 | Rich-Mond   |  65000\n  5 | David |  27 | Texas       |  85000\n(4 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 AGE \u043d\u0435 NULL, \u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e \u043d\u0438 \u043e\u0434\u043d\u0430 \u0438\u0437 \u0437\u0430\u043f\u0438\u0441\u0435\u0439 \u043d\u0435 \u0438\u043c\u0435\u0435\u0442 AGE, \u0440\u0430\u0432\u043d\u044b\u0439 NULL \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=#  SELECT * FROM COMPANY WHERE AGE IS NOT NULL;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/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(7 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 NAME \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0441 \u00abPa\u00bb, \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0438\u0434\u0435\u0442 \u043f\u043e\u0441\u043b\u0435 \u00abPa\u00bb.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE NAME LIKE 'Pa%';<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> id | name | age |address    | salary\n----+------+-----+-----------+--------\n  1 | Paul |  32 | California|  20000\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 AGE \u0440\u0430\u0432\u043d\u043e 25 \u0438\u043b\u0438 27 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE AGE IN ( 25, 27 );<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> id | name  | age | address    | salary\n----+-------+-----+------------+--------\n  2 | Allen |  25 | Texas      |  15000\n  4 | Mark  |  25 | Rich-Mond  |  65000\n  5 | David |  27 | Texas      |  85000\n(3 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 AGE \u043d\u0435 \u0440\u0430\u0432\u043d\u043e \u043d\u0438 25, \u043d\u0438 27 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE AGE NOT IN ( 25, 27 );<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> id | name  | age | address    | salary\n----+-------+-----+------------+--------\n  1 | Paul  |  32 | California |  20000\n  3 | Teddy |  23 | Norway     |  20000\n  6 | Kim   |  22 | South-Hall |  45000\n  7 | James |  24 | Houston    |  10000\n(4 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0421\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f SELECT \u043f\u0435\u0440\u0435\u0447\u0438\u0441\u043b\u044f\u0435\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438, \u0433\u0434\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 AGE \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043c\u0435\u0436\u0434\u0443 25 \u0438 27 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY WHERE AGE BETWEEN 25 AND 27;<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> id | name  | age | address    | salary\n----+-------+-----+------------+--------\n  2 | Allen |  25 | Texas      |  15000\n  4 | Mark  |  25 | Rich-Mond  |  65000\n  5 | David |  27 | Texas      |  85000\n(3 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 SELECT \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441 SQL, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430\u0445\u043e\u0434\u0438\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u043f\u043e\u043b\u0435\u043c AGE, \u0438\u043c\u0435\u044e\u0449\u0438\u043c SALARY&gt; 65000 \u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0438\u0445, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 WHERE \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u043c EXISTS \u0434\u043b\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0441\u043f\u0438\u0441\u043a\u0430 \u0432\u0441\u0435\u0445 \u0437\u0430\u043f\u0438\u0441\u0435\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 AGE \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0435\u043d\u043d\u043e\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435. \u043f\u043e \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u0443 \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT AGE FROM COMPANY\n        WHERE EXISTS (SELECT AGE FROM COMPANY WHERE SALARY &gt; 65000);<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0439 \u0432\u044b\u0448\u0435 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 PostgreSQL \u0434\u0430\u0441\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"> age\n-----\n  32\n  25\n  23\n  25\n  27\n  22\n  24\n(7 rows)\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0435 SELECT \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441 SQL, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430\u0445\u043e\u0434\u0438\u0442 \u0432\u0441\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u0441 \u043f\u043e\u043b\u0435\u043c AGE, \u0438\u043c\u0435\u044e\u0449\u0438\u043c SALARY&gt; 65000 \u0438 \u0431\u043e\u043b\u0435\u0435 \u043f\u043e\u0437\u0434\u043d\u0438\u0445, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 WHERE \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u043c&gt; \u0434\u043b\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0441\u043f\u0438\u0441\u043a\u0430 \u0432\u0441\u0435\u0445 \u0437\u0430\u043f\u0438\u0441\u0435\u0439, \u0433\u0434\u0435 \u0432\u043e\u0437\u0440\u0430\u0441\u0442 AGE \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 \u0432\u043e\u0437\u0440\u0430\u0441\u0442 \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u044b\u0439 \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u043c \u2014<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">testdb=# SELECT * FROM COMPANY\n        WHERE AGE &gt; (SELECT AGE FROM COMPANY WHERE SALARY &gt; 65000);<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 PostgreSQL WHERE \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u043f\u0440\u0438 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u043e\u0434\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0438\u043b\u0438 \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0438 \u0441 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u0430\u043c\u0438. \u0415\u0441\u043b\u0438 \u0434\u0430\u043d\u043d\u043e\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-2975","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\/2975","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=2975"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/2975\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=2975"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=2975"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=2975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}