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The Ability to Restore Railway Traffic on the Route of Jelenia Góra–Karpacz/Kowary

Haładyn Szymon

Logistics and Transport

2020

Vol. 45-46, No. 1-2

83--93

This article discusses the reason for the suspension of railway traffic on the Jelenia Góra - Karpacz route. The possibility of reactivating the transport on this route was indicated. Based on the equation of the train movement, calculations of the theoretical travel were carried out, as a result of which the technical and total travel time were determined. A rational interval of train runs was determined and a timetable was proposed, taking into account relations going beyond Jelenia Góra. The article justifies the need to introduce supplementary connection operated by electric buses. The concept of reactivating traffic in this area should be supplemented with the construction of a P + R car park. The possibility of further development of the transport system in the discussed area was also proposed.

Recovery Manager – jak dobrze i szybko odtworzyć bazę danych w SZBD Oracle

Małysiak-Mrozek B., Mrozek D.

Studia Informatica

2011

Vol. 32, nr 2B

227-247

W artykule przedstawiono cechy narzędzia RMAN, służącego do wykonywania procesów archiwizacji i odtwarzania bazy danych, dostarczanego wraz z instalacją systemu Oracle. Omówiono różne sposoby wykonywania kopii zapasowych oraz zaproponowano odpowiednie strategie odzyskiwania i odtwarzania bazy danych. Każda strategia została zilustrowana odpowiednim przykładem zastosowania.

In this article we present the features of the RMAN tool. This tool is used to backup and recover a database and belongs to the installation packet of DBMS Oracle. We describe different ways of creating database backups and we propose appropriate strategies of database restore and recovery. Each solution was illustrated by the adequate example of usage.