June 2002
Beginner
759 pages
80h 42m
English
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DBI Environment Variables
The following environment variables are defined for use with DBI:
- DBI_DSN
The data source value to use if none is specified with the
connectmethod.- DBI_DRIVER
The driver to use if none is specified with the
connectmethod.- DBI_USER
The username to use if none is specified with the
connectmethod.- DBI_PASS
The password to use if none is specified with the
connectmethod. (For security purposes, this environment variable should not be set except for testing.)- DBI_TRACE
Enables tracing behavior as with the
tracemethod. DBI_TRACE can be set to any of the following values:0Disables the trace
1Traces the execution of the DBI
2Outputs detailed call trace information including parameters and return values
- filename
Appends trace information to the specified file; the trace level is set to
2.
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