Overview of string types

seekdb supports the CHAR, VARCHAR, BINARY, and VARBINARY data types.

The following table describes the string types supported in the current version of seekdb and their related information.

Type	Length Type	Maximum Length	Character Set
CHAR	Fixed-length	256 characters	UTF8MB4
VARCHAR	Variable-length	262,144 characters	UTF8MB4
BINARY	Fixed-length	256 bytes	BINARY
VARBINARY	Variable-length	1,048,576 bytes	BINARY

For the CHAR type, the length is measured in characters. For the VARCHAR, BINARY, and VARBINARY types, the length is measured in bytes.