Difference Between Char And Varchar Class 10. Its full name is VARIABLE CHARACTER. Char2 will be fixed length 2.
VARCHAR2 is used mainly for variable length character string. VARCHAR2 has maximum length of 32767 bytes. A space is padded to the right if length of variable is more than value passed to the variable.
Mar 13 2019 Char Datatype.
Jul 09 2019 Char variables length can be of any value from 0 to 255. Nchar - is the SQL-92 synonym for national char and national character. Char will pad spaces and will always be the length of the declared length. CHAR always uses the same amount of storage space per entry while VARCHAR only uses the amount necessary to store the actual text.
