Anuragkumarjoy

Client → TNS Resolution → Network → Listener → Database Service → Database Instance
Common Oracle TNS Listener ErrorsError CodeError MessageCauseSolutionORA-12154TNS: Could not resolve the connect identifier specifiedWrong service alias, missing tnsnames.ora, bad TNS_ADMINVerify tnsnames.ora, service name, and run tnspingORA-12170TNS:...

What is the RAG Layer?

RAG stands for Retrieval-Augmented Generation.

In simple terms:

RAG allows a Gen-AI model to answer using your enterprise data instead of relying only on its pre-trained knowledge.

A normal LLM can answer from what it learned during training, but it may not know your company’s latest SOPs, database standard...

Gen-AI Realtime use case 1. Common Gen-AI Architecture for Real-Time Use Cases

Most enterprise Gen-AI use cases follow this pattern:

User / system event

Customer query, doctor note, fraud alert, order status request, IT ticket, audit query.

Orchestration layer

Routes the request to the right tool, model, API, database, or workflo...

To verify whether TIMED_STATISTICS changed between the snapshots used in your AWR Diff report, you can check the historical parameter values stored in AWR.

Method 1: Check Parameter History from AWR

SELECT s.snap_id,
s.instance_number,
TO_CHAR(s.begin_interval_time,'DD-MON-YYYY HH24:MI...

 You can generate an AWR Difference Report (AWR Diff Report) using Oracle's standard script awrddrpt.sql available under the Oracle Home directory.

1. Connect as SYSDBA

sqlplus / as sysdba

or

sqlplus sys/...