- Release Notes and Announcements
- Release Notes
- Announcements
- Announcement on Changing External Network Links
- Interface Authentication Upgrade Announcement
- Maintenance Time Change from Local Time to Beijing Time
- Account Type and Permission Changes
- Product Architecture Name Change
- Disk Storage Space Composition Change
- Ending Support for Classic Network [2022.12.31]
- Backup Billing Start [2022.07.10]
- Ending Sale for Basic Edition 1-Core Specification [2022.03.07]
- User Guide
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Constraints and Limits
- Usage Specifications and Suggestions
- Maintaining Instance
- Renaming Instance
- Setting Instance Remarks
- Setting Instance Tag
- Setting Instance Project
- Modify Instance-level Character Set Collation
- Modify System Time Zone
- Setting Instance Maintenance Information
- Multi-AZ Disaster Recovery
- Restarting Instance
- Terminating Instance
- Migrating Across AZs
- Manual Primary-Secondary Switching
- Recycle Bin
- Adjusting Instance Configuration
- Read-Only Instance
- Network and Security
- Account Management
- Database Management
- Data Security
- Parameter Configuration
- Monitoring and Alarms
- Backup and Restoration
- Log Management
- Publish-Subscribe
- SSIS
- Data Migration (New)
- Data Migration (Legacy)
- Practical Tutorial
- API Documentation
- History
- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
- Instance Management APIs
- Data security encryption related APIs
- Parameter configuration related APIs
- Log management related APIs
- Extended Event APIs
- Read only instance management related APIs
- Backup APIs
- Rollback APIs
- Data migration (cold standby migration) related APIs
- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
- DeleteBackupMigration
- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
- Data migration (DTS old version) related APIs
- Making API Requests
- Database APIs
- Other APIs
- Data Types
- Error Codes
- FAQs
- Overview
- Model Selection
- Pricing and Selection
- Connection and Network
- Account and Permission
- Backup and Rollback
- Data Migration
- Publish/Subscribe
- Read-Only Instance
- Version and Architecture Upgrade
- Disk Space and Specification Adjustment
- Monitoring and Alarms
- Log
- Parameter Modification
- Features
- Performance/Space/Memory
- Service Agreement
- Performance Evaluation
- Glossary
- Contact Us
- Release Notes and Announcements
- Release Notes
- Announcements
- Announcement on Changing External Network Links
- Interface Authentication Upgrade Announcement
- Maintenance Time Change from Local Time to Beijing Time
- Account Type and Permission Changes
- Product Architecture Name Change
- Disk Storage Space Composition Change
- Ending Support for Classic Network [2022.12.31]
- Backup Billing Start [2022.07.10]
- Ending Sale for Basic Edition 1-Core Specification [2022.03.07]
- User Guide
- Product Introduction
- Purchase Guide
- Getting Started
- Operation Guide
- Constraints and Limits
- Usage Specifications and Suggestions
- Maintaining Instance
- Renaming Instance
- Setting Instance Remarks
- Setting Instance Tag
- Setting Instance Project
- Modify Instance-level Character Set Collation
- Modify System Time Zone
- Setting Instance Maintenance Information
- Multi-AZ Disaster Recovery
- Restarting Instance
- Terminating Instance
- Migrating Across AZs
- Manual Primary-Secondary Switching
- Recycle Bin
- Adjusting Instance Configuration
- Read-Only Instance
- Network and Security
- Account Management
- Database Management
- Data Security
- Parameter Configuration
- Monitoring and Alarms
- Backup and Restoration
- Log Management
- Publish-Subscribe
- SSIS
- Data Migration (New)
- Data Migration (Legacy)
- Practical Tutorial
- API Documentation
- History
- Introduction
- API Category
- Sales and fee related APIs
- Network management related APIs
- Account management related APIs
- Instance Management APIs
- Data security encryption related APIs
- Parameter configuration related APIs
- Log management related APIs
- Extended Event APIs
- Read only instance management related APIs
- Backup APIs
- Rollback APIs
- Data migration (cold standby migration) related APIs
- CreateBackupMigration
- ModifyBackupMigration
- StartBackupMigration
- DescribeBackupMigration
- DeleteBackupMigration
- DescribeUploadBackupInfo
- CreateIncrementalMigration
- ModifyIncrementalMigration
- StartIncrementalMigration
- DescribeIncrementalMigration
- DescribeBackupCommand
- DescribeBackupUploadSize
- DeleteIncrementalMigration
- Data migration (DTS old version) related APIs
- Making API Requests
- Database APIs
- Other APIs
- Data Types
- Error Codes
- FAQs
- Overview
- Model Selection
- Pricing and Selection
- Connection and Network
- Account and Permission
- Backup and Rollback
- Data Migration
- Publish/Subscribe
- Read-Only Instance
- Version and Architecture Upgrade
- Disk Space and Specification Adjustment
- Monitoring and Alarms
- Log
- Parameter Modification
- Features
- Performance/Space/Memory
- Service Agreement
- Performance Evaluation
- Glossary
- Contact Us
What is the slow query collection threshold in TencentDB for SQL Server?
The default slow query collection threshold in TencentDB for SQL Server is one second. SQL statements whose execution duration exceeds one second will be recorded into slow logs.
Can I modify the slow query collection threshold in TencentDB for SQL Server?
The default slow query collection threshold in TencentDB for SQL Server is one second, which cannot be modified in the console. To modify it, submit a ticket for assistance. The threshold modification won't affect your business.
Do slow query logs in TencentDB for SQL Server use my storage space?
No.
Can I view the slow SQL table in TencentDB for SQL Server?
Log in to the TencentDB for SQL Server console, click the target instance ID in the instance list. On the slow query log page, query and download slow query logs as instructed in Querying and Downloading Slow Query Log. The slow SQL table of TencentDB for SQL Server is not displayed by default. You can view it after connecting to the instance through SSMS. If you don't have relevant permissions, submit a ticket for escalating your database account permissions.
How do I analyze slow SQL queries in TencentDB for SQL Server?
Log in to the TencentDB for SQL Server console and click the ID of the target instance to enter the slow query log page. For more information, see Querying and Downloading Slow Query Log. Download slow logs from the console. The downloaded file is in .xel format. You can open the .xel file in SSMS to view specific slow SQL queries. To optimize slow queries, you can copy them, enable the execution plan feature to view their specific execution plans, and optimize them accordingly. For more information, see Display an Actual Execution Plan.
Will transaction logs in TencentDB for SQL Server be automatically cleared?
TencentDB for SQL Server transaction logs will be cleared automatically once every 30 minutes.
Can I view audit logs in TencentDB for SQL Server?
No.
Can I view error logs in TencentDB for SQL Server?
Currently, you cannot view error logs in the TencentDB for SQL Server console. However, you can directly view instance logs in SSMS.
How do I get the error logs of TencentDB for SQL Server through commands?
Log in to the SQL Server client and run the following query statement in the query box to query error logs:
Exec master.sys.sp_readerrorlog FileID,LogType,FilterText
FileID: File ID of the error log.
0 indicates the latest log.LogType: Log type. Valid values: 1 (error logs); 2 (agent logs).
FilterText: Query keyword, which can be
NULL.Sample:
exec master.sys.sp_readerrorlog 0,1,'error'
Yes
No
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