siddharthaBS_DBA
- 1. Siddhartha Bikash Sinha Mob: +91-8939361822 E-mail: siddbikash.sinha@gmail.com, BB..TTeecchh.. ((CCSSEE)) wwiitthh 44 yyeeaarrss ooff eexxppeerriieennccee OOnn OOrraaccllee DDBBAA ++ RRAACC,, PPll//SSqqll && UUnniixx OBJECTIVE To seek challenging and rewarding assignments where my passion for exceptional Oracle Database can be realized and significantly contribute to the organization. SYNOPSIS Managing multiple Databases, running on AIX, Sun Solaris server as production support engineer Oracle Certified Professional (OCP) for DBA Installation Oracle database on Linux, Solaris. Windows. Upgrade & Migrate database from 10.2.0.2.0 to 11.2.0.3 . Experience in Schema refresh from Production database to Development Database usin exp/imp & expdp/impdp . Experience in as an Oracle DBA 11g/10g/Production , QA and Development environment. Writing Unix script & PL/SQL Procedure, Function ,Trigger & SQL script Configuring job schedule in IBM Tivoli job scheduler & monitoring jobs Worked in 24x7 production environment and provided on-call and day-to-day support. Manage RAC environment for Day to Day Database administrator. Experience in Recovery manager (RMAN) for Database backup & recovery . Monitoring & managing Datagaurd Standby Database disaster management. Check the availability of OCR and VD in backup locations. Experience in Migration Oracle 10g Database to Oracle 11g database. Experience in Oracle 11g database replication, Experience in Oracle 11g/10g Data Guard and standby database maintanance Supporting Oracle Database i.e. over 3 TB in size. Migrate over 240 GB data from Across the Platform ( From AIX to Sun solaris) Created the tables, constraints and other database objects according to database design. Monitored system resource availability and responded to system memory and data issues.. Develop & Validate Developed PL/Sql Procedures, Functions, and Packages. Worked on object. USE OF extensive Unix Shell Scripting And SQL *Loader to Load the Data into stage Final Table Managing Database User, Database Security, Storage Allocation, segments, Database Access, Roles and Privileges Checking Alert log & monitoring growth of the Table spaces Performed different file recoveries in the database Statistics and running various reports without disturbing the production database. Doing Database Reorganization regularly to remove row migrations and fragmentation using export and import utilities Managing and monitoring ASMM,ADDM,AWR for different databases
- 2. HCL ITIL processes Certification ACADEMIC B-Tech (C.S.E) from Dr.M.G.R Educational & Research Institute, Dr.M.G.R University, Chennai with 7.6 C.G.P.A in 2008. Diploma in CSE from The Oxford Polytechnic, Bangalore in 2005. Oracle Certified Professional (OCP) in Oracle 10g Database Administration.2012 Oracle Certified Associate (OCA) in Application Developer Track .2010 Oracle Certified Associate (OCA) in Oracle 10g Database Administration.2009 TECHNICAL SKILLS Operating System AIX ,Sun Solaris , Windows Database Oracle10g,Oracle11g, Oracle11g RAC, Oracle utilities Exp/imp, Rman, Sql*loader , Expdp / Impdp,Opatch Language SQL,PL/SQL, Unix scripting Tool SQL Developer, Toad Tool Putty used to connect Unix boxes File transfer tool FileZilla,FTP Version control Tool CVS,VISIO Job scheduling Tool IBM Tivoli Job scheduler, Skybot Ticketing System CRM Bridge Clarify PROFESSIONAL EXPERIENCE Working as a Oracle DBA in HCL Technologies Pvt Ltd, Chennai from October 2010 to Till Date. Project: Bed Bath & Beyond Inc. - Return Authorization, Planning System, Technology/Environment: Solaris , Oracle11g, Team Size : 17 Team Role : Oracle DBA as production support engineer. Duration : July 2011 – till date Synopsis: Refund Authorization module(RA) :- It handles (Oracle database) sales data for Return authorization . It enables the customers to return the purchased items across US in any BED,BATH&BEYOND STORE .Its online transaction processing database of 400GB size. Planning System module:-It (Oracle Database) receives data from from all the point of sales AS400 databases & Teradata Database. Sales Data are processed further for Sales plan & forecast by Business Planners . Its used for reporting and planning purpose .The database is 4TB size. . Roles & Responsibilities: Worked in 24x7 production environment and provided on-call and day-to-day support. Managing & monitoring Data Guard Standby databases, Snapshot maintenance and creation
- 3. Handling CRM Bridge Clarify issues Writing Unix script & PL/SQL Procedure, Function ,Trigger & SQL script Configuring job schedule in IBM Tivoli job scheduler & monitoring jobs Managing & monitoring Recovery manager (RMAN) for Database backup & recovery. Checking Alert log & monitoring growth of the Table spaces Statistics and running various reports without disturbing the production database. Doing Database Reorganization regularly to remove row migrations and fragmentation using export and import utilities Monitoring & managing Stand by Database . Writing Unix script & PL/SQL Procedure, Function ,Trigger validation & SQL script SQL query analysis & tuning to performance optimization Create Tables and Load data in to target tables, Used Exp/Imp & Expdp / Impdp utility for schema refresh in Development Database. from Production Database. Check the availability of OCR and VD in backup locations. Check Alert Log files in each instance Taking the Logical, Cold and Hot backup of the database regularly Taking Tables level logical back up using Expdp/Impdp . Taking Differential backups of the database using Recovery Manager (RMAN) regularly Application Migration from Development Database to Qa Database . Checking server file system mount points space usage, compressing & moving Files Writing Unix scripts as per business requirement , to implement the sql scripts , automate sending alerts mails. Monitored system resource availability and responded to system memory and data issues. Implementing and maintaining database security (create and maintain users, roles and assign privileges) Scheduling jobs in IBM Tivoli job scheduler & monitor . Created the tables, constraints and other database objects. Project: British Telecom - AlarmMIS Technology/Environment:Sun solaris. Oracle 10g Team Size : 20 Team Role : Oracle Junior DBA Duration : October 2010 – Jujy 2011 (9 Months) Synopsis: AlarmMIS is a repository Database for fault handling history of Netcool omnibus system and .The Netcool omnibus user access this database for reference for resolution of any issue .It has two databases as Primary Database 500GB & secondary Database(500GB) . Roles & Responsibilities: Creating and maintaining logins, synonyms and access privileges using roles, controlling access to the database using operating system and Oracle security features. Checking Alert log & monitoring growth of the Table spaces Doing Database Reorganization regularly to remove row migrations and fragmentation using export and import utilities Managing Database Structure, Storage Allocation, segments Monitored system resource availability and responded to system memory and data issues.
- 4. If any Gateway down then ,need to bring up and perform Data synching between live server and down server. Managed appropriate use of freespace within tablespaces, reclaimed space whenever possible. Reorganized tables and indexes within databases when needed. We maintain 11 months data by creating new partition and dropping the oldest partition in Table every month. Checking server file system mount points space usage, compressing & moving files Handling CRM Bridge Clarify issues If any Gateway down then ,need to bring up and perform Data synching between live server and down server. Statistics and running various reports without disturbing the production database. I hereby declare that the above written particulars are best of my knowledge and belief. Date: Place: (Siddhartha Bikash Sinha)