mysql常用命令

MySQL-UPDATE语法：

UPDATE [LOW_PRIORITY] [IGNORE] table_name 
SET 
    column_name1 = expr1,
    column_name2 = expr2,
    ...
WHERE
    condition;

UPDATE table1 
    SET live_video = value1 
WHERE 
    id = 2671

UPDATE table1
    SET 字段名称 = REPLACE(字段名称, ‘老的值‘, ‘新的值‘) 
WHERE
    id = 2671

update table1
    set 字段=replace(字段,‘老的值‘,‘新的值‘)
where 
    colum between ‘2018-07-01 00:00:00‘ and ‘2019-02-02 00:00:00‘