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#diagnostics

2 posts tagged diagnostics.

Oracle ASH cheat sheet: Active Session History queries for top SQL, waits, blockers, PGA and TEMPDatabases · 9 Nov 2026
Sev1: Oracle database hung — nobody can log in. Prelim connection, hanganalyze and a safe way outDatabases · 31 Oct 2026

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© 2026 HubDatAI by Deepak Bhardwaj. A personal, non-commercial knowledge-sharing blog for IT support professionals. Views are my own and not those of any employer. Commands are provided as-is; test them outside production first.