NDB Cluster 8.0 is available as a General Availability (GA) release, beginning with NDB 8.0.19. NDB Cluster 7.6 and 7.5 are previous GA releases still supported in production; for information about NDB Cluster 7.6, see What is New in NDB Cluster 7.6. For similar information about NDB ...
ANALYZE Collect statistics of table, index, partition, cluster, etc. AUDIT Track occurrence of specific or all SQL statements or operations on some specific Schema object. SCL– Session Control Language Session Control Language (SCL) statements are used to manage changes made to the database by ...
ACID Property MySQL partially follows ACID properties, for complete compliance should be used with cluster storage engines. PostgreSQL completely follows ACID properties. SQL Compliance MySQL is partially compliant with SQL. PostgreSQL is completely compliant with SQL. Performance MySQL is only used for ...
For example, the term "database replica" is used in the names of the Always On dynamic management views that return information about availability databases: sys.dm_hadr_database_replica_states and sys.dm_hadr_database_replica_cluster_states. However, in SQL Server...
For information about availability groups on Linux, seeAvailability groups for SQL Server on Linux. In an HA configuration, a cluster role is created for every availability group that you create. The WSFC cluster monitors this role to evaluate the health of the primary replica. The quorum for ...
Cost-saving infrastructure when migrating multiple SQL Server instances. The following diagram illustrates an instance pool with multiple managed instances deployed to a virtual cluster in a virtual network subnet: What's new? November 2024 brings the following capabilities: Create pools, create instances...
As part of the schema synchronization procedure performed when starting, an SQL node now compares all databases on the cluster's data nodes with those in its own data dictionary, and if any of these is found to be missing from the SQL node's data dictionary, the SQL Node installs it loc...
scale vertically. This means they're scaled by increasing the power of the server hardware, which can be expensive. NoSQL databases are often chosen for their ability to scale horizontally, which enables them to handle large amounts of data by adding more servers to the database cluster. ...
SIOS Failover Cluster Software supports hot failovers, delivering a zero RPO and an RTO of milliseconds forhigh availability. The results: a system failure results in no data loss and is transparent to the user. RTOis the maximum tolerable duration of any outage. Online transaction processing ...
Discovery and assessment of SQL Server Always On Failover Cluster Instances and Always On Availability Groups is now supported. Learn more. Public Preview: Modernize your ASP.NET web apps onto Azure Kubernetes Service (AKS) directly through Azure Migrate. Learn more. Update (January 2023) Envision...