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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
Exadata
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
Exadata
Zero Data Loss Recovery Appliance (ZDLRA)
Oracle RAC
Oracle Data Guard
RMAN Backup and Recovery
Oracle Multitenant
High Availability
Home Page
https://arsalandehghanis.medium.com/
Oracle Community
https://community.oracle.com/mosc/profile/discussions/Arsalan%20Dehghanisariyarghan
Links
Latest Contributions
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DBRM-IORM Integration and AHF Balance on Exadata
Apr 30, 2026 - Blog post -
Exadata
Database Resource Manager
I/O Resource Management
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SQL Tuning Task
Apr 29, 2026 - Forum contributions -
SQL Tuning Sets
Database Performance Management
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Execution Order - Oracle
Apr 29, 2026 - Forum contributions -
Performance Management
Database 19c
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Performance of sql query - Oracle
Apr 27, 2026 - Forum contributions -
Database 19c
Database Performance Management
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How to remove component 'Oracle Programmer'. Currently I am using Precompiler's(PROC), Oracle Forms
Apr 24, 2026 - Forum contributions -
Oracle Precompilers
Database
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How to calculate the equivalent server
Apr 23, 2026 - Forum contributions -
Exadata
Database Performance Management
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Exadata X10M RoCE Invariants: Isolating Fabric Defects from Upper-Layer Noise
Apr 17, 2026 - Blog post -
Exadata
Zero Data Loss Recovery Appliance (ZDLRA)
Database Administrator (DBA)
Oracle RAC
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how to move the unified audit sysaux - custom tbs
Apr 16, 2026 - Forum contributions -
Fine-Grained Auditing
Database
Database Security
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expdp on solaris hangs on mount point in linux
Apr 16, 2026 - Forum contributions -
Oracle Data Pump
Oracle Database (EE)
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asm dg
Apr 14, 2026 - Forum contributions -
Automatic Storage Management (ASM)
Database
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Index Creation - 19c
Apr 14, 2026 - Forum contributions -
Performance Management
Structured Query Language (SQL)
Oracle Database (EE)
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how to restore pbd from backup full into another CDB
Apr 09, 2026 - Forum contributions -
Oracle Multitenant
Backup and Recovery
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Flashback a PDB in a data guard environment
Apr 09, 2026 - Forum contributions -
Backup and Recovery
Database 19c
Active Data Guard (ADG)
Oracle Multitenant
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Exadata Smart Scan: Architectural Limits and Bloom Filter Dynamics
Mar 14, 2026 - Blog post -
Exadata
Exadata Database Machine
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Oracle Zero Data Loss Recovery Appliance RA23-Z, Enterprise-Grade Protection, Now at a Reachable Scale
Mar 11, 2026 - Blog post -
Zero Data Loss Recovery Appliance (ZDLRA)
Cybersecurity
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