Updating oracle table sequence
For primary key columns, SQLAlchemy will in most cases use these capabilities automatically.
See the API documentation for of a statement is an internal SQLAlchemy object which contains all information about the statement being executed, including its source expression, the parameters associated with it and the cursor.
The may be placed on any column as a “default” generator to be used during INSERT operations, and can also be configured to fire off during UPDATE operations if desired.
That means the database might generate different values from the ones ADO. Before submitting the pending inserts to the database, the example displays the contents of the rows.