mysql update中使用replace部分替换语句实例

鉴于大家对MySQL十分关注，我们编辑小组在此为大家搜集整理了“mysql update中使用replace部分替换语句实例”一文，供大家参考学习

将cdb_pms表subject字段中的Welcom to替换成 欢迎光临UPDATE `cdb_pms`SET `subject` = REPLACE(`subject`, 'Welcome to', '欢迎光临')WHERE INSTR(`subject`,'Welcome to') > 0替换cdb_posts表的message字段，将“viewthread.php?tid=3989”替换成“viewthread.php?tid=16546” UPDATE `cdb_posts`SET `message`= REPLACE(`message`, 'viewthread.php?tid=3989', 'viewthread.php?tid=16546')WHERE INSTR(`message`,'viewthread.php?tid=3989') > 0 ; 删除所有的空格UPDATE `es_product`   SET `pro_pub_time` = TRIM(`pro_pub_time`)删除所有饱含'['或者']'或者'.'的字符UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, '[','')   WHERE INSTR(`pro_pub_time`,'[') > 0UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, ']','')   WHERE INSTR(`pro_pub_time`,']') > 0UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, '.','-')   WHERE INSTR(`pro_pub_time`,'.') > 0 替换所有含中文'-'的为英文'-'UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, '－','-')   WHERE INSTR(`pro_pub_time`,'－') > 0将所有的年月都替换成'-' UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, '年','-')   WHERE INSTR(`pro_pub_time`,'年') > 0UPDATE `es_product`   SET `pro_pub_time` = REPLACE(`pro_pub_time`, '月','-')   WHERE INSTR(`pro_pub_time`,'月') > 0将所有'2005-04-'这种类型的替换成'2005-04-01' UPDATE `es_product`   SET `pro_pub_time` = CONCAT( `pro_pub_time`, '01')   WHERE SUBSTRING_INDEX( `pro_pub_time`, '-', -1) = '' AND LENGTH(`pro_pub_time`) > 0 AND LENGTH(`pro_pub_time`) > 5将所有'2005-'这种类型替换成'2005-01-01'UPDATE `es_product`   SET `pro_pub_time` = CONCAT( `pro_pub_time`, '01-01') WHERE INSTR(`pro_pub_time`,'-') > 0 AND   LENGTH(`pro_pub_time`) = 5将所有 饱含'-',但是位数小于8的改成追加'-01'UPDATE `es_product`   SET `pro_pub_time` = CONCAT( `pro_pub_time`, '-01') WHERE INSTR(`pro_pub_time`,'-') > 0 AND   LENGTH(`pro_pub_time`) < 8将所有'2005'这样的改成'2005-01-01'UPDATE `es_product`   SET `pro_pub_time` = CONCAT(`pro_pub_time`,'-01-01') WHERE INSTR(`pro_pub_time`,'-') = 0 AND   LENGTH(`pro_pub_time`) = 4最后将所有'2005-01-01'格式化成'2005年01月'UPDATE `es_product`   SET `pro_pub_time` = DATE_FORMAT(`pro_pub_time`,'%Y年%m月') WHERE INSTR(`pro_pub_time`,'-') > 0