As I could not find any information about this error when I faced it this is just a short hint: If you try to use pg_dump or pg_dumpall out of a PPAS installation to dump or dumpall a community version of PostgreSQL you probably get this: pg_dump: [archiver (db)] query failed: ERROR: schema “sys” does not exist pg_dump: [archiver (db)]…
This post takes a look on how to migrate the Oracle 12cR1 sample schemas to PPAS 9.4 (PostgreSQL Plus Advanced Server 9.4). I’ll not dig into how to install PPAS as this was described in detail some time ago. Just follow this post if you need a setup guide. If you wonder why I am doing this there are two…
To be able to define which Tables or Stored Procedures will us the best performance gain after migration to In-Memory OLTP, SQL Server 2014 provided a tool called AMR (Analysis Migration and Reporting). This tool was really interesting but we should have, before to use it, to create a Management Data Warehouse and so on… (I wrote a blog here…
During a copy of a database from an environment to another (from Production to pre-production for instance), people usually don’t changed the logical name of the data or log files when they rename the database and the physical file names. In my test environment, I create 2 copies of AdventureWorks and you can see that the logical name is the…
QlikView is a product of the software company named Qlik (previously known as QlikTech) which was designed to provide business intelligence & visualization capabilities using reports or dashboards. The QlikView solution is in fact composed of some components just like a Documentum environment (Content Server, WebServer, JMS, aso…). So QlikView is composed of three main components: QlikView Server: the core…
By Franck Pachot . How to migrate from non-CDB to CDB? Of course all known migration methods works. But there is also another solution: upgrade to 12c if necessary and then convert the non-CDB to a PDB. This is done with the noncdb_to_pdb.sql which converts a non-CDB dictionary to a PDB one, with metadata and object links. But do you…
By Franck Pachot . Je viens d’assister au Webinar Zero Downtime Migration pour Oracle, présenté par Chris Lawless qui est récemment passé de Product Manager Golden Gate à Product Manager Dbvisit. Je vais détailler ici un point très important évoqué par Chris Lawless. La migration par réplication n’est pas seulement envisagée pour éviter un arrêt de service. Arrêt nécéssaire lors…
The choice of the correct character set before you create an Oracle 12c database is an important decision. You have to know the type of data you have to store and the languages needed by the Oracle database. Oracle recommends to choose Unicode for its universality and compatibility. It supports all written languages and most of the technical and scientific…
During one of my last MySQL mission, I encountered a “security error” with mysqldump. The mission was about migrating a MySQL database from one box to another MySQL version and from Windows to Linux with different users. In order to do that, I used mysqldump. During the import of the data, I got the following warning: ERROR 1449 (HY000) at…
With the appearance of WebLogic Server as Oracle application server and the emergence of the Oracle Fusion Middleware suite, some may wonder what will be the support of their Oracle Internet Application server license, e. g. Oracle Forms and Reports services, Business Intelligence Edition, etc. As a consultant, I am often dealing with these kinds of problems and aiming to
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Oracle Application Express – APEX 4.1 Introduces many new features such as :
Improved error handling and user-defined exception processing
Application Express now supports the use of ROWID for updates, inserts and deletes as an alternative to specifying primary keys
Developers can now easily add the capability for end-users to load spreadsheet data into existing tables within an application
The
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Last Week at my Customer, I used dbua to upgrade an oracle database 10h to 11g, the migration run successfully. But next day I had a monitoring message that the diag directory is groing very fast.
