select CONCAT(class_id, section) ClassName from class_sections;the table is filled with data. the result is as follows--It is showing (Excluded ) for all the rowsClassName(Excluded)(Excluded)(Excluded)then to fetch the data it asking to execute once again after that the values are like as belowClassName 0x3141 0x3142 0x3241 0x3242 0x3341 0x3342 0x3441 0x3442 0x3541 0x3542 0x3641 0x3642 0x3741 0x3742 0x3841 0x3842 0x3941 0x3942 0x313041 0x3143 0x3144 0x3145 0x3146 0x3147 these are the results. i donot understand why these type of results are coming.please reply.
I know this is late reply. But you can get over this by doing like the following.
select CONCAT(CAST(class_id AS CHAR), CAST(section AS CHAR)) ClassName from class_sections;
It worked for me.