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合肥网站建设专业设计白银市做网站
合肥网站建设专业设计,白银市做网站,有限责任公司注册要求,郑州专业公司网站建设公司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;