life is too short for a diary



Posts Tagged: database

Optimizing SQL Queries - Understanding and Refreshing Materialized Views

When to use a materialized view? And how does it perform against a normal view. Benchmarking using docker...

Continue reading → sql database python docker



Connecting to Oracle database form Scala using JDBC for large data

I was looking to write a scala script to fetch large data from Oracle database. I was earlier using the Alteryx software to fetch data (around 1 million rows) from oracle which took around 7 minutes. Licensed softwares like Alteryx or Informatica, etc are great, but I was looking for a free solution...

Continue reading → jdbc scala oracle database



Connect to an Oracle Database using kerberos with python

Jobs failed! Screamed an automatic failure alert in email inbox. Existing python scripts were failing in the server which fetched data from Oracle database. I wondered if the credentials had changed...

Continue reading → kerberos projects python docker oracle database