Mysql queries whether there is a value in multiple fields

if the picture is a table, how to find the data equal to 8 in the three fields of mobile1 or mobile2 or mobile3
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although you can use where or, ask God how to write sql statements if you don"t use where or. Ask for advice

Mar.05,2021

--8
--

SELECT Id,mobile1,mobile2,mobile3 FROM [Table]

WHERE Id NOT IN
        (
            SELECT Id FROM [Table] 

            WHERE mobile1<>8 AND mobile1<>8 AND mobile1<>8
         )
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b390d8-2c179.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b390d8-2c179.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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