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Max table and column length in characters
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Esempio script dos per eseguire export di schema
Unix...
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How remove a file named -r
PLSQL...
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Pragma Exception
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background_dump_dest
Oracle...
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Come individuare a quale tablespace appartiene una tabella?
Shell scripting...
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Compact if construct
A User Agent, like a web browser, uses HTTP to request a HTML document
Php Funzione mail()
In programming the danger of exploring the small details of coding is that you get obsessed with every line of code you write, thereby greatly reducing productivity.
In general, is not worth obsessing over code. On the other hand you should code with deliberation and intent. Steven Feurstein Oracle Magazine July /August 2004 A User Agent, like a web browser, uses HTTP to request a HTML document
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Oracle
Home >Oracle > Verificare e interrrompere processi di trace
Scenario: acquisita gestione di un RAC 10G R2, che generavano continuamente file di trace (.trc) A livello di istanze non erano attivati trace nella directory udump SQL> show parameter trace; NAME TYPE VALUE ------------------------------------ ----------- ---------------- log_archive_trace integer 0 sql_trace boolean FALSE trace_enabled boolean FALSE tracefile_identifier string Nelle viste GV$SESSION, V$SESSION , le colonne di referimento a tracing (in particolare SQL_TRACE) risultavano disabilitate. La soluzione č stata trovata grazie alla vista DBA_ENABLED_TRACES che riferisce alla tabella WRI$_TRACING_ENABLED.
SQL>select * from DBA_ENABLED_TRACES;
Risultavano attivato, su ogni istanza, dbms monitor per sessioni che utilizzano serivizio CRM_TAF e modulo JDBC Thin Client Disabilitando dbms_monitor con i relativi parametri le istanze hanno terminato la produzione di trace.
SQL>exec dbms_monitor.serv_mod_act_trace_disable('CRM_TAF','JDBC Thin Client');
Per riattivare il tracciamento su ogni istanza:
SQL>exec dbms_monitor.serv_mod_act_trace_enable('CRM_TAF','JDBC Thin Client');
Dott. Marco Magnani Phd. Computer Sciences DBA ORACLE
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Which process register the listener services ?
Anger is creative, depression is useless.
Dyson, Freeman J. Anger is creative, depression is useless.
Dyson, Freeman J.
Oracle...
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Conversioni implicita tipi
Oracle...
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Designing an efficient Schema ...
Oracle...
Definizioni:
Schema and user
Oracle...
Definizioni:
Schema
Shell scripting...
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Executing arithmetic operation in shell program
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Nicoleta e Marco Magnani tutorial, examples, courses, esempi, corsi, esercizi, appunti vari Dottoressa Nicoleta Dragu Formatrice Docente Insegnante Mediatrice Culturale Dott. Marco Magnani Universita La Sapienza Roma Master Computer Science Hunter College New York , Data Base Administrator DBA oracle System architect |