Oracle Critical Database Patch IDs for April 2021 An Essential/Critical Patch Update could be a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and third-party elements enclosed in Oracle merchandise. These patches are sometimes additive, however every informative describes only the protection patches intercalary since the previous essential Patch Update informative.
How To Bootstrap MySQL Router For InnoDB Cluster Bootstrap MySQL Router against an InnoDB Cluster to automatically configure the routing of incoming client connections to mysql instances. To bootstrap MySQL Router at the command-line, pass in the –bootstrap option when you start the mysqlrouter command, and it retrieves the topology information from the metadata and configures routing connections to
Changing InnoDB Cluster Topology in MySQL By default, an InnoDB Cluster runs in single-primary mode, where the cluster has one primary server that accepts read and writes queries (R/W), and all of the remaining instances in the cluster accept only read queries (R/O). When you configure a cluster to run in multi-primary mode, all of
How to Setup MySql InnoDB Cluster MySQL InnoDB Cluster provides a complete high availability solution for MySQL. By using the AdminAPI included with MySql Shell, you can easily configure and administer a group of at least three MySQL server instances to function as an InnoDB Cluster. Each MySQL server instance runs MySQL Group Replication, which
Adopting a Group Replication Deployment into InnoDB Cluster in MySQL If you have an existing deployment of Group Replication and you want to use it to create a cluster, pass the adoptFromGR option to the dba.createCluster() function. The created InnoDB Cluster matches whether the replication group is running as single-primary or multi-primary. To adopt
Add & Drop Standby Redolog Files on Standby (Dataguard) in Oracle In this article, we are going to demonstrate add & drop standby redolog files on standby (dataguard) in Oracle. Drop or add standby redolog files require in case we resized/recreate redolog in PRIMARY so need to follow same on STANDBY database or some times
How to change Group Replication Mode in MySQL In this blog, we will see How to change the mode in which a group is running in, either single or multi-primary. For this we will use two functions group_replication_switch_to_multi_primary_mode() & group_replication_switch_to_single_primary_mode(). These functions used to change a group’s mode can be run on any member. In
Deploying MySql Group Replication in Single-Primary Mode Group Replication is provided as a plugin to MySQL Server. MySQL Group Replication enables you to create elastic, highly-available, fault-tolerant replication topologies and Group Replication guarantees that the database service is continuously available. Groups can operate in a single-primary mode with the automatic primary election, where only one
RMAN Full Database Backup Scripts in Oracle. In this article, we are going to prepare a script for RMAN full database backup which includes backup of datafiles, control files, spfile along with archives. This RMAN full database script will create a backup in a specified location (local directory) on the database server. Generally, we do
Oracle Database 19c RPM Installation On Oracle Linux 7 Oracle Database 19c can now be installed on Linux OS using an RPM.This post describes the steps for RPM based installation of Oracle Database 19c 64-bit on OEL 7 64-bit. Step 1. Prerequisite for Installation: Two most important things for rpm based installation is (1) You
