프로그래밍 노트

Data Type Specifics Name Size Range/Precision Description Varchar(n) n chars 1 to 32767 bytes Variable length char or text string. NB, multi-byte character sets reduce number of possible characters proportionately Smallint 16 bits -2^15 to 2^15-1 Signed short (word) Integer 32 bits -2^31 to 2^31-1 Signed long (longword) Float 32 bits 3.4 x 10^-38 to 3.4 x 10^38 Accurate to 7 digits Double Precis..