Oracle: Unterschied zwischen den Versionen

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Zeile 24: Zeile 24:
<source lang="sql">
<source lang="sql">
   create or replace directory dump_dir as '/home/oracle/dumps';
   create or replace directory dump_dir as '/home/oracle/dumps';
</source>
Einfach mal merken:
<source lang="sql">
delete from e_tci where rowid in (
WITH nummern AS
  (Select Row_Number() Over (Partition By E.System_Id Order By Hw_Part_No ) N,
    e.rowid as rid
  FROM E_Tci E
  ),
  Zuloeschen AS
  ( SELECT * FROM Nummern WHERE N > 7
  )
  Select Rid From Zuloeschen);
</source>
</source>

Version vom 2. Mai 2012, 14:31 Uhr

Vorlage:GoogleAnalytics

Export

Per Kommandozeile

  export ORACLE_SID=<DB_Instance>

  expdp system/<password> parfile=<paramter_file>

Dabei könnte die Parameterdatei folgendermaßen aussehen:

  DUMPFILE=<dumpfile>.dmp
  DIRECTORY=dump_directory
  LOGFILE=<logfile>.log
  JOB_NAME=<Jobname_beliebig>
  SCHEMAS=<existierendes Schema in der Datenbank>

Das dump_directory wurde vorher in der Datenbank beschrieben durch:

  create or replace directory dump_dir as '/home/oracle/dumps';


Einfach mal merken:

delete from e_tci where rowid in (
WITH nummern AS
  (Select Row_Number() Over (Partition By E.System_Id Order By Hw_Part_No ) N,
    e.rowid as rid
  FROM E_Tci E
  ),
  Zuloeschen AS
  ( SELECT * FROM Nummern WHERE N > 7
  )
  Select Rid From Zuloeschen);