Only the queries that are solely based on INFORMATION_SCHEMA are potentially usable in case of other DBMSs.
| Source Name | Number of Queries | Percentage | 
|---|---|---|
| Solely based on INFORMATION_SCHEMA | 212 | 21.0 | 
| Solely based on the system catalog or system information functions | 200 | 19.0 | 
| Use both INFORMATION_SCHEMA and system catalog/system information functions | 596 | 59.0 |