SELECT REPLACE('aaa.mysql.com','a','w');
// wordpress 文章内容关键词替换
UPDATE wp_posts
SET
post_content = REPLACE(post_content,
'https://abc.com',
'https://www.abc.com'
)
// 正则替换
UPDATE tableName set `name` = REGEXP_REPLACE(`name`, '<.*>', '') WHERE `name` REGEXP'<.*>';