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sqlnet.ora

The sqlnet.ora file is the Net Services profile configuration file.
This file can be stored on client computers or the server. The file is searched in the following order:

Enable client tracing at support level:

TRACE_LEVEL_CLIENT      = 16
TRACE_FILE_CLIENT       = CLIENT
TRACE_DIRECTORY_CLIENT  = C:\Users\rene\oratrace
TRACE_TIMESTAMP_CLIENT  = ON
TRACE_UNIQUE_CLIENT     = ON
DIAG_ADR_ENABLED        = OFF
TRACE_FILEAGE_CLIENT    = 1440
TRACE_LEVEL_CLIENT can be set to
TRACE_FILE_CLIENT specifies the names of the trace files.
TRACE_TIMESTAMP_CLIENT = ON adds a timestamp in the terrible format dd-mmm-yyyy hh:mm:ss:mil to the *.trc files.
TRACE_FILEAGE_CLIENT specifies the maximum age of trace files in minutes.

TODO

TRACE_LEVEL_CLIENT = ADMIN
SQLNET.EXPIRE_TIME specifies how often, in minutes, to verify that client and server connections are alive (see Dead Connection Detection).
It might be necessary to combine setting sqlnet.expire_time with specifying enable=broken in the TNS connect string.
SQLNET.COMPRESSION, SQLNET.COMPRESSION_ACCELERATION, SQLNET.COMPRESSION_LEVELS

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Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:51 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(51): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(66): id_of(Object(PDO), 'uri', '/notes/developm...') #2 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1790250353, '216.73.216.208', 'Mozilla/5.0 App...', NULL) #3 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/Net/sqlnet_ora(76): insert_webrequest() #4 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 51