Img.1.The database schema for a recruitment service To illustrate the processes and configurations, we use the MS SQL Server 2017 DBMS and the JobEmplDB database that belongs to a recruiting service. This will be the first part of the series of articles dedicated to automated database backup and restore aimed at checking database integrity. DBMS level – replication settings and fault-tolerance solutions.Īs we can see from the list above, fault-tolerance must be implemented at the level of the entire server as it is the last frontier before the performance loop of the entire information system with possible data loss.Information system level – server components.We achieve fault-tolerance by the actions and settings combination at the following levels: Moreover, it is critical to configure its availability and fault tolerance, and these qualities depend much on each other. Let’s start by saying that any information system depends on ensuring its correct and optimal work. And since your data is subject to modification, the primary task is to ensure its safety and mitigate the risks of data loss. The importance of database backup and restore can be neither underestimated nor ignored.
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