{"id":749,"date":"2021-07-08T06:42:54","date_gmt":"2021-07-08T06:42:54","guid":{"rendered":"https:\/\/www.bearloga.space\/?page_id=749"},"modified":"2021-07-08T08:33:23","modified_gmt":"2021-07-08T08:33:23","slug":"4-zaprosy","status":"publish","type":"page","link":"https:\/\/www.bearloga.space\/uk\/4-zaprosy\/","title":{"rendered":"\u0417\u0430\u043f\u0440\u043e\u0441\u044b"},"content":{"rendered":"\n

\u0412\u044b\u0431\u043e\u0440\u043a\u0430 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 DISTINCT<\/h2>\n\n\n\n

\u0421 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 DISTINCT<\/strong> \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u043c.<\/p>\n\n\n\n

\u041a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, \u0440\u0430\u0437\u043d\u044b\u0435 \u0442\u043e\u0432\u0430\u0440\u044b \u043c\u043e\u0433\u0443\u0442 \u0438\u043c\u0435\u0442\u044c \u043e\u0434\u043d\u0438\u0445 \u0438 \u0442\u0435\u0445 \u0436\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439, \u0438, \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c, \u0443 \u043d\u0430\u0441 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0430\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u0442\u043e\u0432\u0430\u0440\u043e\u0432:<\/p>\n\n\n\n

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19<\/td>		USE productsdb;<\/code>

 DROP<\/code> TABLE<\/code> IF EXISTS Products;<\/code> 

CREATE<\/code> TABLE<\/code> Products<\/code>
(<\/code>
Id INT<\/code> AUTO_INCREMENT PRIMARY<\/code> KEY,<\/code>
ProductName VARCHAR(30) NOT<\/code> NULL,<\/code>
Manufacturer VARCHAR(20) NOT<\/code> NULL,<\/code>
ProductCount INT<\/code> DEFAULT<\/code> 0,<\/code>
Price DECIMAL<\/code> NOT<\/code> NULL<\/code>
);<\/code>
INSERT<\/code> INTO<\/code> Products (ProductName, Manufacturer, ProductCount, Price)<\/code>
VALUES<\/code>
('iPhone X', 'Apple', 3, 71000),<\/code>
('iPhone 8', 'Apple', 3, 56000),<\/code>
('Galaxy S9', 'Samsung', 6, 56000),<\/code>
('Galaxy S8', 'Samsung', 2, 46000),<\/code>
('Honor 10', 'Huawei', 3, 26000);<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0412\u044b\u0431\u0435\u0440\u0435\u043c \u0432\u0441\u0435\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u0439:<\/p>\n\n\n\n

1<\/td>SELECT<\/code> Manufacturer <\/code>FROM<\/code> Products;<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\u0412\u044b\u0431\u043e\u0440\u043a\u0430<\/figure>\n\n\n\n

\u041e\u0434\u043d\u0430\u043a\u043e \u043f\u0440\u0438 \u0442\u0430\u043a\u043e\u043c \u0437\u0430\u043f\u0440\u043e\u0441\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0442\u0441\u044f. \u0422\u0435\u043f\u0435\u0440\u044c \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u043c \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 DISTINCT<\/strong> \u0434\u043b\u044f \u0432\u044b\u0431\u043e\u0440\u043a\u0438 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439:<\/p>\n\n\n\n

1<\/td>SELECT<\/code> DISTINCT<\/code> Manufacturer <\/code>FROM<\/code> Products;<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440<\/figure>\n\n\n\n

\u0422\u0430\u043a\u0436\u0435 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0437\u0430\u0434\u0430\u0432\u0430\u0442\u044c \u0432\u044b\u0431\u043e\u0440\u043a\u0443 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043f\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u043c \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u043c:<\/p>\n\n\n\n

1<\/td>SELECT<\/code> DISTINCT<\/code> Manufacturer, ProductCount <\/code>FROM<\/code> Products;<\/code><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0434\u043b\u044f \u0432\u044b\u0431\u043e\u0440\u043a\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0441\u0442\u043e\u043b\u0431\u0446\u044b Manufacturer \u0438 ProductCount. \u0418\u0437 \u043f\u044f\u0442\u0438 \u0441\u0442\u0440\u043e\u043a \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0434\u0432\u0443\u0445 \u0441\u0442\u0440\u043e\u043a \u044d\u0442\u0438 \u0441\u0442\u043e\u043b\u0431\u0446\u044b \u0438\u043c\u0435\u044e\u0442 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u0435\u0441\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 \u0432\u044b\u0431\u043e\u0440\u043a\u0435 \u0431\u0443\u0434\u0435\u0442 4 \u0441\u0442\u0440\u043e\u043a\u0438:<\/p>\n\n\n\n

\"\u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440<\/figure>\n","protected":false},"excerpt":{"rendered":"

\u0412\u044b\u0431\u043e\u0440\u043a\u0430 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439. \u041e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 DISTINCT \u0421 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 DISTINCT \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u043c \u0441\u0442\u043e\u043b\u0431\u0446\u0430\u043c. \u041a \u043f\u0440\u0438\u043c\u0435\u0440\u0443, \u0440\u0430\u0437\u043d\u044b\u0435 \u0442\u043e\u0432\u0430\u0440\u044b \u043c\u043e\u0433\u0443\u0442 \u0438\u043c\u0435\u0442\u044c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-749","page","type-page","status-publish","hentry","category-rukovodstvo-po-mysql"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/749","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=749"}],"version-history":[{"count":0,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/pages\/749\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/media?parent=749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/categories?post=749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bearloga.space\/uk\/wp-json\/wp\/v2\/tags?post=749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}