2026/3/28 14:42:32
网站建设
项目流程
钦州网站建设公司,网络服务协议模板,廊坊企业官网搭建,自己做的网站如何让百度搜索SELECT
CONCAT(
LEFT(student_id_card, 6),
‘********’,
RIGHT(student_id_card, 4)
) AS student_id_card
FROM difficulty_job;SELECTCONCAT(LEFT(student_id_card, 6),‘********’,RIGHT(student_id_card, 4)) AS student_id_cardFROM difficulty_job;