Project Description

By updating all Oracle database versions, Pegasus adapted to the Oracle Support calendar and migrated to a better database system in every respect with the new features of 19C.

Location: Istanbul | Employee Numbers:5.000+ | Sector: Airline


  • Pegasus Oracle database systems being old and the update requirement.
  • According to the support schedule published by Oracle, there will be no support for 11G by the end of 2020.
  • The requirement to upgrade to an up-to-date version according to the support schedule.


With GTech System and Database Team Database Management Services

  • The prerequisites and work steps were planned for the transition of all Oracle database systems within Pegasus to 19C.
  • 19C transitions were carried out smoothly with detailed work plans covering test systems, local and remote standby (dataguard) databases and prepared separately for each system.


  • All work, including the operating system upgrades, which is one of the biggest prerequisites for the 19C database version, was carried out systematically and in a planned manner.
  • Transition to 19C database version in accordance with the Oracle support calendar and with the longest-term support.
  • With many innovations brought by 19C, the technical infrastructure was made suitable for the projects needed in the corporation.

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