mysql拼接、截取字符串

mysql拼接、截取字符串示例

select * from(select u.REAL_NAME name,right(CARD,6) cardNum,substring_index(i.insert_time,’ ',1) insertTime
from IDENTIFI_RECORD i,ZQ_USER u
where i.EMP_NO = u.USER_ID
and i.user_id = ‘d9556d44-a83c-4456-b109-ad7b7d226309’
union all
select e.NAME,right(e.CARD_NUM,6) cardNum,substring_index(i.insert_time,’ ',1) insertTime
from IDENTIFI_RECORD i,EMP_INFOR e
where i.EMP_NO = e.ID
and i.user_id = ‘d9556d44-a83c-4456-b109-ad7b7d226309’) t
ORDER BY t.insertTime DESC
limit 0,10

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