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Full Name
Arsalan Dehghanisariyarghan
Full Name
ACE Pro
Top Level Details
Job Role
Senior DBA
Company
Independent Consultant
Country
Turkey
Top Expertise
Database Performance Management
Focus Area
Database
About Arsalan
A highly accomplished Senior Oracle Database Administrator with 23 years of experience in the strategic optimization and management of complex, business-critical Oracle Database ecosystems, primarily on UNIX-based platforms, offers expertise that began with Oracle version 6 on SCO UNIX and progressed from an Oracle Developer role to a Managing DBA position. Core competencies include inclusive database systems direction, comprehensive database administration across the entire lifecycle (from logical and physical design to performance tuning and maintenance), directing complex database upgrades and migrations (including phased transitions from Oracle 11g to 12c, 18c, and 19c with near-zero downtime), and ensuring robustness and availability through high-availability architecture engineered with Oracle Data Guard and RAC. Proficient in performance optimization, automation via custom UNIX shell scripts, and providing expert consultation to development teams for SQL optimization, the administrator also leverages Oracle Enterprise Manager (OEM) for real-time monitoring, diagnostics, and performance analysis. Knowledge dissemination is demonstrated through the authorship and delivery of intensive technical training courses, complemented by professional affiliations, certifications, and recognition as a six-time Oracle Support Most Valued Contributor. - Professional Affiliations and Certifications: . Member of the Independent Oracle Users Group (IOUG). . Professional Member of the Oracle Quest Community. . ACM Senior Member. . Oracle My Oracle Support Community (MOSC) - Six-time recipient of the Oracle Support Most Valued Contributor award. . Oracle Certified Professional (OCP). . Oracle Real Application Clusters (RAC) Certified Expert (OCE). . Oracle Performance Tuning Certified Expert (OCE).
Expertises
Database Performance Management
Exadata
Oracle RAC
Oracle Data Guard
High Availability
Zero Data Loss Recovery Appliance (ZDLRA)
Backup and Recovery
Home Page
http://www.arsalandehghani.com
Oracle Community
https://community.oracle.com/mosc/profile/discussions/Arsalan%20Dehghanisariyarghan
Links
Latest Contributions
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Oracle ZDLRA: Incident Response and “Break-Glass” Procedures
Dec 12, 2025 - Blog post -
Zero Data Loss Recovery Appliance (ZDLRA)
Backup and Recovery
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Configuring RMAN Backup and Rubrik
Dec 10, 2025 - Forum contributions -
RMAN Backup and Recovery
Database
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Exadata Storage Redundancy and Cell-to-Cell Rebalance
Dec 07, 2025 - Blog post -
Exadata
Database
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j'ai une erreur :ORA-27120 — Instance termination got error 27120 from SGA destruction sous linux
Dec 04, 2025 - Forum contributions -
Database
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Secure Boot Kernel Module Signing Key Expiration: Resolving Oracle 19.29 GIRU AFD Installation Failures
Nov 29, 2025 - Blog post -
Database
Database 19c
Automatic Storage Management (ASM)
Oracle Linux
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A hidden detail in our ZDLRA 23.1 deployment
Nov 23, 2025 - Blog post -
Zero Data Loss Recovery Appliance (ZDLRA)
Cybersecurity
Backup and Recovery
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Oracle Exadata: DDR5 Memory and Energy Consumption
Nov 23, 2025 - Blog post -
Exadata
Database
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Make Exadata and ZDLRA play nicely, every day #JoelKallmanDay
Oct 15, 2025 - Blog post -
Zero Data Loss Recovery Appliance (ZDLRA)
Exadata
Database
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Can we send RMAN backups from a SPARC-based Oracle database to a Zero Data Loss Recovery Appliance (ZDLRA) while simultaneously using Real-Time Redo transport to that ZDLRA?
Sep 09, 2025 - Blog post -
Zero Data Loss Recovery Appliance (ZDLRA)
Cybersecurity
Backup and Recovery
SPARC Servers
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What is stable version of 19c release
Sep 01, 2025 - Forum contributions -
Database 19c
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Using RMAN backup to duplicate
Aug 29, 2025 - Forum contributions -
Recovery Manager (RMAN)
Database
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unable to close and drop pdb ORA-01122 ORA-01110 ORA-01204
Aug 27, 2025 - Forum contributions -
Oracle Multitenant
Database
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New Exadata Cluster Model E5-2L
Aug 25, 2025 - Forum contributions -
Exadata
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Automatic Materialized Views (AMV) in Oracle Database 23ai
Aug 24, 2025 - Blog post -
Database 23ai
Materialized View Query Rewrite
Oracle Database (EE)
Materialized Views
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Anatomy of a Silent Write
Aug 15, 2025 - Blog post -
Oracle Database (EE)
SQL Performance
Database Performance Management
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