Ranga Babu

Ranga Babu

Ranga Babu

SQL Server DBA, Developer with a good experience in SQL server administration, development, performance tuning, monitoring, high availability and disaster recovery technologies
Ranga Babu
adding database to an existing failover group

Azure SQL Server auto-failover groups

July 18, 2019 by

In this article, we will review how to set up auto-failover groups in Azure SQL Server and how failover group is different from active geo-replication in Azure. Auto-failover group is an Azure SQL database feature that replicates one or a group of databases to the secondary Azure SQL server in the cross-region. We cannot have a secondary server in the same region. This feature is used to failover all the databases in the failover group in case of disaster and the failover is automatic.

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Geo-Replication

Azure SQL database Geo-Replication

July 15, 2019 by

In this article, we will review how to set up Geo-Replication on Azure SQL databases. Geo-Replication is an Azure SQL database feature that allows you to create a readable secondary database in the same region or cross-region. We can failover to the secondary database in case of an outage for a long time on the primary database server. We can also use this feature to migrate a database from one server to another server in the same or cross region with minimal downtime. Geo-replication uses the Always-on feature to replicate committed transactions to the secondary database asynchronously.

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creating elastic job agent in Azure

Azure SQL – Elastic Job Agent

June 24, 2019 by

In this article, we will review on elastic job Agent in Azure SQL and how to configure elastic jobs to run scripts on Azure SQL databases. SQL Server Agent is a powerful component that is used to schedule and execute jobs in SQL server. But in Azure, SQL server agent is available only in managed instances and not in the single databases. To schedule and execute jobs on single databases we have a feature called elastic job agent. This feature is used for scheduling and execute jobs on a single database, all the databases in the server, or on all the databases in an elastic pool.

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Parameter group

AWS RDS – SQL Server Administration

May 30, 2019 by

In this article, we will review common database administration tasks for AWS RDS (Relational Database Service) SQL Server instance. RDS does not provide access to some of the system procedures and tables that require advanced privileges. So, we cannot perform all the administration tasks on the RDS SQL Server instance.

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Direct recursive triggers in SQL Server

Triggers in SQL Server

May 15, 2019 by

In this article, we will review triggers in SQL Server, different types of trigger events, trigger order and NOT FOR REPLICATION in triggers. A trigger is a database object that runs automatically when an event occurs. There are three different types of events.

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Data check

SQL Foreign key

April 5, 2019 by

In this article let us review different ways to create a SQL foreign key, rules on updates and deletes, enabling foreign key constraints, disabling foreign key constraints and not for replication in foreign keys.

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