DBI Environment Variables
DBI consults several environment variables, listed in Table G.3. All of them except DBI_TRACE are used by the connect() method. DBI_TRACE is used by the trace() method.
| Name | Meaning |
|---|---|
| DBI_DRIVER | DBD-level driver name ("mysql" for MySQL) |
| DBI_DSN | Data source name |
| DBI_PASS | Password |
| DBI_TRACE | Trace level and/or trace output file |
| DBI_USER | Username |
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