What SQL and sessions are running?

GUIs like TOAD and Enterprise Manager can show this better, but they’re not always to hand. Every session active now or within the last minute is shown. set pages 9999 lines 132 col username form a20 col osuser form a20 col program form a50 col minutes form 999 alter session set nls_date_format = ‘Dy DD-Mon-YYYY […]

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April 20, 2007

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Data block corruption cleared with alter system flush buffer_cache

So I had: ORA-08103: object no longer exists being reported on SQL affecting one application table. But that table existed ok in dba_tables, could be described ok, and selects restricted to its indexed columns returned data ok. Suspicion was some sort of data block corruption. Rman backup logs had not reported any corrpution, but dbverify […]

Read More Data block corruption cleared with alter system flush buffer_cache
April 19, 2007

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Free X windows emulator for running Oracle Installer

It’s often a pain getting X windows GUIs like the Oracle Installer and DBCA to run on Micrsoft Windows PC clients. Emulators like Reflection-X, KEA-Term, and Exceed work ok, but they cost money to licence and require source media and local admin rights to install. Those things can take an age to organise in large […]

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April 19, 2007

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