Help Center> Database and Application Migration UGO> FAQs> Evaluation Project> What Is the Relationship Between Migration Risk (Top 10 risk SQL) and Risky SQL Summary?
Updated on 2023-07-25 GMT+08:00

What Is the Relationship Between Migration Risk (Top 10 risk SQL) and Risky SQL Summary?

There is no relationship between migration risk and risky SQL summary.

Migration Risks (Top 10 risk SQL): describes the 10 slow SQL statements using up the most CPU and memory resources on the source database over the past 7 days.

Risky SQL Summary: describes migration risks from the perspective of the target database. You need to pay attention to some functions that are not directly supported by the target database.

Risks are classified into functional and performance risks.

  • Functional risks: risks that affect the database functions. For example, data types (such as value ranges) that are not directly supported by the target database can be summarized in terms of data_type_mismatch, table_def_mismatch and sequence_limitation.
  • Performance risks: risks that affect the database performance. For example, GaussDB does not support partition intervals, which can be summarized in terms of distribution and partitioning.

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