- fixed max size of 65535 characters (you cannot limit the max size)
- takes 2 +
cbytes of disk space, where
cis the length of the stored string.
- cannot be (fully) part of an index. One would need to specify a prefix length.
- variable max size of
Mneeds to be between 1 and 65535
- takes 1 +
M≤ 255) or 2 +
c(for 256 ≤
M≤ 65535) bytes of disk space where
cis the length of the stored string
- can be part of an index