IT Tutorial IT Tutorial | Oracle DBA | SQL Server, Goldengate, Exadata, Big Data, Data ScienceTutorial
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Oracle SQL Tutorials For Beginners – Learn Oracle SQL from scratch with Oracle SQL Online Course
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ORA-27106: system pages not available to allocate memory
I got “ORA-27106: system pages not available to allocate memory” error in Oracle databas…
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How to connect to Oracle from Your Windows Host to a VirtualBox Guest
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DATA WAREHOUSE – ODS (OPERATIONAL DATA STORE)
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Performance Tuning and SQL Tuning Tutorial in the Oracle Database
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September, 2021
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Mapping ile Tablo Aktarılması 2 – ODI Dersleri 6
Merhaba arkadaşlar, bu gün ki makalemizde mapping işlemlerine devam edeceğiz. Okumadıysanız öncelikle mappingin logical tanımlamalarını gerçekleştirdiğimiz makalemi okumanızı tavsiye ederim. Makaleye buradan erişebilirsiniz. Bu gün ki makalemizde Pyhsical sekmesinde …
Read More » - 8 September
DBA_Hist_Active_Sess_History | Active Session History (ASH) in Oracle
I will explain DBA_Hist_Active_Sess_History | Active Session History (ASH) in Oracle in this post.
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DATA WAREHOUSE – OLTP/OLAP
OLTP (On-line Transaction Processing) By the mid-1970s, online transaction processing (OLTP) made even faster access to data possible, opening whole new vistas for business and processing. Shortly after the advent …
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August, 2021
- 30 August
Random value for DATETIME column
Today, I am going to describe how to generate random value for DATETIME field within a given range. This is very useful specially for generating test data. For this, we …
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Mapping 1 – ODI Dersleri 5
Merhaba arkadaşlar, bu gün ODI de MSSQL database inden Oracle database’ine ODI mapping ile tablo aktarılmasını göreceğiz. Mapping’in yapıla bilinmesi için öncelikle model tanımlanmasını gerekmektedir. Bu yüzden okumadıysanız öncelikle …
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