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Disaster, whether natural or man-made, does not spare anyone, not even the crucial and most popular applications for many organizations. SQL Server might be prey for disasters anytime. So, the administrator must have proper arrangements to save the database from any kind of loss in case of such events. It is essential to have a recovery plan beforehand to make the organization to be stress-free or shock-free during the time it encounters any disaster.
Before going further, let us list the factors which could lead to disaster in SQL Server and affect its working.
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The latest versions of SQL Server provide some options to set up a disaster recovery mechanism which can be beneficial for SQL administrators under challenging situations. We will be discussing them in the next section of this blog.
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The in-built disaster recovery options provided by the Microsoft SQL Server are:
I guess most of the administrators are aware of this option although they don’t take it seriously. Let us know what an administrator can do for the disaster recovery:
SQL Server Enterprise Edition facilitates Always-On Database Availability Groups technology which protects SQL databases by performing automatic failover. With SQL Server 2017 Standard edition Basic Availability Groups, an administrator can take care of a single database. Let us know how it works:
Log-Shipping is available in all SQL versions from 2000 including SQL 2017 standard, enterprise editions and for earlier SQL versions. An administrator can use T-SQL scripts and SQL Agent jobs to perform the same functions. Let us know it’s working:
Always-On Fail-over Clustering Instances facilitates server protection from unexpected damage or failure. It helps in disaster recovery through geo-clustering with different cluster nodes are placed at different physical locations (can be in different regions too). Let us understand it more:
This procedure involves copying SQL Server database data and then distributing it to another database. Let us go through some important points about it:
So, those are the disaster recovery plans that an SQL administrator can carry out and make the database safe against any future mishap. But if you have corrupted database files along with you, we provide you the ultimate method for its recovery with our tool. Kernel for SQL Database carries out the recovery of any level corrupted database. It deals with database files of any SQL Server version and recovers complete data. Let us know about it in detail with the working steps.
With the simple procedure and intuitive interface of Kernel for SQL Database, the recovery of SQL Database is a swift and easy task. You can rely on this tool for your bad days with SQL Server anytime.
Some disaster recovery plans with SQL Server (Microsoft SQL Server in-built utilities) are discussed to avoid any sort of future disaster (human-made or natural) that leads to SQL data loss. Regular database Backups are encouraged with these plans; but to recover corrupt and damaged MDF files or to recover deleted records in SQL server, Kernel SQL Database Recovery is considered the most suitable one.