Range of Type
This type of field can store string values with the length up to 65,536 characters.
This field uses FIXED size for storage of all records. For example, String(20) field, with the UTF-16 storage encoding, will use 40 bytes on disk. If the string value is shorter than 20, then the remaining characters are filled by zeros.
This field can be declared as Nullable. In this case a special bitmap is associated with this field.
This field can have flag fIndexed.
This field can have flag fUnique.
This field can have fIndexByWords flag.
This field type is represented at the API level by VString Class.
At SQL Level you can create such field using
CREATE TABLE T1( fldString STRING(20) );
You can use this field in any predicate expression, e.g.
SELECT * FROM T1 WHERE fldString = 54;