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TencentDB for SQL Server
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    Release Notes

    Last updated: 2024-04-10 17:51:10
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      March 2024

      Update
      Description
      Release Date
      Documentation
      Supports Replica Node Read-Only
      TencentDB for SQL Server supports the replica node read-only feature, allowing access to the replica node via a replica node read-only address, which can effectively save the cost of a read-only instance.
      2024-03-08
      Read-only Instances Support Enabled Public Network Access
      TencentDB for SQL Server read-only instances support enabling public network addresses within the read-only group, and the application system can access via the read-only group's public network address.
      2024-03-08
      New Monitoring Metrics
      TencentDB for SQL Server has introduced new monitoring metrics related to the machine where the two-node cloud disk edition instance is deployed, including: disk throughput, disk read traffic, disk write traffic, average read IO response time, and average write IO response time.
      2024-03-07

      December 2023

      Update
      Description
      Release Date
      Documentation
      Supports SSL Encryption
      TencentDB for SQL Server supports SSL encryption, which creates a secure encrypted transmission channel between the client and the cloud database server to ensure data information encrypted transmission. This not only prevents data from being intercepted or tampered with, but also ensures the security of information exchanged between both parties.
      2023-12-07

      November 2023

      Update
      Description
      Release Date
      Documentation
      Optimized Configuration Mode for Dual-Node Cloud Disk Edition
      TencentDB for SQL Server two-node cloud disk edition instance specifications change and disk expansion methods have been optimized from migration upgrades to in-place upgrades.
      2023-11-30
      Added regions and AZs of Single-Node Cloud Disk Edition Architecture
      TencentDB for SQL Server single-node cloud disk edition architecture now supports the region: Tokyo (Zone 1, Zone 2).
      2023-11-02

      October 2023

      Update
      Description
      Release Date
      Documentation
      Single-node New Instance Specifications
      TencentDB for SQL Server single node General SSD, Enhanced SSD, and High Performance Cloud Block Storage instances now offer a new 1:8 ratio specification and high-specification options.
      2023-10-09

      September 2023

      Update
      Description
      Release Date
      Documentation
      Console and Feature Optimization
      The TencentDB for SQL Server technical team has optimized the console and product features as follows, further improving and enhancing the user experience.
      TCOP instance monitoring page integration with TencentDB for SQL Server.
      Modifying the instance project will not unbind the security group.
      Retention duration policy is added to manual backup, supporting the choice of following the automatic backup retention time or the instance lifetime.
      2023-09-14
      Setting the Instance Project
      Creating Manual Backup
      Supports Manual Primary-Replica Switch
      TencentDB for SQL Server supports manual switching between the primary and replica databases to ensure system availability and data integrity. The instance connection address remains unchanged, allowing applications to automatically connect to the new primary instance.
      2023-09-05

      August 2023

      Update
      Description
      Release Date
      Documentation
      Added regions and AZs for the two-node cloud disk edition architecture
      TencentDB for SQL Server two-node cloud disk architecture supports the following regions: Tokyo (Zones 1 and 2), Bangkok (Zones 1 and 2), Jakarta (Zones 1 and 2).
      2023-08-04
      -
      Supported mobile instance management
      TencentDB for SQL Server may be accessible from mobile devices via Tencent Cloud Assistant, which offers real-time monitoring, remote management, restart, renewal, and other features. This enables you to use it in mobile work scenarios, allowing you to stay up to date with the database's operating status and solve important issues anytime and anywhere, even outside working hours. This increases your productivity and convenience at work.
      2023-08-03
      Viewing Instance List

      June 2023

      Update
      Description
      Release Date
      Documentation
      Supported transparent data encryption (TDE)
      TencentDB for SQL Server supports TDE feature. TDE means that the data encryption and decryption are imperceptible to users. TDE supports real-time I/O encryption and decryption of data files. It encrypts data before the data is written to disk, and decrypts data when the data is read into memory from disk, which meets the compliance requirements of static data encryption.
      2023-06-26
      Transparent Data Encryption

      May 2023

      Update
      Description
      Release Date
      Documentation
      Added regions and AZs for the two-node cloud disk edition architecture
      TencentDB for SQL Server supports new regions and AZs: Frankfurt (Zones 1 and 2), Seoul (Zones 1 and 2), Silicon Valley (Zones 1 and 2), Mumbai (Zones 1 and 2), Virginia (Zones 1 and 2), and São Paulo (Zone 1).
      2023-05-25
      Optimized the console and features
      ‌The TencentDB for SQL Server team has made the following optimizations on the product features and console display to further improve the user experience.
      For the task check before DTS data migration, the check error details and solutions are provided.
      For failures during the DTS data migration process, the failure details and solutions are provided.
      2023-05-05

      April 2023

      Update
      Description
      Release Date
      Documentation
      Optimized rollback feature
      TencentDB for SQL Server supports rolling back the database to the current instance, existing intra-region instances, and existing cross-region instances by time point or backup set. This guarantees remote disaster recovery, allowing you to restore data in an easier and more secure manner.
      2023-04-21
      Rollback Overview

      March 2023

      Update
      Description
      Release Date
      Documentation
      Supported querying and downloading blocking and deadlock events
      TencentDB for SQL Server allows you to enable the collection of blocking and deadlock events and download corresponding log files. This helps you locate and optimize SQL statements that cause problems.
      2023-03-23
      Added cloud disk types for single-node instances
      A TencentDB for SQL Server single-node (formerly Basic Edition) instance of cloud disk edition supports mounting Balanced and Enhanced SSD cloud disks of up to 32 TB in all regions, making it easier to flexibly sustain more business load scenarios.
      2023-03-02
      Fully released the two-node architecture of cloud disk edition
      TencentDB for SQL Server has fully released the new two-node architecture of cloud disk edition in Beijing, Shanghai, Guangzhou, Chengdu, Chongqing, Nanjing, Hong Kong (China), and Singapore regions. It has all the features of the two-node architecture of local disk edition, offers more flexible CPU/memory specifications, and supports mounting Balanced and Enhanced SSD cloud disks of up to 32 TB in all regions.
      2023-03-02

      February 2023

      Update
      Description
      Release Date
      Documentation
      Optimized backup restoration
      TencentDB for SQL Server optimizes the backup restoration and supports task editing, database renaming, and multiple COS file formats
      2023-02-14
      Account type and permission modification
      TencentDB for SQL Server launched a new database account type and permission logic to better help you manage your accounts.
      2023-02-09
      Added new monitoring metrics.
      The RO sync delay time is added for TencentDB for SQL Server to monitor the data sync delay time between the primary and the replica instance.
      2023-02-09
      Added the tryout of two-node cloud disk architecture
      TencentDB for SQL Server launched a two-node cloud disk edition instance, which is fully compatible with all features of the two-node local disk instance. Its performance is comparable to that of a local SSD, allowing you to easily handle various business scenarios that require high performance, concurrency, and availability. It has more flexible CPU/memory specification ratios, supports general and enhanced SSD cloud disks, and can store up to 32 TB of data. In addition, the former high-availability/cluster editions are renamed as two-node, and the former basic edition as single-node for tryout. To use it in advance, submit a ticket for application.
      2023-02-09

      January 2023

      Update
      Description
      Release Date
      Documentation
      Supported cross-account data migration
      TencentDB for SQL Server supports cross-account data migration between instances with DTS.
      2023-01-13

      December 2022

      Update
      Description
      Release Date
      Documentation
      Supported version upgrade for Basic Edition
      Self-service version upgrade is supported for TencentDB for SQL Server Basic Edition instances.
      December 12, 2022
      Supported cross-AZ migration for Basic Edition
      Cross-AZ migration is supported for TencentDB for SQL Server Basic Edition instances. All attributes and configurations (including the private network address and the subnet) of the instances remain unchanged after migration.
      2022-12-12
      Optimized the console and features
      ‌The TencentDB for SQL Server team has made the following optimizations on the product features and console display to further improve the user experience.
      The replica AZ field is added in the instance list in the console, which can display the primary and replica AZs and multi-AZ status of the instance.
      The database list and account list support fuzzy search by database or account name.
      2022-12-12
      -

      November 2022

      Update
      Description
      Release Date
      Documentation
      Supported archive backup
      TencentDB for SQL Server automatic backup supports setting archive backup retention and non-archive backup retention. You can use this feature to back up data by scheduling two cycles, which reduces the costs compared with a single-cycle backup policy.
      2022-11-22

      October 2022

      Update
      Description
      Release Date
      Documentation
      Added new monitoring metrics.
      New metrics are available for TencentDB for SQL Server 2014 and later, including internally locked/used memory.
      2022-10-09

      September 2022

      Update
      Description
      Release Date
      Documentation
      Optimized operations for security group binding
      TencentDB for SQL Server security groups can be unbound from projects and support multi-selection and fuzzy search capabilities.
      2022-09-16

      August 2022

      Update
      Description
      Release Date
      Documentation
      Supported modifying the system character set collation and time zone of instances
      TencentDB for SQL Server allows you to set the system character set collation and time zone when purchasing an instance.
      2022-08-25
      Launched the service in Hong Kong Zone 3
      TencentDB for SQL Server is now available in Hong Kong Zone 3 in Dual-Server High Availability Edition and Cluster Edition.
      2022-08-10

      July 2022

      Update
      Description
      Release Date
      Documentation
      Supported public network access
      TencentDB for SQL Server supports public network access. After this feature is enabled, an instance can be accessed at its public network address.
      2022-07-25

      June 2022

      Update
      Description
      Release Date
      Documentation
      Optimized the console and features
      ‌The TencentDB for SQL Server team has made the following optimizations on the product features and console display to further improve the user experience.
      Manual backups in the specified time range can be batch deleted.
      The backup name can contain up to 128 characters.
      The log backup frequency has been adjusted to every 10 minutes.
      The visual display of the backup space trend chart is optimized in the console.
      Slow query files can be sein the specified time range.
      Exact and fuzzy searches are supported for VPC, subnet, and project lists on the purchase page.
      The display order of system monitoring metrics is adjusted in the console.
      The logic to set the instance maintenance window is optimized. You need to select at least one maintenance window to guarantee the database Ops security.
      A quick redirect link is added to the VPC console to quickly query the TencentDB for SQL Server instances bound to VPCs.
      2022-06-22
      -

      May 2022

      Update
      Description
      Release Date
      Documentation
      Supported data migration over CCN
      When you use DTS to migrate data to TencentDB for SQL Server, the source database can interconnect with the VPC over CCN.
      2022-05-30
      Supported Korean character sets
      You can select a Korean character set during TencentDB for SQL Server instance creation.
      2022-05-30
      Released new documents
      Documents such as FAQs, Constraints and Limits, Usage Specifications and Suggestions are added to help you better use TencentDB for SQL Server.
      2022-05-27
      
      

      March 2022

      Update
      Description
      Release Date
      Documentation
      Supported concurrently executing multiple tasks at the database level
      TencentDB for SQL Server allows you to execute up to five concurrent tasks, including backup, restoration, account authorization, database deletion, and renaming, in different databases in the same instance under the same account.
      2022-03-14
      -

      February 2022

      Update
      Description
      Release Date
      Documentation
      Released the commercial edition of the backup feature
      The commercial edition of the backup feature of TencentDB for SQL Server is released, which supports customizing the automatic backup policy. Data backup supports custom retention period and cycle, and log backup can be viewed and downloaded. The backup statistics overview of all instances is added. You can quickly view the backup space statistics and trends of all instances in each region under your account, free tier usage, as well as the real-time backup space statistics of each instance.
      2022-02-15
      Optimized the system monitoring feature
      The system monitoring page in the TencentDB for SQL Server console is optimized to support full-screen data display, time comparison, monitoring granularity configuration, and data export.
      2022-02-11

      January 2022

      Update
      Description
      Release Date
      Documentation
      Supported SSD cloud disks on Basic Edition
      You can use SSD cloud disks on TencentDB for SQL Server Basic Edition with a specification of up to 24-core 96 GB MEM.
      2022-01-20
      Supported setting instance remarks
      TencentDB for SQL Server allows you to edit instance remarks in the console for easier instance identification and management.
      2022-01-17
      Supported switching from classic network to VPC
      TencentDB for SQL Server allows you to switch from the classic network to VPC in the console for easier network management based on your business requirements.
      2022-01-14
      Supported specifying IP for VPC
      TencentDB for SQL Server allows you to change the instance network in the console. You can change from VPC A to VPC B in another AZ in the same region and specify the subnet IP.
      2022-01-14

      December 2021

      Update
      Description
      Release Date
      Documentation
      Supported self-service configuration adjustment
      TencentDB for SQL Server supports self-service instance configuration adjustment in the console, including architecture/version upgrade and CPU/memory/disk scaling. It offers multiple adjustment modes, such as concurrent scaling and differentiated scaling, and displays reminders for the adjustment impact in different scenarios.
      2021-12

      November 2021

      Update
      Description
      Release Date
      Documentation
      Launched the updated data migration feature (new)
      The updated data migration feature (new) is launched, and the old data migration feature has been disused and will be deactivated on March 1, 2022. The new feature has more data migration capabilities.
      2021-11
      Launched the service in Chongqing region
      TencentDB for SQL Server is now available in Chongqing Zone 1.
      2021-11

      October 2021

      Update
      Description
      Release Date
      Documentation
      Supported cross-AZ migration
      You can now migrate an instance to another AZ in the same region. All attributes and configurations (including the private network address and the subnet) of the instance remain unchanged after migration.
      2021-10

      September 2021

      Update
      Description
      Release Date
      Documentation
      Updated the performance test report
      TencentDB for SQL Server has been comprehensively upgraded with the new ultra-high specification of 90 cores, 720 GB MEM, and 4.5 million TPM. Both performance and cost performance have been improved by more than 30% once again, breaking Tencent Cloud's own performance record in the industry. Besides, the performance test report now covers the high availability edition and basic edition instances.
      2021-09
      Supported unarchived backup files upload to COS
      By default, backup files (i.e., .bak files) will be archived into a .tar file and then uploaded to COS. If you select "Unarchived files" here, the .bak file of each database in the instance will be directly uploaded to COS without being archived, which means that you can now download the backup file of a single database.
      2021-09
      Supported backup on the replica node
      You can now back up data at the replica node of a cluster edition 2017/2019 instance.
      2021-09
      Launched the service in Bangkok region
      TencentDB for SQL Server is now available in Bangkok Zone 1 and Bangkok Zone 2.
      2021-09
      Launched the service in Singapore region
      TencentDB for SQL Server is now available in Singapore Zone 2.
      2021-09
      Launched the service in Jakarta region
      TencentDB for SQL Server is now available in Jakarta Zone 2.
      2021-09

      August 2021

      Update
      Description
      Release Date
      Documentation
      Launched the service in Beijing Zone 6
      TencentDB for SQL Server is now available in Beijing Zone 6.
      2021-08
      Launched the service in Guangzhou Zone 7
      TencentDB for SQL Server is now available in Guangzhou Zone 7.
      2021-08

      July 2021

      Update
      Description
      Release Date
      Documentation
      Supported configuring change data capture (CDC)
      You can configure CDC in the console on your own. CDC records the information of all changes in a table and the median values of changed data entries, which help you better track table changes.
      2021-07
      Supported configuring change tracking (CT)
      You can configure CT in the console on your own. CT records modifications of table rows and allows you to directly get the latest data from the track table.
      2021-07
      Supported configuring database shrinking
      You can directly shrink database in the console to avoid space waste.
      2021-07
      Supported configuring parameters in the console
      You can view and directly modify parameters in the console and view parameter modification logs, which make parameter modification easier.
      2021-07
      Launched 11 new system and instance monitoring metrics
      4 memory and lock performance counter monitoring metrics and 7 physical machine system monitoring metrics are added for enterprise-grade users to comprehensively monitor database performance.
      2021-07

      June 2021

      Update
      Description
      Release Date
      Documentation
      Launched high-specification instances
      Dual-Server High Availability Edition, Cluster Edition, and read-only instances are now available in 64-core 512 GB and 90-core 720 GB specifications, meeting the needs of enterprise-grade users.
      2021-06
      -
      Launched the service in Tokyo Zone 2
      TencentDB for SQL Server is now available in Tokyo Zone 2.
      2021-06

      May 2021

      Update
      Description
      Release Date
      Documentation
      Launched TencentDB for SQL Server 2019
      TencentDB for SQL Server 2019 is officially launched and supports Basic, High Availability, and Cluster Edition instances, which have great improvements in performance, ease of use, high availability, and security.
      2021-05
      Supported Versions
      Launched the service in Beijing Zone 7
      TencentDB for SQL Server is now available in Beijing Zone 7.
      2021-05

      December 2020

      Update
      Description
      Release Date
      Documentation
      Supported self-service version and architecture upgrade
      You can upgrade the version and architecture and scale instances in the console in a self-service manner to easily adjust instances based on your business needs.
      2020-12
      This example shows you how to adjust instance specification.

      November 2020

      Update
      Description
      Release Date
      Documentation
      Supported the use of tags
      TencentDB for SQL Server supports using tags. You can use tags to mark different resource usages, users, and business scenarios under your account.
      2020-11
      -
      Launched the service in the Chengdu region
      TencentDB for SQL Server is now available in the Chengdu region.
      2020-11

      October 2020

      Update
      Description
      Release Date
      Documentation
      Supported migration with DTS and optimized cold backup migration
      DTS supports data migration from self-built SQL Server databases in IDCs, clouds, and other cloud vendors to TencentDB for SQL Server as well as data migration between TencentDB for SQL Server instances. Cold backup migration restores data from .bak files, which is applicable to data migration from SQL Server databases in other cloud vendors and self-built SQL Server databases to TencentDB for SQL Server. Multiple migration methods deliver an easier and more user-friendly data migration experience.
      2020-10

      July 2020

      Update
      Description
      Release Date
      Documentation
      Launched TencentDB for SQL Server Basic (Standalone) Edition
      TencentDB for SQL Server Basic Edition is launched, which supports cloud sysadmin permissions. It provides a complete set of genuinely licensed database solutions with high availability, security, and performance and light Ops.
      2020-07

      March 2020

      Update
      Description
      Release Date
      Documentation
      Supported admin accounts
      TencentDB for SQL Server supports admin permissions. An admin has read/write permissions for all databases on the instance and thread management permissions and can automatically discover new databases and get their read/write permissions.
      2020-03
      -

      January 2020

      Update
      Description
      Release Date
      Documentation
      Supported Always On clusters
      TencentDB for SQL Server 2017 Enterprise Edition instances supports adding read-only instances. The underlying Always On architecture implements the control of cluster capabilities, such as automated data replication, traffic load balancing of read-only instances, and primary/replica switch of primary instances.
      2020-01

      December 2019

      Update
      Description
      Release Date
      Documentation
      Supported multi-AZ deployment
      Multi-AZ deployment can meet the needs for disaster recovery in multiple locations and better guarantee the availability.
      2019-12
      Supported setting device maintenance time
      TencentDB for SQL Server supports setting the maintenance time. To ensure the stability of your TencentDB instance, the backend system performs maintenance operations on the instance during the maintenance time at irregular intervals.
      2019-12

      October 2019

      Update
      Description
      Release Date
      Documentation
      Supported configuring security groups
      Security group serves as a stateful virtual firewall with filtering feature for configuring network access control for one or more TencentDB instances. It is an important network security isolation tool provided by Tencent Cloud.
      2019-10
      Supported recycle bin
      After a pay-as-you-go instance expires or is manually terminated, it can be automatically put in the recycle bin for retention.
      2019-10
      -

      September 2019

      Update
      Description
      Release Date
      Documentation
      Supported creating databases with multiple character sets available in the console
      TencentDB for SQL Server supports multiple SQL Server character sets provided by Microsoft in the console for your choice when creating databases.
      2019-09

      July 2019

      Update
      Description
      Release Date
      Documentation
      Launched the service in the Seoul region
      TencentDB for SQL Server is now available in the Seoul region.
      2019-07

      June 2019

      Update
      Description
      Release Date
      Documentation
      Supported pay-as-you-go billing mode
      TencentDB for SQL Server supports the pay-as-you-go billing mode. You can select a billing mode based on your business needs.
      2019-06

      May 2019

      Update
      Description
      Release Date
      Documentation
      Supported instance configuration upgrade
      The database instance specification can be upgraded, and the capacity can be expanded.
      2019-05

      September 2017

      Update
      Description
      Release Date
      Documentation
      Launched SQL Server 2016
      TencentDB for SQL Server is now available on SQL Server 2016.
      2017-09
      -

      December 2016

      Update
      Description
      Release Date
      Documentation
      Supported read-only mode for replica servers
      TencentDB for SQL Server supports read-only mode for replica servers. You can select memory and disks as needed to tailor the database specification for your actual business. The read-only mode is implemented through snapshots, facilitating online data analysis. It doesn't increase the costs, affect the primary database performance, or compromise high availability.
      2016-12
      -

      May 2016

      Update
      Description
      Release Date
      Documentation
      Supported SQL Server 2012 Enterprise Edition
      TencentDB for SQL Server is now available on SQL Server 2012 Enterprise Edition, which is compatible with all features of SQL Server 2008.
      2016-05
      -

      December 2015

      Update
      Description
      Release Date
      Documentation
      Launched TencentDB for SQL Server officially
      TencentDB for SQL Server is officially launched and provides various features such as instance management, instance details, system monitoring, database management, account management, and backup.
      2015-12
      
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