Oracle - Modify an existing table to auto-increment a column

Question

I have a table with the following column:

NOTEID      NUMBER NOT NULL,

For all intents and purposes, this column is the primary key. This

Answer 1

If your MAX(noteid) is 799, then try:

CREATE SEQUENCE noteseq
    START WITH 800
    INCREMENT BY 1

Then when inserting a new record, for the NOTEID column, you would do:

noteseq.nextval