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Month: October 2018

SQLNet Tracing’s Blind Spot

October 8, 2018Nenad Noveljic 2 Comments

SQLNet client trace is missing. Continue Reading →

Oracle

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Performance Improvement on Dictionary Views in Oracle 21c
Bind Variable Length in PL/SQL, C, Java and Python
ORA-07445 [__intel_avx_rep_memcpy()] During a Rowset Operation
OCI Demo Linking Error
A Data Model Fix for Suboptimal Semi-Join and Anti-Join Cardinality Estimates
Undocumented Implicit Partition Statistics Gathering
Changing OSWatcher User
Troubleshooting TFA Start
Kernel Memory Leak due to ACFS Snapshots
slabinfo
Troubleshooting ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
WINDOW SORT PUSHED RANK Performance Regression in Oracle 21c

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Ganesh CNS on Tracking Arguments with gdb
mohammad abdelqader on Performance Problem with Incremental Statistics Calculation
Nannette Leak on Fast Retrieval of DYNAMIC_SAMPLING_RESULT Information
Deadlock Detection | Oracle Scratchpad on Deadlock Caused by Row Cache and Library Cache Locks
vibha shrivastava on Undocumented Implicit Partition Statistics Gathering
Peter Prostredny on TNS-12599: TNS:cryptographic checksum mismatch
Wrh$: onlinestreet.de - iHunde on WRH$_SYSMETRIC_HISTORY_INDEX UNUSABLE After 18c Upgrade
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Nenad Noveljic on WINDOW SORT PUSHED RANK Performance Regression in Oracle 21c
Nenad Noveljic on Do You Know Your Object-Relational Mapper’s Overhead?
VuLe on Do You Know Your Object-Relational Mapper’s Overhead?
Ian Williams on WINDOW SORT PUSHED RANK Performance Regression in Oracle 21c

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