Mike Mascari <mascarm@mascari.com> writes:
> SQL> CREATE PROCEDURE test
> 2 AS
> 3 BEGIN
> 4 INSERT INTO foo SELECT SYSDATE FROM dual;
> 5 dbms_lock.sleep(5);
> 6 INSERT INTO foo SELECT SYSDATE FROM dual;
> 7 END;
> 8 /
> Procedure created.
> SQL> execute test;
> PL/SQL procedure successfully completed.
> SQL> select to_char(a, 'HH24:MI:SS') from foo;
> TO_CHAR(
> --------
> 12:01:07
> 12:01:12
What fun. So in reality, SYSDATE on Oracle behaves like timeofday():
true current time. That's certainly not a spec-compliant interpretation
for CURRENT_TIMESTAMP :-(
Has anyone done the corresponding experiments on the other DBMSes to
identify exactly when they allow CURRENT_TIMESTAMP to advance?
regards, tom lane
