Updated! 19-Jun-2022 SYSTEM REQUIREMENTS: This hands-on lab runs in an Oracle VM VirtualBox environment. VirtualBox 6.1 is the minimum recommended Version. In order to run the lab effectively you will… Read more »
Oracle Database from 18c and above can authenticate and authorize Microsoft Active Directory users with the database directly without intermediate directories or Oracle Enterprise User Security (like Oracle EUS 12c)…. Read more »
SYMPTOMS The alert message looks like EM Event: Warning:TEST_PDB1 – Total global cache block lost is 15. Host=db-test01.local Target type=Database Instance Target name=TEST_PDB1 Categories=Error Message=Total global cache block lost is… Read more »
Do you want update all sequences? make it simple! If you ever do data refreshes from production to development or test environments you may run into an issue where your… Read more »
Oracle RAC? Oracle Real Application Clusters (Oracle RAC) is the only solution to build an active – active cluster using shared storage for your Oracle database. Up to Oracle 18c… Read more »
In this article we are going to see use of Oracle Block Change Tracking concept in 19c database. 19c-Block Change Tracking(BCT) Oracle 10g introduced the Block change tracking (BCT) feature… Read more »
History Since December 2015, Oracle released Oracle Standard Edition 2 (SE2), replacing the previous Standard Edition (SE) and Standard Edition One (SE1) releases. Customers on versions before 12.1.0.2 (running Standard… Read more »
Since the release of Oracle 12c it is now easier to move columns logically. Oracle 12c added support for making columns invisible and that feature can be used to rearrange… Read more »
Starting with Oracle 12c, Oracle supports Advanced Network Compression. Too bad, it is available as part of Advanced Compression option. Oracle compresses the data to be transmitted over network at… Read more »
Pre-Tasks If you root then execute su – oracle Then > . oraenv Write down: +ASM Before start with the Oracle Restart process you must stop the listener: [oracle@DB ~]# crs_stat… Read more »