This problem started to happen lately. When I tried to reply to others' private messages, I got the error:Discuz! info: MySQL Query ErrorUser: Yong HuangTime: 2008-9-18 9:13pmScript: /pm.phpSQL: INSERT INTO pms (msgfrom, msgfromid, msgtoid, folder, new, subject, dateline, messag

There're many articles on the Internet that talk about cracking Oracle passwords, i.e., retrieving clear text password from the password hash (dba_users.password). Has anybody done this? From time to time, we have a legitimate use of this. Sometimes our application teams forget their passwords an

This is interesting. Read the second paragraph.http://www.freelists.org/archives/oracle-l/04-2008/msg00877.htmlYong Huang

I've been thinking of this for some time. Ever since Oracle started to write some code in Java, I suppose we're offered agreat opportunity to study Oracle internals by taking advantage of the fact that Java is easily disassembled. Unlike machine dependent assembly code, Java byte code is fairly

It should be around 3:30am Beijing time. Posting a message to itpub.net exposed MySQL code used by the web site. I gradually stripped more and more backslashes in my message and got it posted. Unfortunately, more than one message was posted, and I don't have a way to delete duplicate postings. So

Has anybody used expdp specifying both flashback_xxx (where xxx is either timestamp or scn) and network_link which links to the source database that has a lot of DML activity? In the past, we would use:exp username/password@sourcedb consistent=yNow I want to try data pump. Thinking consis

On both our 10.2.0.2 and 10.2.0.4 RAC (RH Linux), cursor_sharing is shown as force in gv$parameter but exact in gv$spparameter for all instances. dba_hist_parameter only has the value exact. Even though the value force exists in gv$parameter, isdefault is TRUE. But ismodified is MODIFIED (isadjus