> <@annabackiyam:matrix.org> CREATE TABLE CONF_TEST (
>              ID NUMBER(10) GENERATED BY DEFAULT ON NULL AS IDENTITY,
>             NAME VARCHAR2(128) NOT NULL,
>             VALUE CLOB NOT NULL,
>             VALUE_TYPE NUMBER(5) NOT NULL,
>             DESCRIPTION VARCHAR2(255) DEFAULT NULL NULL,
>             updated_at timestamp(0) DEFAULT SYSTIMESTAMP NOT NULL,
>             created_at TIMESTAMP(0) DEFAULT NULL NULL,
>             PRIMARY KEY (ID))

It's an existing table