Only the queries that are solely based on INFORMATION_SCHEMA are potentially usable in case of other DBMSs
| Source name | Number of queries | Percentage from the total number |
|---|---|---|
| Solely based on INFORMATION_SCHEMA | 202 | 21.0 |
| Solely based on the system catalog or system information functions | 188 | 19.0 |
| Use both INFORMATION_SCHEMA and system catalog/system information functions | 571 | 59.0 |