- What's New
- Service Overview
- Getting Started
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User Guide
- Database Evaluation
- Object Migration
- SQL Statement Conversion
- Conversion Configuration
- SQL Audit
- Data Source Management
- Permissions Management
- Interconnection with CTS
- Change History
- Best Practices
- Security White Paper
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API Reference
- Before You Start
- API Types
- Calling APIs
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API
- API Version Management
- Quota Management
- SQL Statement Conversion
- Evaluation Project
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Migration Project
- Creating a Migration Project
- Querying Migration Projects
- Querying the Status of a Migration Project
- Checking Target Database Permissions
- Querying Permission Check Results
- Querying Migration Project Details
- Submitting Syntax Conversion of Objects
- Querying Syntax Conversion Progress of Objects
- Submitting Verification
- Querying the Verification Progress
- Downloading a Migration Error Report
- Deleting a Migration Project
- Permissions Policies and Supported Actions
- Appendixes
- SDK Reference
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FAQs
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Product Consulting
- Instance Freezing, Release, and Deletion
- Which Schemas in Source Databases Are Ignored for Migration?
- What Are the Differences Between Syntax Conversion and Migration & Verification in a Migration Project?
- What Are the Database Schema Changes After an Oracle Database Is Migrated to the Target Database?
- Why Cannot I Use Some Functions?
- What Is the Function of the dsc_ora_ext Schema Generated After Migration to the Target Database?
- What Should I Do If Data Collection Fails or Is Slow Due to the Small Values of Certain Oracle SGA Parameters?
- What Should I Do If Data Collection Fails and a Message SNAPSHOT TOO OLD Is Displayed?
- What Is the Mapping Between the GaussDB Versions Displayed on the UGO Console and Self-built GaussDB Versions?
- What Are VPCEP Resource Quotas?
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Database Connections
- What Should I Do If I Cannot Connect to the Source Oracle Database During Database Evaluation Project Creation?
- What Should I Do If I Failed To Connect to the Source Database as User sys?
- How Do I Create GaussDB Databases Compatible with Source Databases?
- What Should I Do If My Database Fails to be Connected?
- SQL Server Connection Test Failed (Error Code=0, SQLState=08S01)
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Evaluation Project
- How Do I Select a Connection Method?
- How Does UGO Collect Data from Source Databases?
- How Does UGO Check Database Permissions?
- What Are the Possible Causes for an Object Collection Failure?
- In GaussDB, How Do I Configure a Search Path If A Statement Without Schema Name Fails To Be Executed?
- What Is Native Compatibility, Conversion Compatibility, Partial Compatibility, or Incompatibility?
- What Is the Relationship Between Migration Risk (Top 10 risk SQL) and Risky SQL Summary?
- What Are Reconstruction Statistics and How Are Reconstruction Points Measured?
- What Should I Do If An Object Collection Error (Closed Connection) Is Displayed During Evaluation Project Creation?
- What Should I Do If "ErrorCode=4036" Is Displayed During Evaluation Project Creation?
- What Should I Do If "ErrorCode=17002" Is Displayed During Evaluation Project Creation?
- What Do I Do If the Assessment Task Is Connected but the Pre-check Fails?
- What Is the Impact of the Collection on the Source Database?
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Migration Project
- Why Is There No Available Evaluation Project During Migration Project Creation?
- When Should I Use the Conversion Config Function?
- What Should I Do If SQL Modifications Failed to Be Saved During Object Correction?
- How Do I Solve ERROR: syntax error at or near "@"?
- What Are the Possible Causes for an Object Verification Failure?
- What Are the Impacts of GUC Parameter Settings of GaussDB on Migration?
- Why Is the Number of Indexes Different After Oracle Data is Migrated to GaussDB?
- What Should I Do If There Are ctid, xc_node_id, and tableoid Columns in GaussDB?
- Why Is Data Inconsistent When SELECT Statements Without ORDER BY Are Used for Query in Distributed GaussDB?
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Product Consulting
- Videos
- General Reference
Show all
Database and Application Migration UGO
Database and Application Migration UGO, referred to as UGO, is a professional cloud service focused on heterogeneous database schema migration. With the functions of database evaluation, object migration, and automatic syntax conversion, UGO can help you improve the syntax conversion rate and minimize the costs of database migration.
Progressive Knowledge
UGO knowledge for users from beginner level to expert level
01
![](https://support.huaweicloud.com/intl/en-us/ugo/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Understand
UGO is a professional cloud service focused on heterogeneous database schema migration.
Service Overview
03
![](https://support.huaweicloud.com/intl/en-us/ugo/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Be a Power User
You can use functions provided by UGO to migrate your databases.
Database Evaluation
Object Migration
SQL Audit
02
![](https://support.huaweicloud.com/intl/en-us/ugo/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
Start
You can get started quickly with UGO.
Getting Started
04
![](https://support.huaweicloud.com/intl/en-us/ugo/files/6408a53924b4fe2ce61efbe2e6090785.jpg)
APIs
The UGO API reference describes how to use an API to create an evaluation or migration project, confirm your target database, or convert syntax during the database migration.
API Reference
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Creating an Evaluation Project
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Querying Details About an Evaluation Project
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Confirming the Target Database Type
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Deleting an Evaluation Project
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Creating a Migration Project
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Checking Target Database Permissions
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Querying the Status of a Migration Project
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Querying Migration Project Details
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Downloading a Migration Error Report
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Deleting a Migration Project
FAQs
Learn more about common issues and solutions
FAQs
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Which Schemas in Oracle Databases Are Ignored for Migration?
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What Are the Database Schema Changes After an Oracle Database Is Migrated to the Target Database?
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What Should I Do If Data Collection Fails or Is Slow Due to the Small Values of Certain Oracle SGA Parameters?
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What Should I Do If Data Collection Fails and a Message SNAPSHOT TOO OLD Is Displayed?
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What Should I Do If I Cannot Connect to the Source Oracle Database During Database Evaluation Project Creation?
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What Check Items Are Included In a Pre-check? What Should I Do If the Pre-check Fails?
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What Are the Possible Causes for an Object Collection Failure?
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What Is Native Supported, UGO Supported, Supported with Risk, or Unsupported Objects?
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What Is the Relationship Between Migration Risk (Top 10 risk SQL) and Risky SQL Summary?
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What Are the Possible Causes for an Object Verification Failure?