- 动态与公告
- 新手指引
- 产品简介
- 购买指南
- 快速入门
- 操作指南
- 最佳实践
- API 文档
- History
- Introduction
- API Category
- Making API Requests
- Instance Management APIs
- CreateCloudDBInstances
- CreateCloudReadOnlyDBInstances
- ModifyInstanceEncryptAttributes
- UpgradeDBInstance
- RollbackInstance
- RestoreInstance
- RestartDBInstance
- ResetAccountPassword
- ModifyDBRemark
- ModifyDBName
- ModifyDBInstanceProject
- ModifyDBInstanceName
- ModifyAccountPrivilege
- InquiryPriceUpgradeDBInstance
- InquiryPriceCreateDBInstances
- DescribeZones
- DescribeRollbackTime
- DescribeRegions
- DescribeProductConfig
- DescribeFlowStatus
- DescribeDBs
- DescribeDBInstances
- DescribeAccounts
- DeleteDB
- DeleteAccount
- CreateDBInstances
- CreateDB
- CreateAccount
- TerminateDBInstance
- RecycleDBInstance
- CloneDB
- DescribeDBCharsets
- ModifyDatabaseMdf
- ModifyDatabaseCT
- ModifyDatabaseCDC
- DescribeDBsNormal
- ModifyInstanceParam
- DescribeInstanceParams
- DescribeInstanceParamRecords
- OpenInterCommunication
- DescribeDBInstanceInter
- DescribeBusinessIntelligenceFile
- DeleteBusinessIntelligenceFile
- CreateBusinessIntelligenceFile
- CreateBusinessDBInstances
- CloseInterCommunication
- Network Management APIs
- Backup APIs
- RunMigration
- ModifyMigration
- DescribeMigrations
- DescribeMigrationDetail
- DescribeBackups
- DeleteMigration
- CreateMigration
- CreateBackup
- ModifyBackupStrategy
- StartIncrementalMigration
- StartBackupMigration
- ModifyIncrementalMigration
- ModifyBackupMigration
- DescribeUploadBackupInfo
- DescribeIncrementalMigration
- DescribeBackupUploadSize
- DescribeBackupMigration
- DescribeBackupCommand
- DeleteIncrementalMigration
- DeleteBackupMigration
- CreateIncrementalMigration
- CreateBackupMigration
- DescribeBackupFiles
- Extended Event APIs
- Database APIs
- Other APIs
- Data Types
- Error Codes
- 常见问题
- 性能测试
- 词汇表
- 联系我们
- 动态与公告
- 新手指引
- 产品简介
- 购买指南
- 快速入门
- 操作指南
- 最佳实践
- API 文档
- History
- Introduction
- API Category
- Making API Requests
- Instance Management APIs
- CreateCloudDBInstances
- CreateCloudReadOnlyDBInstances
- ModifyInstanceEncryptAttributes
- UpgradeDBInstance
- RollbackInstance
- RestoreInstance
- RestartDBInstance
- ResetAccountPassword
- ModifyDBRemark
- ModifyDBName
- ModifyDBInstanceProject
- ModifyDBInstanceName
- ModifyAccountPrivilege
- InquiryPriceUpgradeDBInstance
- InquiryPriceCreateDBInstances
- DescribeZones
- DescribeRollbackTime
- DescribeRegions
- DescribeProductConfig
- DescribeFlowStatus
- DescribeDBs
- DescribeDBInstances
- DescribeAccounts
- DeleteDB
- DeleteAccount
- CreateDBInstances
- CreateDB
- CreateAccount
- TerminateDBInstance
- RecycleDBInstance
- CloneDB
- DescribeDBCharsets
- ModifyDatabaseMdf
- ModifyDatabaseCT
- ModifyDatabaseCDC
- DescribeDBsNormal
- ModifyInstanceParam
- DescribeInstanceParams
- DescribeInstanceParamRecords
- OpenInterCommunication
- DescribeDBInstanceInter
- DescribeBusinessIntelligenceFile
- DeleteBusinessIntelligenceFile
- CreateBusinessIntelligenceFile
- CreateBusinessDBInstances
- CloseInterCommunication
- Network Management APIs
- Backup APIs
- RunMigration
- ModifyMigration
- DescribeMigrations
- DescribeMigrationDetail
- DescribeBackups
- DeleteMigration
- CreateMigration
- CreateBackup
- ModifyBackupStrategy
- StartIncrementalMigration
- StartBackupMigration
- ModifyIncrementalMigration
- ModifyBackupMigration
- DescribeUploadBackupInfo
- DescribeIncrementalMigration
- DescribeBackupUploadSize
- DescribeBackupMigration
- DescribeBackupCommand
- DeleteIncrementalMigration
- DeleteBackupMigration
- CreateIncrementalMigration
- CreateBackupMigration
- DescribeBackupFiles
- Extended Event APIs
- Database APIs
- Other APIs
- Data Types
- Error Codes
- 常见问题
- 性能测试
- 词汇表
- 联系我们
云数据库 SQL Server 是否支持双节点（原高可用版/集群版）变更到单节点（原基础版）？
云数据库 SQL Server 是否支持版本升级？
云数据库 SQL Server 是否支持版本降级？
云数据库 SQL Server 不支持版本降级，即2019版不能降级为2017版。
是
否
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