Oracle: Unterschied zwischen den Versionen
Aus Alexander's Wiki
Admin (Diskussion | Beiträge) |
Admin (Diskussion | Beiträge) |
||
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
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);