ALTER SCHEMA changes the attributes of a schema.

Only the owner of an index or a system administrator can run this statement.

Rename a schema.

ALTER SCHEMA schema_name 
    RENAME TO new_name;

Changes the owner of a schema.

ALTER SCHEMA schema_name 
    OWNER TO new_owner;

Changes the storage space limit of the permanent table in the schema.

ALTER SCHEMA schema_name 
    WITH PERM SPACE 'space_limit';

schema_name
Indicates the name of the current schema.

Value range: An existing schema name.
RENAME TO new_name
Renames a schema.

new_name: new name of the schema

Value range: A string. It must comply with the naming convention.
OWNER TO new_owner
Changes the owner of a schema. To do this as a non-administrator, you must be a direct or indirect member of the new owning role, and that role must have CREATE permission in the database.

new_owner: new owner of a schema

Value range: An existing user name/role.
WITH PERM SPACE
Changes the storage upper limit of the permanent table in the schema. If a non-administrator user wants to change the storage upper limit, the user must be a direct or indirect member of all new roles, and the member must have the CREATE permission on the database.

new_owner: new owner of a schema

Value range: A string consists of an integer and unit. The unit can be K/M/G/T/P currently. The unit of parsed value is K and cannot exceed the range that can be expressed in 64 bits, which is 1 KB to 9007199254740991 KB.

Rename the ds schema to ds_new.

ALTER SCHEMA ds RENAME TO ds_new;

Change the owner of ds_new to jack.

ALTER SCHEMA ds_new OWNER TO jack;