Oracle Team

Oracle 20c : The new PREPARE DATABASE FOR DATA GUARD

By Mouhamadou Diaw As you may know, Oracle 20c is in the cloud with new features. The one I have tested is the PREPARE DATABASE FOR DATA GUARD. This command configures a database for use as a primary database(…)

SQLNET.EXPIRE_TIME and ENABLE=BROKEN

By Franck Pachot . Those parameters, SQLNET.EXPIRE_TIME in sqlnet.ora and ENABLE=BROKEN in a connection description exist for a long time but may have changed in behavior. They are both related to detecting dead TCP connections with keep-alive probes. The former(…)

Running SQL Server on the Oracle Free tier

By Franck Pachot The Oracle Cloud is not only for Oracle Database. You can create a VM running Oracle Linux with full root access to it, even in the free tier: a free VM that will be always up, never(…)

NVMe the afterburner for your database

Over 1 million IOPS (@8 KByte) and more than 26 GByte/s (@1MByte): Read more to see all impressive benchmark figures from a server with 14 NVMe drives and read why this is still not the best you could get...

Dbvisit 9: Adding datafiles and or tempfiles

By Mouhamadou Diaw One question I was asking is if the standby_file_management parameter is relevant in a Dbvisit environment with Oracle Standard Edition. I did some tests and I show here what I did. We suppose that the Dbvisit(…)

Dbvisit Standby 9 : Do you know the new snapshot feature?

By Mouhamadou Diaw Dbvisit snapshot option is a new feature available starting from version 9.0.06. I have tested this option and in this blog I am describing the tasks I have done. The configuration I am using is following(…)

Persistent Memory and first usage on Oracle Exadata platform

Todays fastest possible interface for flash storage in terms of bandwidth and latency are DRAM sockets. Exadata X8M is the first Oracle engineered system using this technology that, according to first measurements taken by Oracle corporation, result in 200% read(…)

PostgreSQL 12 : Setting Up Streaming Replication

By Mouhamadou Diaw PostgreSQL 12 was released a few month ago. When actually setting up a replication, there is no longer recovery.conf file in the PGDATA. Indeed all parameters of the recovery.conf should be now in the postgresql.conf file. And(…)

Oracle 19c : Point-In-Time Recovery in a PDB

By Mouhamadou Diaw Point-In-Time Recovery is also possible in a multitenant environment. As in Non-CDB, a recovery catalog can be used or not. In this blog we will see how to recover a dropped tablespace in a PDB. We will(…)

OpenShift 4.1 Partner Introduction Day

By Mouhamadou Diaw Today was the OpenShift Partner Introduction Day by RedHat. This event happened at Lausanne There were people with different backgrounds. After presenting the RedHat compagny, the speaker explained what is Openshifts and why people must adopt(…)