consider following data
NAME CLASS SPORT
RAM 4TH X
SAM 5TH Y
TOM 6TH Z
CAN I SAY,
1) case 4th class is recorded the variable name RAM
2) case X sport is recorded variable class 5th.
ACCORDING TO ME ABOVE TWO STATEMENTS ARE CORRECT BECAUSE WE CONSIDER ALL COLUMNS AS VARIABLE SO NAME , CLASS, SPORT MUST BE VARIABLES AND ALL THE DATA THEY STORED LIKE RAM, SAM,X,Y,Z,4TH,5TH ETC MUST BE CASES AS BY DEFENITION "ALL ROWS ARE CASES".
PLEASE EXPLAIN WHETHER I AM WRONG OR NOT