tencent cloud

TencentDB for MySQL

Release Notes and Announcements
Release Notes
Product Announcements
User Tutorial
Product Introduction
Overview
Strengths
Use Cases
Database Architecture
Resource Isolation Policy
Economical Instance
Feature List
Database Instance
High Availability (Multi-AZ)
Regions and AZs
Service Regions and Service Providers
Kernel Features
Overview
Kernel Version Release Notes
Functionality Features
Performance Features
Security Features
Stability Features
TXRocks Engine
LibraDB Engine
Checking and Fixing Kernel Issues
Purchase Guide
Billing Overview
Selection Guide
Purchase Methods
Renewal
Payment Overdue
Refund
Pay-as-You-Go to Monthly Subscription
Instance Adjustment Fee
Backup Space Billing
Database Audit Billing Overview
Commercial Billing and Activity Description for Database Proxy
Description of the Database Proxy Billing Cycle
Viewing Bills
Getting Started
Overview
Creating MySQL Instance
Connecting to MySQL Instance
SQL Insight (Database Audit)
Overview
Viewing Audit Instance List
Enabling Audit Service
Viewing Audit Log
Log Shipping
Configuring Post-Event Alarms
Modifying Audit Rule
Modifying Audit Services
Disabling Audit Service
Audit Rule Template
SQL Audit Rule (Legacy)
Viewing Audit Task
Authorizing Sub-User to Use Database Audit
MySQL Cluster Edition
Introduction to TencentDB for MySQL Cluster Edition
Creating TencentDB for MySQL Cluster Edition Instance
Maintenance Management Instance
Viewing Instance Monitoring
Adjusting Instance Configuration
Operations for Other Features
Migrate or upgrade to TencentDB for MySQL Cluster Edition
Operation Guide
Use Limits
Operation Overview
Instance Management and Maintenance
Instance Upgrade
CPU Elastic Expansion
Read-Only/Disaster Recovery Instances
Database Proxy
Database Management Center (DMC)
Account Management
Parameter Configuration
Backup and Rollback
Data Migration
Network and Security
Monitoring and Alarms
Log Center
Read-Only Analysis Engine
Tag
Practical Tutorial
Using TencentDB for MySQL to Upgrade MySQL 5.7 to MySQL 8.0
Methods and Instructions for Upgrading from MySQL 5.6 to MySQL 5.7
Cybersecurity Classified Protection Practice for Database Audit of TencentDB for MySQL
Building All-Scenario High-Availability Architecture
Usage Specifications of TencentDB for MySQL
Configuring Automatic Application Reconnection
Impact of Modifying MySQL Source Instance Parameters
Limits on Automatic Conversion from MyISAM to InnoDB
Creating VPCs for TencentDB for MySQL
Enhancing Business Load Capacity with TencentDB for MySQL
Setting up 2-Region-3-DC Disaster Recovery Architecture
Improving TencentDB for MySQL Performance with Read/Write Separation
Migrating Data from InnoDB to RocksDB with DTS
Building LAMP Stack for Web Application
Building Drupal Website
Calling MySQL APIs in Python
The primary and secondary instances have inconsistent query data
White Paper
Performance White Paper
Security White Paper
Troubleshooting
Connections
Performance
Instance Data Sync Delay
Failure to Enable Case Insensitivity
Failure to Obtain slow_query_log_file via a Command
API Documentation
History
Introduction
API Category
Instance APIs
Making API Requests
Data Import APIs
Database Proxy APIs
Database Audit APIs
Security APIs
Task APIs
Backup APIs
Account APIs
Rollback APIs
Parameter APIs
Database APIs
Monitoring APIs
Log-related API
Data Types
Error Codes
FAQs
Related to Selection
Billing
Backup
Rollback
Connection and Login
Parameter Modifications
Instance Upgrade
Account Permissions
Performance and Memory
Ops
Data Migration
Features
Console Operations
Logs
Event
Database audit
Instance Switch Impact
API 2.0 to 3.0 Switch Guide
Service Agreement
Service Level Agreement
Terms of Service
Reference
Standards and Certifications
Contact Us
Glossary

Instance Purchase

PDF
Focus Mode
Font Size
Last updated: 2026-03-20 16:36:34
APIs
Description
CreateDBInstance
Creates a yearly/monthly subscribed TencentDB instance
CreateDBInstanceHour
Creates a pay-as-you-go TencentDB instance
DescribeDBInstances
Queries the list of instances
DescribeDBPrice
Queries the price of a TencentDB instance

CreateDBInstance for Creating a Yearly/Monthly Subscribed TencentDB Instance

#!/usr/bin/python
# -*- coding: utf-8 -*-

# Introduce the Cloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models


'''Purchase a source instance'''
def CreateDBInstancedemomaster():
try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretKey")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-beijing")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.CreateDBInstanceRequest()
req.Memory = 2000
req.Volume = 120
req.Period = 1
req.GoodsNum =1
req.Zone = "ap-beijing-1"
req.Port = 3306
#req.MasterInstanceId = "cdb-7ghaiocc"
req.InstanceRole = "master"
req.EngineVersion = "5.6"
req.Password = "CDB@Qcloud"
req.ProtectMode = 0
req.InstanceName = "tencentcdb"
req.SecurityGroup = ["sg-eq0hvlzp"]


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.CreateDBInstance(req)
# The output is a string return packet in JSON format
print(resp.to_json_string())


except TencentCloudSDKException as err:
msg = traceback.format_exc() # Method 1
print (msg)




'''Purchase a read-only instance'''
def CreateDBInstancedemoro():
try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretId")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-beijing")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.CreateDBInstanceRequest()
req.Memory = 2000
req.Volume = 200
req.Period = 1
req.GoodsNum =1
req.Zone = "ap-beijing-1"
req.Port = 3306
req.InstanceRole = "ro"
req.EngineVersion = "5.6"
req.Password = "CDB@Qcloud"
req.ProtectMode = 0
req.DeployMode =1
req.GoodsNum =2
req.SlaveZone = "ap-beijing-1"
req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
req.BackupZone = "0"
req.AutoRenewFlag =0
req.MasterInstanceId ="cdb-bgr97hu0"
req.RoGroup = {"RoGroupMode":"allinone","RoGroupName":"roweek"}
req.InstanceName = "tencentcdbRO"


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.CreateDBInstance(req)
# The output is a string return packet in JSON format
print(resp.to_json_string())


except TencentCloudSDKException as err:
msg = traceback.format_exc() # Method 1
print (msg)


'''Purchase a disaster recovery instance'''
def CreateDBInstancedemodr():
try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretKey")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-shanghai")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.CreateDBInstanceRequest()

req.Memory = 4000
req.Volume = 200
req.Period = 1
req.GoodsNum =1
#req.Zone = "ap-shanghai-2"
req.Port = 3306
req.InstanceRole = "dr"
#req.MasterInstanceId
req.EngineVersion = "5.6"
req.Password = "CDB@Qcloud"
req.ProtectMode = 0
req.DeployMode =0
#req.SlaveZone = "ap-guangzhou-3"
req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
req.BackupZone = "0"
req.AutoRenewFlag =0
#req.RoGroup = {"RoGroupMode":"alone","RoGroupName":"roweek"}
#req.RoGroup = {"RoGroupName":"roweek"}
#param = models.RoGroup()
#param.RoGroupMode = "alone"
#param.RoGroupName = "roweek"
#param.MinRoInGroup = 1
#req.RoGroup = [param]


#ro = [{"roGroupMode":"allinone"},{"RoGroupName":"ro_www"}]
#req.RoGroup = [ro]
req.MasterInstanceId ="cdb-bgr97hu0"
req.MasterRegion = "ap-beijing"
#roGroup = [RoGroupMode="allinone", RoGroupName="weekro",RoOfflineDelay=1,MinRoInGroup=5,MinRoInGroup=1]
#req.RoGroup = [roGroup]
req.InstanceName = "tencentcdbDR"


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.CreateDBInstance(req)
# The output is a string return packet in JSON format
print(resp.to_json_string())


except TencentCloudSDKException as err:
msg = traceback.format_exc() # Method 1
print (msg)

#CreateDBInstancedemodr()
#CreateDBInstancedemoro()
#CreateDBInstancedemomaster()


CreateDBInstanceHour for Creating a Pay-as-you-go TencentDB Instance

'''Hourly billing requires freezing an amount in your account, so If your account balance is 0, no purchase can be made'''
#!/usr/bin/python
# -*- coding: utf-8 -*-

# Introduce the Cloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretKey")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-beijing")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.CreateDBInstanceHourRequest()
req.EngineVersion = "5.6"
req.Zone = "ap-beijing-3"
req.ProjectId = 0
req.GoodsNum = 1
req.Memory = 1000
req.Volume = 50
req.InstanceRole = "master"
req.Port =3311
req.Password = "CDB@Qcloud"
req.ParamList = [{"name":"max_connections","value":"1000"},{"name":"lower_case_table_names","value":"1"}]
req.ProtectMode = 1
req.SlaveZone = "ap-beijing-3"
req.InstanceName = "oneday1"
req.AutoRenewFlag = 0


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.CreateDBInstanceHour(req)

# The output is a string return packet in JSON format
print(resp.to_json_string())
except TencentCloudSDKException as err:
msg = traceback.format_exc() # Method 1
print (msg)

DescribeDBInstances for Querying the List of Instances

#!/usr/bin/python
# -*- coding: utf-8 -*-

# Introduce the Cloud API entry module
import logging
import traceback
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretKey")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-shanghai")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.DescribeDBInstancesRequest()
req.EngineVersions = ["5.6"]
req.OrderBy = "instanceId"
req.InstanceIds = ["cdb-1j8lumf6"]


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.DescribeDBInstances(req)

# The output is a string return packet in JSON format
print(resp.to_json_string())
except TencentCloudSDKException as err:
msg = traceback.format_exc() # Method 1
print (msg)

DescribeDBPrice for Inquiring the Price of a TencentDB Instance

#!/usr/bin/python
# -*- coding: utf-8 -*-

# Introduce the Cloud API entry module
from tencentcloud.common import credential
from tencentcloud.common.exception.tencent_cloud_sdk_exception import TencentCloudSDKException
from tencentcloud.cdb.v20170320 import cdb_client, models

try:
# Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
cred = credential.Credential("secretId", "secretKey")

# Instantiate the client object to request the product (with TencentDB as an example)
client = cdb_client.CdbClient(cred, "ap-guangzhou")

# Instantiate a request object: req = models.ModifyInstanceParamRequest()
req = models.DescribeDBPriceRequest()
req.Zone = "ap-guangzhou-3"
req.GoodsNum = 1
req.Memory =2000
req.Volume =1000
req.PayType = 'PRE_PAID'
req.Period=1


# Call the API you want to access through the client object. You need to pass in the request object.
resp = client.DescribeDBPrice(req)

# The output is a string return packet in JSON format
print(resp.to_json_string())
except TencentCloudSDKException as err:
print(err)



Help and Support

Was this page helpful?

Help us improve! Rate your documentation experience in 5 mins.

Feedback