Blog Archives

Using the Secure External Password Store with Instant Client

There are several articles of how to use Secure External Password Store, e.g. Using The Secure External Password Store [ID 340559.1] and official doc Managing the Secure External Password Store for Password Credentials or Oracle’s White Paper Secure External Password Store. However, the main

Posted in Instant Client, Oracle

`Dirty` trick from Linux vendors

Today I wasted several hours to troubleshoot an installation problem on OEL 6.3: GI was unable to install in silent mode due to error ‘File “/etc/resolv.conf” is not consistent across nodes’. I tried almost everything and even checked an md5

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Posted in Oracle

How to forbid maintenance tasks to run during monthly reporting period

It’s a common practice for many companies to have kind of monthly reporting period near the first days of a month, when all parties work hard to provide reports in time. This time could be very strict in term of

Posted in Oracle, Scheduler

ORA-8103 and DDL on a trigger

Once upon a time i was contacted by one of internal customers with a strange situation: some job were failing with error ORA-8103 sometimes. The error itself is not a big deal; there are a lot of documents which describe

Posted in ORA-8103, Oracle, trigger

Bombing a database with Public Synonym

Let’s imagine we have some procedure which depends in public synonym, say – USER_TABLES: Connect as scott and check that it depends on the synonym: And do the trick (as scott) The procedure becomes invalid while creating object with the

Posted in Oracle, trigger

When DML becomes DDL

Some time ago I was contacted by one of our developers (smile and wave, yes, you!) with very interesting issue on (fortunately) development database. The next is almost a quote: Ok, 20033 is user-defined exception at recursive level 2… this

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Posted in Oracle

Grid install may fail with “no network HB”

We have tried to install a new 11gR2 Grid (as for now it is and found a “wonderful” issue which is not obvious to diagnose. The cluvfy utility failed to check private network connectivity between the nodes. Both machines

Posted in Oracle
Data ... as usual

All things about data by Laurent Leturgez

Carlos Sierra's Tools and Tips

Tools and Tips for Oracle Performance and SQL Tuning

Just another oracle developer

Coskan's Approach to Oracle

What I learned about Oracle

Oracle Scratchpad

Just another Oracle weblog

Oleksandr Denysenko's Blog

be prepared for The Future...