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Full Name
Xiaofei Huangfu
Full Name
ACE Associate
Top Level Details
Job Role
DBA
Company
Beijing Zhongyi Antu Technology Co., LTD
Country
China, People's Republic of
Top Expertise
Database
Focus Area
Database
About Xiaofei
Specialization Title Senior Oracle DBA | 18+ years Years of Experience Strong expertise in backup recovery solutions for Oracle Databases. JAVA development oriented,PL/SQL ,SQL Oracle Database implementation, operation maintenance experience. Specialized at database troubleshooting, tuning, RAC, DataGuard,backup recovery. I am an Oracle DBA.Love technology research and sharing.At the same time,I also conducted Oracle database training Special technology： OCMU Member OCMH Member ACOUG Core Member -Oracle Database -Troubleshooting -Performance Tuning -Scripting (bash, ksh, csh, perl) -Programming (SQL,PL/SQL, HTML, PHP, CSS, Java script) Strong expertise in backup recovery solutions for Oracle Databases. JAVA development oriented,PL/SQL ,SQL Oracle Database implementation, operation maintenance experience. Specialized at database troubleshooting, tuning, RAC, DataGuard,backup recovery. My Certifications: -Oracle Database 19c Administrator Certified Master -Oracle Database 12c Administrator Certified Master -Oracle Database 12c Administrator Certified Professional -Oracle Database 11g Administrator Certified Master -Oracle Database 11g Administrator Certified Professional -Oracle Database 10g Administrator Certified Professional -Oracle Database 10g Administrator Certified Associate -Oracle Certified Professional MySQL 8.0 Database Administrator -Oracle Certified Professional MySQL 5.7 Database Administrator -Oracle Certified Professional MySQL 5.6 Database Administrator -Oracle Cloud Infrastructure Classic 2018 Certified Associate Architect -Microsoft MTA: Database Fundamentals -ITIL V3 Foundation -Micsoft MTA -PMP My Home page：http://www.myhfxf.com My blog：https://www.modb.pro/u/3826
Expertises
Database
Database 19c
Real Applications Clusters (RAC)
Active Data Guard (ADG)
RMAN Backup and Recovery
SQL Performance
Home Page
http://www.myhfxf.com
Links
Latest Contributions
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After Oracle enabled supplemental logging the database reported ORA-600 [6749]
Sep 16, 2025 - Blog post -
Oracle Database (EE)
GoldenGate
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When using LogMiner a bad alert appears in the database log.
Sep 09, 2025 - Blog post -
Oracle Database (EE)
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Using MDBUtil to rebuild the 19c RAC MGMTDB Database
Aug 11, 2025 - Blog post -
Real Applications Clusters (RAC)
Database 19c
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The status of the listener resource in Oracle RAC is Not All Endpoints Registered
Aug 05, 2025 - Blog post -
Real Applications Clusters (RAC)
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After the synchronization tool was enabled, the Oracle database audit directory increased sharply.
Jul 16, 2025 - Blog post -
Oracle Database (EE)
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The SNAPSHOT setting still causes ORA-00245 error when backing up in the ASM disk group
Jun 30, 2025 - Blog post -
RMAN Backup and Recovery
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Expansion of the temp table space in the backup database in the ADG environment
Jun 30, 2025 - Blog post -
Active Data Guard (ADG)
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Create rman catalog in 19c
Jun 23, 2025 - Blog post -
RMAN Backup and Recovery
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UNDO Management in the 19c Multi-tenant Architecture - Local Undo
Jun 03, 2025 - Blog post -
Database 19c
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The explosive increase of 19c trace files has led to an excessively high usage rate of the u01 directory
Apr 27, 2025 - Blog post -
Database 19c
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19c patch verify_queryable_inventory returned ORA-20001
Apr 24, 2025 - Blog post -
Oracle Database (EE)
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In the Oracle database, the sqlplus command times 0509*
Apr 06, 2025 - Blog post -
SQLPlus
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After the operating system of the database server is upgraded, the Oracle 19c crs fails to start
Mar 31, 2025 - Blog post -
Oracle RAC
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The synchronization tool causes an increase in Oracle ASM instance audit logs
Mar 17, 2025 - Blog post -
Automatic Storage Management (ASM)
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Obtain the current database version in Oracle 19c
Feb 24, 2025 - Blog post -
Oracle Database (EE)
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