Vigneswara reddy T.

Data Analyst | Python developer| PL/SQL Developer ||Data Warehouse( OLAP, BI ) | OBIEE Developer

Bangalore , India

Experience: 6 Years

Vigneswara reddy

Bangalore , India

Data Analyst | Python developer| PL/SQL Developer ||Data Warehouse( OLAP, BI ) | OBIEE Developer

54049.7 USD / Year

Notice Period: Days

6 Years

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About Me

Oracle PL/SQL, OBIEE(BI Publisher, Bi Answers, Dashboards), Oracle Wallet, Hadoop(Hive, Impala, OOZIE, SQOOP), Machine Learning(Regression, Class...

Ø Involved in Design(Security, Compatibility), Development(RPD, BI Answer, BI Publisher, iBots) & Testing as part of Oracle Discoverer 10G/11G to OBIEE 12C Migration

Ø Experience in writing Oracle PL/SQL packages, Procedures, Functions, Database Triggers, Cursors, Exceptions, data modelling and advanced concepts like arrays, bulk collect and forall, Performance Tuning and analytical functions, Oracle Wallet Configuration

Ø Worked on Big Data Technologies like Hive, Impala, Sqoop, Oozie Languages

Skills

Positions

Machine Learning Engineers

Data scientist

Portfolio Projects

Description

Involved in Reading data from files & Validating schema, data using pyspark data frames  Working for Clean Up Hadoop Databases by finding largest tables & unused tables from hive meta store for HDFS & AWS DB  Created Impala UDF’s for Generating Random Data with & without Predefined List of Data using core java  Based on File Triggers ActiveBatch will trigger Jobs to execute set of python jobs to clean & load data into HDFS  Involved in reading Kafka consumer messages & storing in HDFS table to store user activity in prod servers.  Working for migrating tables between databases by removing sensitive information like Prod to Dev  Working for migrating tables from encrypted zones to green zone by removing sensitive information  Working for Change requests (CR) for new/modify functionality

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https://github.com/VigneswaraReddy/ProfessionalProjectExperience/tree/master/Discoverer11G_to_OBIEE12C_Migration

As part of this requirement we need to migrate all Discoverer reports to OBIEE r

Contribute

 As Part of Migration we need to Migrate Multiple End User Layers (EUL) to Single Repository (RPD).  Created star/snow fall schemas in the repository between fact and dimensional tables.  We have

Description

Ø As Part of Migration we need to Migrate Multiple End User Layers (EUL) to Single Repository (RPD).

Ø Created star/snow fall schemas in the repository between fact and dimensional tables.

Ø We have Created BI Publisher reports, Bi Answer reports, Dashboards & ibots in OBIEE Based on SQL Queries fetched from Discoverer Plus tool and from Discoverer Table’s

Ø As part of Reports security we have used Roles, Privileges, Groups in OBIEE

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https://github.com/VigneswaraReddy/ProfessionalProjectExperience/tree/master/OBIEE11G_to_12C_Migration

OBIEE 11G to 12C Migration

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Upgrade existing OBIEE 11g to OBIEE 12c. You have to be on OBIEE 11.1.1.7 or later to be able to successfully do the migration

Description

In This Project i have to Migrate Catalog Reports & User-Role Security Priviliges from RPD to Weblogic Console

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https://github.com/VigneswaraReddy/ProfessionalProjectExperience/tree/master/IVR_Avya_Projects

Implementation of IVR Systems

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 We have developed IVR Systems for maintaining out bound calls, Inbound Calls & Self Service  For activating/modifying any products we have to send requests to CRM/CBS through GFEP from IVR  Monit

Description

Playing Customer needed information through IVR Systems as per Client Requirement (In Bound Calls, OutBound Calls, Self Service)

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