Data sources supported by data profiling
Profiling a large amount of data can degrade database performance. To avoid performance degradation, extract a reasonable amount of data for profiling. For more information about reasonable profiling ranges, see Profiling range.
Data source type | Detection partition | First N records | Random sampling of N records | Percentage sampling of N records |
MySQL | Not supported | Supported | Supported (poor performance) | Supported |
Oracle | Not supported | Support | Supported (poor performance) | Supported (poor performance at high percentages) |
PostgreSQL | Not supported | Supported | Supported (poor performance) | Supported |
Microsoft SQL Server | Not supported | Supported | Supported (poor performance) | Supported |
Compute engines supported by data profiling
Compute engine | Data profiling |
MaxCompute | Supported |
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