What is AGL SQL Server?

What are high availability solutions in SQL Server?

It is the solution or process or technology to make the service or application or database availability 24×7 and 100% through needless and fault-tolerant components at the same location under either planned or unplanned outages.

What is SQL Server AlwaysOn?

SQL Server AlwaysOn provides a high-availability and Disaster-recovery solution for SQL Server 2012. It makes use of existing SQL Server features, particularly Failover Clustering, and provides new capabilities such as availability groups. … It aims to provide more granular control to achieve High Availability.

What is AAG in SQL Server?

A read-scale availability group is a group of databases that are copied to other instances of SQL Server for read-only workload. … You can create any type of backup of a primary database. Alternatively, you can create log backups and copy-only full backups of secondary databases.

How do you check if high availability is enabled in SQL Server?

The feature within SSMS for monitoring Availability groups is the Always On Dashboard. This main dashboard can be accessed by right clicking on the "Availability Groups" folder under the "Always On High Availability" folder in Object Explorer. After clicking "Show Dashboard" above you get the following tab.

What is availability of database?

Data availability is about the timeliness and reliability of access to and use of data. It includes data accessibility. Availability has to do with the accessibility and continuity of information. Information with low availability concerns may be considered supplementary rather than necessary.

How do you replicate a database?

Database replication can be done in at least three different ways. In snapshot replication, data on one server is simply copied to another server or to another database on the same server. In merging replication, data from two or more databases is combined into a single database.

How do I know if SQL Server is always on status?

The feature within SSMS for monitoring Availability groups is the Always On Dashboard. This main dashboard can be accessed by right clicking on the "Availability Groups" folder under the "Always On High Availability" folder in Object Explorer.

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