Patching OS in DBCS VM DB Using DBCLI
There's an earlier post which shows updating and patching the OS. This method used yum to update the OS. It is still valid and available in documentation as well.Recently Oracle introduced a new way to...
View ArticleFlashback PDB in a Multi Standby Data Guard Configuraiton
There is an earlier post which looks flashback use with various configuration such as PDB, non-CDB and CDB on 12.2. This post looks flashback use when multiple standbys are invovlved and when each are...
View ArticleORA-16856: transport lag could not be determined on Far Sync After Archive...
The behaviour mentioned in this post only started to appear after applying the DBRU 19.12. Prior to applying the DBRU there was no issue of ORA-16856 with the combination of conditions mentioned in the...
View ArticleRemote Log Archive Destinations are Not Mentioned in Alert Log After DBRU...
A data guard configuration consists of several standby and far sync instances.DGMGRL> show configurationConfiguration - db_dg Protection Mode: MaxAvailability Members: db2 - Primary database db1 -...
View ArticleKeyStore / TrustStore Password and '?' is interpreted as $ORACLE_HOME
One way to connect to ATP using JDBC thin is to load key/trust store password and locations using an ojdbc.properties file.While atempting to connect to a customer ATP using given crednetails resulted...
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Creating Database from Backup of a Terminated DB System
Once a DBCS VM DB system or a database is terminated there's no way to recover it. At least that's the officail word from Oracle and stated in bold before termianting a DB or a DB system. For DB For DB...
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Backup Configuraiton in DBCS VM DB With Data Guard
There is an earlier post on how to setup data guard association on DBCS VM DB.This post looks at the backup configuraiton of such a setup.Primary has automatic backup enabled.The new data guard...
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Huge Amount of Audit Records Generated After ASH Package Update
After a patch update on EM 13.4 cloud control the performance hub page showed the "ASH Package Version Status" warning (refer 2784094.1). Warning itself shows what needs to be done to address the...
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Enbaling Database Management on DBCS VM DB
Database management service could be used to monitor both external and cloud databases. This post shows the steps for enabling database management on DBCS VM DB.Before enabling DB management there are...
View ArticleEncrypting / Decrypting Tablespaces Online / Offline in a Data Guard...
An earlier post showed the steps for encrypting/decrypting tablespaces both online and offline in a single database.This post shows the steps for doing the same when there's a data guard...
View ArticleSYS User Account Password Expiry Date Not Updated After Password Change
Due to the bug 28538439 the sys user password expiry date does not get updated on the dba_users view after a password change. This could be reproduced as shown below (DB version 19.13).SQL> select...
View ArticleUsing UR=A to Connect to Databases in Nomount Mode
Time to time there are situation were connecting to a database in nomount mode is needed. Most noteably is the data guard standby creation. When a database is started in nomount modestartup nomount;...
View ArticlePL/SQL Blocks, Roles and Definer's and Invoker's Rights
As per Oracle security doc"definer's rights and invoker's rights are used to control access to the privileges necessary during the execution of a user-created procedure, or program unit.In a definer's...
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Enabling MFA for IDCS User Accounts in OCI
OCI has two types of user accounts IAM native and IDCS (also refered to as federated user accounts). For IAM accounts user has to enable MFA for their own account. Admin cannot enable MFA for another...
View ArticleDBMS_CLOUD Package in DBCS VM DB
The dbms_cloud package comes built in in autonomous databases. Starting with 19.9 the dbms_cloud package could be installed in other databases as well. This has been documented in 2748362.1. There were...
View ArticleLoading Data to ATP from Object Storage
There are serveal ways to load data to ATP from object storage. This post shows examples of few of those options.Copying data from object storage to a table in ATP1. The copy_data method in dbms_cloud...
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Using Auto Scaling in ATP
Autonomous Transaction Processing (ATP) databases allows auto scaling where OCPU scale up 3 times the baseline OCPU count. This feature is enable by default. This post looks use of auto scaling in...
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Upgrading Enterprise Manager Cloud Control from 13.4 to 13.5 - 1
This is the first post on upgrading EM Cloud Control (EMCC) from 13.4 to 13.5. The upgrade steps mentioned here have been tried on a system that had the repository database converted to CDB as...
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Upgrading Enterprise Manager Cloud Control from 13.4 to 13.5 - 2
This is the second post on upgrading EMCC from 13.4 to 13.5 The previous post mentioned pre-req tasks to be carried out before the installation. The approach used in this case consists of two phase....
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Upgrading Enterprise Manager Cloud Control from 13.4 to 13.5 - 3
This is the third post on upgrading EMCC from 13.4 to 13.5. Previous posts showed how to complete the pre-req work and upgrade the EM. This post shows how to upgrade the central agent to 13.5.Central...
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