September 2017 releases of preupgrade.jar and preupgrd.sql are available

On a regular basis the Database Upgrade Team releases new and improved versions of the preupgrade tools via a MyOracle Support note. And it’s time again: the September 2017 releases of preupgrade.jar and preupgrd.sql are available for download.

September 2017 releases of preupgrade.jar and preupgrd.sql are available

Please ALWAYS download the most recent versions of preupgrade.jar for upgrades to Oracle Database 12.2 and preupgrd.sql (including utluppkg.sql) for Oracle Database 12.1.0.2 upgrade from MOS Note: 884522.1.… [Read More]

Oracle Label Security (OLS) Clean Up in Oracle Database 11.2-12.2

Oracle Label Security (OLS) Clean Up in Oracle Database 11.2-12.2Oracle Label Security (OLS) clean up in Oracle Database 11.2-12.2 is almost as simple and straight forward as removing OWM or APEX. You can do it online without downtime. But in older releases a relink operation did cause downtime. Oracle Label Security is an extra cost option. More information is available on oracle.com.… [Read More]

Oracle APEX (Application Express) Clean Up in Oracle Database 11.2-12.2

Oracle APEX (Application Express) Clean Up in Oracle Database 11.2-12.2Oracle APEX (Application Express) clean up in Oracle Database 11.2-12.2 is fairly simple and straight forward. With the upgrade to Oracle Database 12.2.0.1 Oracle APEX does not get upgraded automatically anymore. If necessary you should upgrade Oracle APEX upfront of afterwards. But please do keep an eye on the APEX certification with Oracle Database 12.2.0.1 to avoid any issues:

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Remove and Clean Up Components from Oracle Database 11.2 – 12.2

Remove and Clean Up Components - Oracle 11.2 - 12.2Remove and Clean Up Components - Oracle 11.2 - 12.2

I will start a series of blog posts on how to remove and clean up components from Oracle Database 11.2 – 12.2.

Precaution

This series of blog posts is not meant to recommend the removal of any options from an Oracle Database. It is not meant to create any sort of negativeness on any of the components or options.… [Read More]

Customer Success: Swiss Mobiliar Insurance

In late 2014 I’ve got asked if I’d like to work with Swiss Mobiliar, the oldest Switzerland insurer, on their upgrade project to move almost 300 databases from Oracle 11.2.0.3 to 12.1.0.2.

Swiss Mobiliar 12c

Swiss Mobiliar – Insurance – 300 databases to Oracle 12c

How do such projects start?

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PGA_AGGREGATE_LIMIT enforces default since Oracle Database 12.2.0.1

The init.ora/spfile parameter PGA_AGGREGATE_LIMIT got introduced in Oracle Database 12.1.0.1.

As per documentation in Oracle Database 12.1 it got defined as:

PGA_AGGREGATE_LIMIT specifies a limit on the aggregate PGA memory consumed by the instance.“.

Furthermore the algorithm for its setting got described as:

By default, PGA_AGGREGATE_LIMIT is set to the greater of 2 GB, 200% of PGA_AGGREGATE_TARGET, and 3 MB times the PROCESSES parameter.[Read More]

Unified Auditing – Performance Improvements in Oracle 12.1.0.2

Unified Auditing got introduced in Oracle Database 12.1.

Unified Auditing - Performance Improvements in Oracle 12.1The downsides of the “old” auditing facilities became obvious when too many users had activities or transactions at the same time leading to audit records being written into AUD$. Contention was a typical issue. The same thing happened when too many users tried to login at the same time.… [Read More]