Alter Schema Field
Update the value of a single field in the definition of a schema.
Syntax
alter schema <schema reference> set <schema field name> <value>
Parameters
schema reference
String — Name of the schema to alter.
schema field name
String — A field from the schema specification. Nested fields can be set using dot notation, and field names are matched case-insensitively.
value
String, Number, Boolean, JSON, or List — The new value for the field. Strings must be quoted. Use none to clear a field that is optional in the specification.