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TencentDB for PostgreSQL
Release Notes and Announcements
Release Notes
Product Announcements
Product Introduction
Overview
Features
Strengths
Scenarios
Regions and AZs
Product Feature List
Large version lifecycle description
MSSQL Compatible Version
Billing
Billing Overview
Instance Type and Specification
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Overdue Payments
Refund
Backup Space Billing
Database Audit Billing Overview
Getting Started
Creating TencentDB for PostgreSQL Instance
Connecting to TencentDB for PostgreSQL Instance
Managing TencentDB for PostgreSQL Instance
Importing Data
Migrating Data with DTS
Kernel Version Introduction
Kernel Version Overview
Kernel Version Release Notes
Viewing Kernel Version
Proprietary Kernel Features
Database Audit
Audit Service Description
Activating Audit Service
View Audit Logs
Modify audit services
Audit Performance Description
User Guide
Instance Management
Upgrading Instance
CPU Elastic Scaling
Read-Only Instance
Account Management
Database Management
Parameter Management
Log Management and Analysis
Backup and Restoration
Extension Management
Network Management
Access Management
Data Security
Tenant and Resource Isolation
Security Groups
Monitoring and Alarms
Tag
AI Practice
Using the Tencentdb_ai Plug-In to Call Large Models
Building Ai Applications with the Tencentdb Ai Plug-In
Combining Supabase to Quickly Build Backend Service Based on TencentDB for PostgreSQL
Intelligent Customer Service Vector Search System Based on PostgreSQL + pgvector
Image-Based Product Search System Built on PostgreSQL + pgvector
Use Cases
postgres_fdw Extension for Cross-database Access
Automatically Creating Partition in PostgreSQL
Searching in High Numbers of Tags Based on pg_roaringbitmap
Querying People Nearby with One SQL Statement
Configuring TencentDB for PostgreSQL as GitLab's External Data Source
Supporting Tiered Storage Based on cos_fdw Extension
Implement Read/Write Separation via pgpool
Implementing Slow SQL Analysis Using the Auto_explain Plugin
Using pglogical for Logical Replication
Using Debezium to Collect PostgreSQL Data
Set Up a Remote Disaster Recovery Environment for PostgreSQL Locally on CVM
Read-Only Instance and Read-Only Group Practical Tutorial
How to Use SCF for Scheduled Database Operations
Fix Table Bloat
Migration Guide
DTS-Based Logical Migration
Physical migration based on DTS
DTS-Based Data Sync
Performance White Paper
Test Methods
Test Results
API Reference
History
Introduction
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Instance APIs
Read-Only Instance APIs
Backup and Recovery APIs
Parameter Management APIs
Security Group APIs
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ドキュメント
TencentDB for PostgreSQL
Migration Guide
DTS-Based Logical Migration
Verification Failure Handling
Database Connection Check
Database Connection Check
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フォントサイズ
最終更新日: 2024-12-12 20:11:49
Check Details
The source and target databases need to be properly connected; if not, a connection failure will be reported.
Cause
The network or server where the source database resides has a security group or firewall configured
.
The source IP addresses are blocked in the source database
.
The network port is not opened
.
The database account or password is incorrect.
Fixing Method
Follow the corresponding links in the problem cause for processing.
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