Senior Oracle Dba Consultant Resume
Reston, Va
SUMMARY:
- Around 18 years of experience in Database Administration, Database Modeling, Designing, Programming, Database Schema Design, SQL Optimization in Data Warehouse, Data Mart, Batch Processing, OLTP Systems.
- 2 years of experience in supporting Oracle E - Business Suite R12.1.x.
- Installation, Configuration and implementation of Oracle E-Business suite R12 and oracle11g.
- Patching security vulnerabilities as part of quarterly release, applying minipacks, maintenance pack, family pack and one-off patches.
- Cloning of Oracle application environment using Rapid clone and adconfig.
- Highly experienced with Oracle Application tools and ad utilities like adpatch, adadmin, adconfig, adctrl etc. for the management and maintenance of Applications.
- 1 year and 9 months of experience in supporting Oracle Exadata database machine V1 with 11gR2 exadata storage server software.
- Expertise in installation, configuration, up-gradation, Backup & Recovery, application support, Resource Management, User & Security Management and cloning oracle homes.
- Installation, configuration and administration of 10g/11gR2 RAC on Linux/AIX.
- Adding and deleting a node from the RAC cluster.
- Converting the databases from single instance to RAC and vice versa.
- Moving the databases from one ASM disk group to another ASM disk group.
- Moving the databases from File system to ASM and vice versa.
- Renaming the databases and changing dbids using nid tool.
- Experience in configuration and administration of data guard for physical and logical standby databases.
- Experience in migrating the database from one platform (e.g., Sun Solaris) to another platform (e.g., AIX) using transportable database option.
- Experience in refreshing the lower environments with production database using rman active duplication or by restoring the production backups or by using duplicate technique using backup.
- Impact analysis of CPU/PSU patches to various versions of oracle homes.
- Performed switch over and failover tests for standby databases.
- Excellent experience in Database design, programming, optimization, tuning, SQL Optimization and Administration of Database and SQL scripts.
- Expertise in client server, Internet architecture applications development using Oracle 9i/8i/7.3.3, PL/SQL, SQL*Plus, SQL *Loader, Stored Procedures, Triggers, Functions and Packages.
- Upgraded Oracle Database using Export/Import utilities in a highly compressed time frame for smooth and successful migration.
- Involved in Data warehouse initiatives, establishing procedures and methodology for defining, analyzing, modeling and loading file in to the Data warehouse and Data marts.
- Implemented the database security in compliance with Sarbanes oxley rules.
- Strong skills in Oracle programming, Shell Scripting.
- Expertise in scheduling Production Jobs for very complex Batch System. Designed the Job Processes, Dependencies, and Passing Parameters. Monitored Production.
- Implementation and instructed Operation Group to hold and release jobs.
- Experience in Capacity Planning, Problem Resolution, System Monitoring, Disaster Recovery.
- Expert in using design and management tools like ERstudio, ERwin, DBArtisan and Toad
- Excellent in Database monitoring Tools like BMC Patrol.
- Implementation of a complete Hot/Cold Backup solution utilizing RMAN via a Recovery Catalog, strategy included development of daily, weekly and monthly strategy incorporating incremental backups.
- Implementation and use of the Oracle Enterprise Manager (OEM) as well as the Performance Tuning and Diagnostics Packs.
- Participated in data sourcing, extract data investigation process, worked with teams to develop PL/SQL, coded to extract, cleaned and sorted data for flat file generation, coded SQL*Loader control files to load data.
- Designed, coded and implemented database monitoring on Unix Platform using shell scripts.
- Worked with Oracle support on various SRs/TARs, those include lots of severity 1 SRs/TARs for production issues.
- Monitored Oracle Database using Quest Central and OEM, to minimize the performance problems.
- Oracle Database tuning for long running concurrent jobs using ASH, ADDM, AWR reports, TKPROF, etc.
- Good experience in tuning the SGA components, check point and redo tuning, and also PGA tuning.
- Extensive experience of Data analysis, user requirement analysis, infrastructure design and module specification.
- Excellent knowledge and experience in writing complex stored procedures, stored functions, database triggers and packages using PL/SQL.
- Effective analytical, organizational and communication skills.
- Installing Oracle Management Server (12c) and Oracle Management agents (12c). Monitoring the databases using Oracle Eneterprise Manager Cloud Control.s
TECHNICAL SKILLS
- Windows 95/98
- Windows NT
- MS-DOS
- UNIX (sun solaris 2.6/2.8/5.10
- AIX 5.3/6.1
- SUSE Linux 10
- HP UX 11/11i)
- SQL
- PL/SQL
- Java
- shell scripting
- awk
- Oracle 7.3/8/8i/9i/10g/11g
- E-Business Suite R12
- DBArtisan
- TOAD
- OEM
- RMAN
- LogMiner
- Tkprof
- Svrmgr
- data pump
- Export/Import
- SQL Loader
- SQL*PLUS
- ERStudio 7.1/7.5
- Erwin3.5/4.1.2
- Developer 2000
- (Forms 4.5
- Reports 2.5)
- Procedure Builder
- Designer 2000
- JDK
- Visual Source Safe
- PVCS
- Clear Case
- BMC Software
- Oracle Applications
- Compaq
- HP PCs
- DELL laptop
- Sun Fire 6800
- web sphere
- tibco.
PROFESSIONAL EXPERIENCE
Confidential, Reston VA
Senior Oracle DBA Consultant
Responsibilities:
- Applying PSU/CPU patches to the oracle homes of standalone databases, databases with data guard configuration and also for RAC databases.
- Raising Service Requests (SRs) with oracle for the encountered bugs or to get conflict one-off patches for the PSU patches.
- Resolving performance issues of database.
- Creating databases, tablespaces and adding space to the same.
- Enabling the audit for the users in the databases.
- Restoring the databases.
- Taking hot and cold backups of the database using rman.
- Used SPM (SQL Plan Management), sql profiles
- Moving the databases from file system to ASM and vice versa.
- Tuning the sqls in exadata environment.
- Configuring, maintaining dataguard setup.
- Installing Oracle Management Server(12c) and Oracle Management agents(12c). Monitoring the databases using Oracle Eneterprise Manager Cloud Control.
- Upgrading the O/s, exadata storage server software, Oracle software and databases to latest versions.
- Replacing the disks whose status is critical or preventive failure and creating the grid disks and add those grid disks to the existing asm disk groups.
Environment:, Exadata, Linux, Oracle 11gR2, OEM, SQL Developer, Toad.
Confidential, Washington DCSenior Oracle DBA Consultant
Responsibilities:
- Upgrading the O/s, exadata storage server software, Oracle software and databases to latest versions.
- Replacing the disks whose status is critical or preventive failure and creating the grid disks and add those grid disks to the existing asm disk groups.
- Changing the ip addresses of ntp servers using ipconf on exadata servers.
- Reimaging the cell
- Installing and administering the 10g/11gR2 RAC on Linux
- Applying PSU/CPU patches to the oracle homes of standalone databases, databases with data guard configuration and also for RAC databases.
- Raising Service Requests (SRs) with oracle for the encountered bugs or to get conflict one-off patches for the PSU patches.
- Resolving performance issues of database.
- Creating databases, tablespaces and adding space to the same.
- Enabling the audit for the users in the databases.
- Restoring the databases.
- Taking hot and cold backups of the database using rman.
- Refreshing the lower environment databases using rman active duplication or rman duplication technique with backup..
- Used SPM (SQL Plan Management), sql profiles and outlines
- Converting the single instance databases into RAC enbled databases.
- Moving the databases from file system to ASM and vice versa.
- Moving the databases from one ASM disk group to another ASM disk group.
- Renaming the database and changing the dbid using nid tool.
- Compressing the tables using hybrid columnar compression.
- Tuning the sqls in exadata environment.
- Conducted POC to move the database from Exadata to AWS.
Environment: Exadata, Linux, Oracle 11g, OEM, SQL Developer, Toad, cellcli, dcli.
Confidential, Rockville, MDSenior Oracle DBA Consultant
Responsibilities:
- Installing and administering the 10g/11gR2 RAC on Linux/AIX
- Migrating the databases from Solaris to Linux using data pump option.
- Migrating the databases from source to target using ISR solution( provided by data link and Q-logic)
- Installing oracle software of various versions (10.2.0.4, 11.1.0.7 11.2.0.1 and 11.2.0.2).
- Applying PSU/CPU patches to the oracle homes of standalone databases, databases with data guard configuration and also for RAC databases.
- Raising Service Requests (SRs) with oracle for the encountered bugs or to get conflict one-off patches for the PSU patches.
- Resolving performance issues of database.
- Creating databases, tablespaces and adding space to the same.
- Enabling the audit for the users in the databases.
- Cloning oracle homes.
- Restoring the databases.
- Migrating/Upgrading the databases from 10.2.0.4 to 11.1.0.7 or 11.2.0.2.
- Taking hot and cold backups of the database using rman.
- Installing the Management Agents on the host and adding the host/database to OEM repository.
- Refreshing the lower environment databases using rman active duplication or rman duplication technique with backup..
- Used SPM (SQL Plan Management), sql profiles and outlines
- Converting the single instance databases into RAC enbled databases.
- Moving the databases from file system to ASM and vice versa.
- Converting the table definitions from BYTE semantics to CHAR semantics.
- Moving the databases from one ASM disk group to another ASM disk group.
- Renaming the database and changing the dbid using nid tool.
Environment: AIX 5.3/6.1, Linux, Oracle 10g/11g, OEM, SQL Developer, Toad.
Confidential, Wilmington, DESenior Oracle DBA Consultant
Responsibilities:
- Installing and administering the 10g/11gR2 RAC on Linux/AIX
- Migrating the databases from Solaris to AIX using transportable database option.
- Installing oracle software of various versions (10.2.0.4, 11.1.0.7 11.2.0.1 and 11.2.0.2).
- Applying PSU/CPU patches to the oracle homes of standalone databases, databases with data guard configuration and also for RAC databases.
- Raising Service Requests (SRs) with oracle for the encountered bugs or to get conflict one-off patches for the PSU patches.
- Resolving performance issues of database.
- Creating databases, tablespaces and adding space to the same.
- Enabling the audit for the users in the databases.
- Cloning oracle homes.
- Restoring the databases.
- Migrating/Upgrading the databases from 10.2.0.4 to 11.1.0.7 or 11.2.0.2.
- Taking hot and cold backups of the database using rman.
- Installing the Management Agents on the host and adding the host/database to OEM repository.
- Worked on implementing ILM strategy.
- Worked on Transparent Data Encryption for tablespaces.
- Scheduling the automated tasks using Control-M.
- Used SPM (SQL Plan Management) and outlines
Environment: Sun Solaris 5.8/5,10, AIX 5.3, Linux, Oracle 9i/10g/11g, OEM, Control M, CVS, Toad.
Confidential, Reston, VASenior DBA Consultant
Responsibilities:
- Installation, Configuration and implementation of Oracle E-Business suite R12 and oracle11g
- Patching security vulnerabilities as part of quarterly release, applying minipacks, maintenance pack, family pack and one-off patches.
- Cloning of Oracle application environment using Rapid clone and adconfig.
- Refreshing lower environment databases with production databases using rman active duplication or by restoring production backups.
- Storage Management Managing Space, Tablespaces, Segments and Extents, Rollback Segments & Data Dictionary.
- Troubleshooting Apps components like Forms, Apache and Concurrent Managers.
- Highly experienced with Oracle Application tools and ad utilities like adpatch, adadmin, adconfig, adctrl etc. for the management and maintenance of Applications.
- Upgraded some of our databases from 11gR1 to 11gR2. Worked with Oracle support to resolve the bugs related to 11gR2.
- Configured AUTOCONFIG for handling customizations and Security issues.
- Highly experienced in Investigating performance issues for Oracle Applications(Concurrent Program/Reports)
- Identifying the best plans using sql tuning advisor and migrating the sql profiles from one database to another database using ‘dbms sqltune package’.
- Experienced in supporting high volume production runs like processing 20M batch size.
- Worked with oracle support to improve performance of Create accounting and update sub ledger balances program.
- Monitoring and troubleshooting top cpu/memory consuming processes, Identifying top sqls/sessions and tuning.
- Security User Management, Privileges, Roles, Auditing, Profiling, Authentication.
- Experience in setting up E-Business Suite for Oracle Financials Accounting Hub Integration Pack for PeopleSoft General Ledger.
- Worked on QUEST STAT tool for deploying the code migrations
- Configured SSL for all the lower and higher environments.
- Troubleshooting clone issues related to Apache, autoconfig, Concurrent Managers and AD utility.
- Implemented SOX guidelines from technical perspective and followed change management to deploy codes.
- Migrating the databases from Solaris to AIX using transportable database option.
- Installing and administering the 10gR2 RAC on Linux.
- Installing oracle software of various versions (10.2.0.4, 11.1.0.7 11.2.0.1 and 11.2.0.2) including oracle examples.
- Applying PSU/CPU patches to the oracle homes of standalone databases, databases with data guard configuration and RAC databases.
- Raising Service Requests (SRs) with oracle for the encountered bugs or to get conflict one-off patches for the PSU patches.
- Creating autosys jobs to fulfill database monitoring and on demand backups.
- Resolving performance issues of database.
- Running character set scanner to find out data loss in the existing database.
- Creating databases, tablespaces and adding space to the same.
- Configuring/Building/Maintaining data guard for physical and logical standby databases.
- Performing switchover and failover tests for standby databases.
- Performing VCS failover tests.
- Migrating OLAP Analytic Workspaces from production to lower environment.
- Renaming the data files on the primary and standby databases.
- Enabling the audit for the users in the databases.
- Cloning oracle homes.
- VCS configuration.
- Restoring the databases.
- Installing Management Agents to monitor the databases on the hosts.
- Migrating the system tablespace from dictionary management to local management.
- Native compilation of pl/sql objects.
- Recreating the redo log files on the file system with 512K block size.
- Removing the databases and their corresponding oracle homes.
- Changing the dbid and dbname of the databases using nid tool.
- Performing POC for Real Application Testing which involves backing up the database, capturing the work load and replaying the work load.
- Migrating/Upgrading the databases from 10.2.0.4 to 11.1.0.7 or 11.2.0.2.
- Taking hot and cold backups of the database using rman.
- Building the environment for Exadata POC which involves full export of the database using data pump, database creation and full import of the database and configuring the database tier for E-Business Suite database.
- Supporting Business Resumption Test (Switching over the roles of the databases from primary to standby and standby to primary )
- Dropping the database links which can’t be dropped after changing the global name.
- Creating directory objects and setting up the acls on the file system.
- Cloning lower environment E-Business Suite databases from production database and configuring the database tier.
- Installing the Management Agents on the host and adding the host/database to OEM repository.
- Used SPM (SQL Plan Management) and outlines
Environment:Sun Solaris 5.8/5,10, AIX 5.3, Suse Linux 10, Oracle 8i/9i/10g/11g, OEM, autosys, E-Business Suite R12, VCS, Veritas Net Backup, Clear Case, ERwin.
Confidential, Herndon, VADBA
Responsibilities:
- Migrating the database from 8.1.6.3 to 9.2.0.4
- Implementing the Sarbanes Oxley rules.
- Performance monitoring and Tuning the sql statements
- Applying patches for security alerts.
- Cloning the database for development/Test purposes using Rman production backup.
- Deploying WAR files
- Building the TIBCO server.
- Applying the promotion packages.
- Supporting UAT and performance Testing of the Application.
- Database creation.
- Developer support.
- Took cold backup, complete/cumulative and incremental exports as a backup strategy.
- Resolved the ora-600/ora-7445 on consultation with Oracle Support services.
- Worked closely with the development team to resolve complex application problems.
- Checked IO, CPU or memory bottlenecks and suggest appropriate measures.
- Re-sized/cleaned the existing database for unwanted users, space, etc. (as documented and approved by the client), tune SGA and initialization parameters for better performance.
Environment:HP-UX 11/11i, Sun Solaris 5.8, Oracle 8i/9i, Toad, TIBCO, Web Sphere 4.x.
Confidential, Plainville, CTDBA
Responsibilities:
- Provided the support for the GEIS global data warehouse development, test and production database environments.
- Performance monitoring and tuning.
- Data replication.
- Database creation.
- Disaster recovery.
- Developer support.
- Taking necessary action on BMC alerts generated.
- Providing support for weekly Production release process.
- Database up gradation.
- Character set migration.
- Refreshed the test databases with production data.
- JVM installation on oracle databases to make use of java features in oracle.
- Re-organized the tables to gain the disk space back.
- Created testing environment for the tools like precise and FirstLogic.
- Took cold backup, complete/cumulative and incremental exports as a backup strategy.
- Resolved the ora-600/ora-7445 on consultation with Oracle Support services.
- Enabled the audit in the database.
- Involved in capacity planning exercises and implemented backup/recovery procedures.
- Worked closely with the architects and came up with detailed logical and physical schema design. Leads medium sized infrastructure projects.
- Designed, planned and implemented large and complex DB systems.
- Follow-up projects work with crisp documentation.
- Worked closely with the development team to resolve complex application problems.
- Checked IO, CPU or memory bottlenecks and suggest appropriate measures.
- Tested/verified exports on the database.
- Re-sized/cleaned the existing database for unwanted users, space, etc. (as documented and approved by the client), tune SGA and initialization parameters for better performance.
- Used oracle tools (sql*loader) and write procedures to migrate data from legacy systems.
- Verified daily loads and monthly loads.
- Managed indexes, partitioned tables and materialized views.
- Performance tuning on databases for Clients.
Environment:Sun Solaris 5.8, Oracle 8i/9i, DBArtisan, Toad, BMC Patrol, Precise, Erwin 3.5.
Confidential, Plainville, CTDBA/Data warehousing consultant
Responsibilities:
- Installation of Oracle Software.
- Designing and creating schema objects like Database tables, indexes, views, synonyms, and backend Procedures, functions, DB triggers and all schema objects in Oracle.
- Data migrations between Databases using Oracle SQL Loader, IMPORT and EXPORT utilities.
- Monitoring, Tuning and Trouble shooting the Databases.
Environment:Sun Solaris 5.8, Oracle 9i, Erwin 3.5, in house ETL tool kit
Confidential, Rockville, MDDBA
Responsibilities:
- Preparing Requirement Confirmation Document.
- Preparing Design Document.
- Designed and implemented both a logical and physical Oracle 8 database model.
- Designed, implemented & tested enterprise-level backup and recovery methodologies, performed complete and incomplete recovery operation on production and test Databases.
- Network Administration, configure and test an Oracle NET8 configuration, Oracle net8 troubleshooting.
- Wrote many SQL Scripts to identify the free space in Table space, identifying Max extents.
- Used export/import utilities.
- Monitored database using OEM’ s Instance manager, Security manager, and Scheme manager.
- Performance tuning through Application or SQL tuning, Memory tuning, I/O tuning, Disk and Latch contention tuning using various monitoring and diagnostic tools like SQL TRACE, TKPROF, UTLBSTAT and UTLESTAT and also various V$ Views.
- Writing Test Cases.
- Writing scripts for data migration.
- Preparing QC environment.
- Testing the components.
- Preparing the Test Notebook.
Environment:WindowsNT, Windows95, UNIX, Oracle 8, IE4, IIS
ConfidentialDBA/Developer
Responsibilities:
- Managed security and roles, functions included managing object and system privileges, granting, revoking and displaying privileges. Created (non) default roles and enabling/disabling roles.
- Wrote many SQL Scripts to identify the free space in Table space, identifying Max extents.
- Administered database backup and recovery operations.
- Used Windows NT Administrative tools for performing Backup and recovery.
- Tuned performance parameters like system status, memory utilization, and CPU performance.
- Monitored database performance.
- Extensively tuned databases and increased the HIT RATIO drastically.
- Monitored database using OEM’s Instance manager, Security manager, and Scheme manager.
- Preparation of Low Level Design.
- Module Generation through Application Design Wizard Utility.
- Additions/Modifications in Module Data Diagrammer, bearing in mind the capabilities of Forms Generator.
- Forms Generation through Forms Generator utility.
- Enhancing User Interface and Functionality in Developer 2000 to forms generated using Designer.
- Development of forms using Developer2000 (Forms 4.5)
- Development of Reports using Developer2000 (Reports2.5)
- Wrote Database Triggers and Stored Program Units
- Preparation of Unit Test Specifications.
Environment:Windows NT, Windows95, Oracle 7.3/8, Designer2000, Developer/2000 Forms4.5, Reports 2.5, Procedure Builder, TOAD, VSS