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- 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
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Help Center/
Database and Application Migration UGO/
User Guide/
Database Evaluation/
Performing an Incremental Evaluation
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Performing an Incremental Evaluation
NOTE:
- This function is available only for the source databases Oracle and MySQL.
- If the source database is MySQL, the incremental USER, GRANT, and ROLE objects cannot be collected.
Prerequisites
- You have required permissions of a project.
- An evaluation project has been created but the target database has not been confirmed.
- Tables, functions and other data are added to the source database in a project. Deleted or modified data cannot be identified.
- Before performing incremental evaluation, you must perform differential analysis.
- Frozen accounts cannot perform an incremental evaluation.
Procedure
- Log in to the UGO console.
- In the navigation pane, choose Schema Migration > DB Evaluation.
- In the evaluation project task list, select the project to be analyzed and choose More > Run Differential Analysis in the Operation column.
- After the differentiation analysis is complete, choose More > Perform Incremental Evaluation in the Operation column
- After the incremental evaluation is complete, view the updated project information. For details about the project, see Viewing the Database Evaluation Result.
Parent topic: Database Evaluation
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