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TencentDB for SQL Server
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    Features and Differences

    Last updated: 2024-12-24 14:15:55
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      This document describes the features and differences of TencentDB for SQL Server editions.

      Edition Features and Differences

      Module
      Feature
      Two-Node (Formerly High-Availability/Cluster Edition)
      Single-Node (Formerly Basic Edition)
      Edition
      -
      2008R2 Enterprise
      2012 Standard/Enterprise
      2014 Standard/Enterprise
      2016 Standard/Enterprise
      2017 Standard/Enterprise
      2019 Standard/Enterprise
      2022 Enterprise
      2008R2 Enterprise
      2012 Enterprise
      2014 Enterprise
      2016 Enterprise
      2017 Enterprise
      2019 Enterprise
      2022 Enterprise
      Lifecycle
      Instance creation
      Supported
      Supported
      Instance restart
      Supported
      Supported
      Auto-renewal
      Supported
      Supported
      Billing mode modification
      Supported
      Supported
      Instance termination
      Supported
      Supported
      Read-only instance creation
      Supported
      Unsupported
      Publish/Subscribe
      Supported
      Supported
      Specification upgrade/downgrade
      Supported
      Supported
      Disk capacity adjustment
      Local Disk Expansion and Contraction: Supported
      Cloud Disk Expansion: Supported
      Disk Shrinking: Unsupported
      Expansion: Supported
      Shrink: Unsupported
      Version upgrade
      Supported
      Supported
      Architecture upgrade
      Supported
      Unsupported
      Instance attribute
      Instance list view
      Supported
      Supported
      Instance details view
      Instance renaming
      Instance remarks modifying
      Instance tagging
      Maintenance time management
      Project management
      Application availability
      High availability method
      SQL Server 2008R2/2012/2014/2016 Enterprise, SQL Server 2012/2014/2016 Standard adopt Mirror HA
      SQL Server 2017/2019/2022 Enterprise adopt Always On high availability
      Compute node migration + disk snapshot
      Cross-AZ disaster recovery
      Supported
      Unsupported
      Intra-region disaster recovery
      Supported
      Unsupported
      Read-only instance removal
      Supported
      Unsupported
      Cross-AZ migration
      Supported
      Unsupported
      Backup and recovery
      Full backup
      Supported
      Supported
      Data backup
      Increment backup
      Log backup
      Scheduled backup
      Manual backup
      Archive file
      Unarchived files
      Instance backup
      Multi-database backup
      Backup policy customization
      Restoration by backup set
      Restoration by time point
      Restoration by user backup set
      Rollback to current instance
      Rollback to existing intra-region instance
      Rollback to existing cross-region instance
      Backup download
      Backup task execution on replica instance
      SQL Server 2008R2/2012/2014/2016 Enterprise, SQL Server 2012/2014/2016 Standard unsupported
      SQL Server 2017/2019/2022 Enterprise supported
      Unsupported
      Monitoring and alarms
      Resource monitoring
      Supported
      Supported
      Engine monitoring
      Supported
      Second-level monitoring
      Unsupported (one-minute granularity)
      Monitoring policy customization
      Unsupported
      Supported
      Alarm
      Supported
      Supported
      Account management
      Account creation and deletion
      Supported
      Supported
      Standard account
      Privileged account
      Designated account
      Admin Account
      Unsupported
      Supported
      Database management
      Database creation
      Supported
      Supported
      Database deletion
      Database cloning
      Database authorization
      Change data capture (CDC)
      Change tracking (CT)
      Database shrinking
      Data security
      Security group
      Supported
      Supported
      Database audit
      Unsupported currently
      Unsupported
      Network encryption
      TDE encryption
      Supported
      Supported
      SSL encryption
      Supported
      Supported
      Data channel
      Data sync
      Unsupported currently
      Unsupported currently
      Homogeneous data migration
      Supported
      Supported
      Heterogeneous data migration
      Unsupported
      Unsupported
      Supported
      Supported
      Log management
      Error log
      Unsupported
      Unsupported
      Slow log
      Supported
      Supported
      Execution log
      Unsupported
      Unsupported
      Blocking and deadlock events
      SQL Server 2012/2014/2016/2017/2019/2022 Enterprise supported
      SQL Server 2012/2014/2016/2017/2019/2022 Enterprise supported
      Parameter management
      Parameter update
      Supported
      Supported
      Parameter history
      Parameter template
      Unsupported
      Unsupported
      Performance optimization
      Expert service
      Supported
      Supported
      Resource analysis
      Unsupported
      Unsupported
      Engine analysis
      Network
      Classic network
      Supported
      Supported
      VPC
      Public network address
      Supported
      Supported
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