php - How to use an update query within a select query in sql -


in select query getting field values of respective field names want show. now, problem how can use update query update field value of field name 'personnum' or 'clearingnum'.

    select *     (      select date_format( from_unixtime( submit_time ) , '%b %e, %y  %l:%i %p' ) submitted,  max( if( `field_name` = 'your-email', field_value, null ) ) 'your-email',  max( if( `field_name` = 'your-id', field_value, null ) ) 'your-id',  max( if( `field_name` = 'personnum', field_value, null ) ) 'personnum',  max( if( `field_name` = 'clearingnum', field_value, null ) ) 'clearingnum',  max( if( `field_name` = 'kontonum', field_value, null ) ) 'kontonum'     wp_cf7dbplugin_submits     `form_name` = 'uppgifter form'     group submit_time     order submit_time desc     ) wpcf7_fetched_data     `your-id` = 4


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