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How to convert Excel file to csv

#excel to #csv in #powershell (New-Object -ComObject Excel.Application).Workbooks.Open("c:x.xlsx").SaveAs("c:x.csv",6)
— laurentsch (@laurentsch) February 13, 2015

One-liner to convert Excel to CSV (or to and from any other…

anonymous cypher suites for SSL (and a 12c pitfall)

If you configure your listener for encryption only, you do not really need authentication.
It works pretty fine until 11.2.0.2, I wrote multiple posts on ssl.
You add SSL_CLIENT_AUTHENTICATION=FALSE to your server sqlnet.ora and listener.ora and spec…