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In this article I will tell the installation of Elasticsearch on Centos 7. We will perform the installation with an example scenario. Before reading this …

Hardware issues that occur in the Exadata db node and cell nodes need to be manually detected and cleaned in some cases. Even in temporary …

Kibana is an excellent tool that we can manage and visualize the data stored on Elasticsearch. You can create dashboards using your elasticsearch data. Can …

The DLM Statistics Collection and Management slave (SCM0) background process is responsible for collecting and managing statistics on global enqueue service (GES) and global cache …

Policy-Based Management is a feature that is introduced with SQL Server 2008. It allows us to set the rules we want in our systems, to …

The process is terminated as follows when running expdp in 12C databases. ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS [ORA-04063: view “SYS.KU$_RADM_FPTM_VIEW” has errors The …

Change Data Capture (CDC) is a technology that can be used in incremental data transfers from OLTP systems to data warehouse systems. By storing the …

When an object is incorrectly compiled, it is necessary to determine what this error is and to correct the error. You can view this error …

The Backup Compression feature was introduced with SQL Server 2008. We can reduce our backup sizes by selecting this option when backing up. However, while …

This error is received when trying to import a Data Pump export of the 12c r2 database to a lower version. The error content is …