Database management

DBSAT un outil pour la sécurité de vos bases de données Oracle

Qu’est-ce que DBSAT ? C’est un outil gratuit d’Oracle que vous pouvez télécharger sur My Oracle Support avec comme référence : Doc Id 2138254.1. Il a pour but d’évaluer la sécurité de vos bases de données Oracle en analysant(…)

12c NSSn process for Data Guard SYNC transport

By Franck Pachot . In a previous post https://www.dbi-services.com/blog/dataguard-wait-events-have-changed-in-12c/ I mentioned the new processes NSA for ASYNC transport and NSS for SYNC transport. I'm answering a bit late to a comment about the number of processes:(…)

Install Apache Kafka on Linux

What is Apache Kafka ? No, Kafka is not only the famous author (en.wikipedia.org/wiki/Franz_Kafka), it’s an open-source distributed pub-sub messaging system with powerful skills like scalability and fault tolerance. It’s also a stream processing platform (near real-time) for(…)

Oracle 12.2 – How to rotate the 12.2 listener log (DIAG_ADR_ENABLED_LISTENER = OFF)

By William Sescu The listener log file contains a lot of very useful information, like the program which was used for the connection, the IP address where the connection is coming from, the OS user which was used on the(…)

12cR2 auditing all users with a role granted

By Franck Pachot . 12.1 introduced Unified Auditing where you define policies and then enable them. As with the traditional audit, you enable them for all users or for specific users. The unified auditing adds a syntax to audit all(…)

New release model for JUL17 (or Oracle 17.3): RU and RUR

By Franck Pachot . Updated June 5th When reading about new version numbering in SQL Developer, I took the risk to change the title and guess the future version number for Oracle Database: Oracle 17.3 for(…)

Oracle 12cR2: exchange partition deferred invalidation

By Franck Pachot . In a previous post I introduced the new 12cR2 feature where some DDL operations can use the same rolling invalidation than what is done with dbms_stats. On tables, DDL deferred invalidation is(…)

Which privilege for CREATE PLUGGABLE DATABASE from DB LINK?

By Franck Pachot . When cloning a PDB from a remote CDB you need to define a database link to be used in the CREATE PLUGGABLE DATABASE … FROM …@… command. The documentation is not completely clear about the(…)

12cR2 needs to connect with password for Cross-PDB DML

By Franck Pachot . In a previous post, I explained that Cross-PDB DML, executing an update/delete/insert with the CONTAINERS() clause, seems to be implemented with implicit database links. Connecting through a database link requires a password(…)

Workaround for bug 19566227/20563128 doing Cross Platform Migration (MOS Note 1389592.1)

In a project I have to move an Oracle 11.2.0.4-DB (around 7TB in size) from Sparc Solaris (called Source in the remainder of this Blog) to Linux x86-64 (called Target in the remainder of the Blog). I.e. a platform migration(…)