Mysql對(duì)字符串進(jìn)行排序的方法示例：利用ORDER BY關(guān)鍵字進(jìn)行排序。語(yǔ)法：SELECT column_name,column_nameFROM table_nameORDER BY column...
mysql中實(shí)現(xiàn)隨機(jī)產(chǎn)生字符串的方法1.生成指定長(zhǎng)度的隨機(jī)字符串CREATE DEFINER=`root`@`localhost` FUNCTION `RAND_STR`...
mysql中時(shí)間、時(shí)間戳與字符串之間相互轉(zhuǎn)換的方法1.時(shí)間戳轉(zhuǎn)字符串from_unixtime(1579422064202,'%Y-%d')2.字符串轉(zhuǎn)時(shí)間戳unix_timestam...
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