In this article we will see how we can configure an extract process to extract its trail files from the Standby logs without affecting the Primary. This way is called… read more
How can we connect Oracle Database to SQL Server using Oracle Gateway on Linux
In this article we will see how we can execute queries on remote SQL Server from Oracle Database on Oracle Linux / Red Hat Linux. In a previous article we saw how the reverse process is done so that we can connect from... read more
How can we connect Oracle Database to SQL Server using Oracle Gateway on Windows
In a previous article we saw how we can run queries on a remote SQL Server from an Oracle Database located on Linux through Oracle Database Gateway. In this article we will see how to install Oracle Gateway respectively... read more
How can we get email whenever PGA memory exceeds a limit in Oracle database
When an Oracle database is heavily used by many connections / sessions, one or some of them may consume a large percentage of memory (RAM). If there is a problem and it is not addressed due to lack of memory it may… read more
How to enforce password policy in an Oracle database
As we know in an Oracle database through User Profiles we can set restrictions on user groups regarding when and if a password expires (PASSWORD_LIFE_TIME), how many days it can be changed before it stops... read more
How do we change the name of the user / schema in an Oracle database
Using an Oracle Database we may at some point need to change the name of a user and a schema. Until version 11g this was not possible and we would have to create a new user and export/import with remap_schema. We can… read more
How do we apply a patch in an Oracle Data Guard environment (even online)
In a previous article we saw how to patch an Oracle database. In this article we will see the same process in an Oracle Data Guard environment on a UNIX operating system. The steps we will follow allow us to… read more
How to manually set up SSH communication between Unix Servers for Oracle Grid Infrastructure and RAC
In this article we will see what to do if during the installation of Oracle Grid Infrastructure on Unix we get an error when we try to Setup SSH connectivity. When we select in the tab below SSH connectivity and Setup for… read more
How to save space from old table partitions in an Oracle database
When we have very large tables, using Table Partitions helps a lot. Table Partition divides the table into smaller pieces depending on the field we have defined as a criterion, e.g. “date of entry”, these tracks can be located either… read more
