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 | 221 | 21.0 |
| Solely based on the system catalog or system information functions | 206 | 19.0 |
| Use both INFORMATION_SCHEMA and system catalog/system information functions | 625 | 59.0 |