Oracle Blog Posts

Common TNS Errors and How to Troubleshoot

In this blog, I will cover some typical TNS errors that we run across as an Oracle DBA and how to go about troubleshooting the errors. First of all, when you encounter a TNS error you need to understand that it relates to the network communication between a client...

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ORA-00933: SQL command not properly ended

Prior to diving into this error, it's important we discuss how Oracle processes queries logically and in what order. Oracle has a couple of rules as to how it executes each query in a specific processing order. Oracle processes a query as below: Gathers rows based on...

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