Database Tutorials MSSQL, Oracle, PostgreSQL, MySQL, MariaDB, DB2, Sybase, Teradata, Big Data, NOSQL, MongoDB, Couchbase, Cassandra, Windows, Linux

Today we learn what Protection Mode Data Guard are and how to Change them. Data Guard protection modes are briefly described in the table below. …

In today’s article, I will explain how the Clients are Automatically Connected to the New Primary in Role Changes. In case of Switchover or Failover, …

In today’s article, we will create an Instance for Oracle Database 18C, which provides automatic recovery and automatic performance without any outside intervention. “Oracle Database”, …

Azure Management Group, which was made publicly available by Microsoft in July 2018, helps you manage your Azure subscriptions by grouping them together. if you …

Write Ahead Log is PostgreSQL’s transaction log. Keeps records of transactions. Before it is written to the data files, it keeps the data here and …

Error Received: RMAN-06059: expected archived log not found, loss of archived log compromises recoverability ORA-19625: error identifying file /backup/archive/1_543823_156765345.arc ORA-27037: unable to obtain file status …

In order to make Failover from the broker, we need to set the Listener and TNS settings correctly. Listener and TNS files of a SINGLE …

In order to improve your business and go to better, more affordable and higher quality, you need to regularly check your databases for health. Here …

In Oracle Weblogic, sometimes our services open slower than expected, even if it is opened, the “7001/console” screen makes us wait. I did a little …

In today’s article, we will learn where the installation files are in PostgreSQL, how to access data, lib, bin and many similar configuration information. First, …