Oracle fake index

Recently following the document ID 456468.1, I made a verification of the integrity of the catalog. Anyway, they have appeared a couple of errors indicating a problem with an object identifier:


This object exist in dba_objects, the query:

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ORA-13605 sql access advisor, when execute SQL Access Advisor en Oracle

Once again he repeats the story, a PathSet installed with the idea of solving problems and new ones appear (this time without document).

This time it was to install the PatchSet on the version The fact is that now when trying to run the SQL Access Advisor, the task is not created but an error in the alert.


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RMAN parameters, in scripts (only Oracle 11g or later)

When we make a list of the backups made with:

RMAN> list backup summary;

For example, we may have problems locating a backupset. The result is quite confusing and certainly inelegant labels are created by default.

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ora-01591 lock held by in-doubt distributed transaction

It is possible that an application displays in its log an ORA-01591 error, which according to official documentation is due to a 2-phase trasacción that can not be completed.

Such transactions are used, for example, when a commit using tables obtained from a dblink becomes.It verifies that you can make a remote commits, another local and finally performs in the 2 locations atomically.

Well when connecting with a dblink is lost during a transaction, the transaction is in an uncertain state and if another session attempts to modify the objects involved see the ORA-01591 error.

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Oracle password expired, Oracle 11g

Since the release of Oracle Database 11g, it has reinforced security by default. This should in principle be positive, but there are some situations where some behaviors may be unpleasant.

The most obvious example can be found in the modification of the profile (PROFILE) DEFAULT, which is applied to any user created by default.

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ORA-07445 [kkecdn()+9776] After apply Pacth Set

Recently, to solve a production problem identified as a bug (solventable with Path Set has been necessary to update BD Oracle version to (that matter we are going to last Patch Set).

After installing the Path Set for Linux 64 bits, which went smoothly and update catalogs databases, everything seemed to go perfectly.

At the moment the COMPATIBLE parameter remained with the original version

Problems occurred about a day later when a report stopped working, the alert displays:

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RMAN restore read only data files, including read write datafiles

When performing a restore of a copy with RMAN (Oracle Database), may appear notices as:

datafile #NUM not processed because file is read-only

This is because it has been used the command:

restore database;

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Oracle search string in database

In some cases, fortunately not too many, I had to search for a string (usually something related to configuration) in a schema of the database.

Gets complicated when there is a huge amount of tables and also no way to contact the developer, is as hell.

Well good for these cases I want to share a PL / SQL script homegrown (as almost everyone who put in the blog), which facilitates the issue fairly:

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Oracle listener automatic registration of services

Starting with Oracle Database version 8i, need not be recorded BD services in the listener.ora file, the DB can automatically register.

This functionality works perfectly if we have the listener on port 1521 (default), if we make a change there’s no port to connect to the database. This is because the value of the parameter which defaults LOCAL_LISTENER:

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