Haidar Ali, Oracle DBA

Haidar Ali

Oracle DBA

PRO2PROS Technologies Pvt Ltd.

Location
India
Education
Bachelor's degree, Computer Science
Experience
11 years, 9 Months

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Work Experience

Total years of experience :11 years, 9 Months

Oracle DBA at PRO2PROS Technologies Pvt Ltd.
  • India
  • My current job since September 2012

Under this assignment, I have gained experience in database architecture, installation & configuration, up-gradation and maintenance of oracle database of version 10g & 11g, managing Tablespaces and Datafiles, handling of Backup and Recovery (Cold, Hot, Import/Export, Data Pump and RMAN), Installation and configuration of Oracle Grid Infrastructure for ASM (11g), upgrading Oracle Database version 10.2.0.1 to 10.2.0.4 & 10g to 11g, etc.

My work profile includes Database Cloning Offline, Online and RMAN cloning, creating a Physical Standby, Logical, Snapshort Database from the Primary Database, monitoring the Physical Standby, Logical, Snapshort Database, managing RAC database architecture, Clusterware installation, configuration and upgradation of version 10g/11g, handling Clusterware and RAC database Utilities like: Crsctl, Crs_Stat, Ocrcheck, Ocrconfig, Cluvfy, Srvctl, Etc.
Project # 1
Client Name : Steak n Shake, USA
Environment : Oracle enterprise Linux/Linux Oracle 11g
Responsibilities:
• Resolve user day-to-day issues and database alerts.
• Work on user request related to Role, Privileges and Profile as per Business Requirement.
• Monitoring Database growth, Tablespace growth and doing basic database activities like resizing tablespace by adding datafiles or adding space to an existing datafiles.
• Creating tablespace and add datafile to the tablespaces, if required and assigned quotas to the users.
• Working in re-organization of tablespace to fix space issues for future availability of storage.
• Monitoring database and take health checks like Listener is running or not or session info, database id, processes status etc.
• Identified the locked object, killing those sessions in DB level & processes in OS level for the locked session in database.
• Taking backup of users on developers request using Data Pumps.
• Used SQL*LOADER to load data from flat file to database tables.
• Generating Execution plan using TKPROF.
• Generating AWR and ADDM report for database performance health checkups.


Project # 2
Client : Nortel Telecommunications, Canada
Role : Oracle DBA
Environment : Oracle Enterprise Linux5, Oracle 11g
Responsibilities:
• Interacting with client and team to resolve queries
• Resolving user’s day-to-day issues.
• Created and managed tablespaces, datafiles, resizing and adding new datafiles etc
• Created new user accounts, profiles, roles and assigned them to different users
• Monitoring alert log on time base for critical errors, and space utilization issues.
• Taking the backup of the database regularly using Logical, Cold and Hot Backups
• Monitoring and performing daily incremental backups, weekly backups using RMAN
• Managing undo tablespaces, temporary tablespaces, and redo log groups
• Managing tablespaces, users including storage and security issues
• Monitoring Alert logs for any errors, problems or processes running
• Tablespace reorganization and management.
• Maintenance and monitoring of Database and Listener.
• Performed Database Cloning from Production to Test environment.

Project # 3
Client : China trust Bank (U.S.A)
Role : DBA
Environment : Oracle 10g with Linux
Responsibilities:
• Created and managed tablespaces, datafiles, resizing and adding new datafiles etc
• Created new user accounts, profiles, roles and assigned them to different users
• Performed backup procedures using RMAN.
• Participated in the establishment of development and installation standards.
• Created and modified physical database objects.
• Exported and Imported of databases using Oracle Export / Import.
• Conversion of Database in Archive Log / No Archive Log Modes
• Troubleshooting problems for database, and application.
• Using Oracle Enterprise Manager (OEM) for different DBA activities on daily basis.
• Performed Database Cloning from Production to Test environment

Education

Bachelor's degree, Computer Science
  • at Jawaharlal Nehru Technological University Hyderabad
  • July 2011

Specialties & Skills

Oracle RAC
Oracle Database Administration
oracle Database

Languages

English
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