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PHP and MySQL syntax: Difference between revisions
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==== Query by month ==== | ==== Query by month ==== | ||
data type: {{kbd | key = datetime}} ex: yy:mm:dd hh:mm:ss | |||
* mysql ex: find the records in January, 2014<ref>[http://stackoverflow.com/questions/508791/mysql-query-group-by-day-month-year sql - MySQL Query GROUP BY day / month / year - Stack Overflow]</ref> Data type of column `time` is {{kbd | key = datetime}}. Using one of sql queries as following. [http://ideone.com/kJEgnV online demo] | * mysql ex: find the records in January, 2014<ref>[http://stackoverflow.com/questions/508791/mysql-query-group-by-day-month-year sql - MySQL Query GROUP BY day / month / year - Stack Overflow]</ref> Data type of column `time` is {{kbd | key = datetime}}. Using one of sql queries as following. [http://ideone.com/kJEgnV online demo] | ||
** SELECT * FROM `table_name` WHERE YEAR(`time`) = '2014' AND MONTH(`time`) = '1' /*MONTH(`time`) = '1' or MONTH(`time`) = '01' are both ok*/ | ** SELECT * FROM `table_name` WHERE YEAR(`time`) = '2014' AND MONTH(`time`) = '1' /*MONTH(`time`) = '1' or MONTH(`time`) = '01' are both ok*/ | ||
** SELECT * FROM `table_name` WHERE DATE_FORMAT(`time`, '%Y-%m') = '2014-01' | ** SELECT * FROM `table_name` WHERE DATE_FORMAT(`time`, '%Y-%m') = '2014-01' | ||
** SELECT * FROM `table_name` WHERE `time` LIKE '2014-01%' /*find the time records starting with the string 2014-01 */ | ** SELECT * FROM `table_name` WHERE `time` LIKE '2014-01%' /*find the time records starting with the string 2014-01 */ | ||
** SELECT * FROM `table_name` WHERE | ** SELECT * FROM `table_name` WHERE DATE(`time`) between '2014-01-01' AND '2014-01-31' {{exclaim}} add the DATE function | ||
** SELECT * FROM `table_name` WHERE `time` >= '2014-01-01 00:00:00' AND `time` < '2014-02-01 00:00:00' | ** SELECT * FROM `table_name` WHERE `time` >= '2014-01-01 00:00:00' AND `time` < '2014-02-01 00:00:00' | ||
** SELECT * FROM `table_name` WHERE `time` >= '2014-01-01 00:00:00' AND `time` <= '2014-01-31 | ** SELECT * FROM `table_name` WHERE `time` >= '2014-01-01 00:00:00' AND `time` <= '2014-01-31 59:59:59' | ||
=== date format === | === date format === | ||