¿ Performing initial data migration, subsequent delta migrations and validating the data been converted. ¿ Extracting data from different data sources Oracle, Access databases and Excel spreadsheets, transformed and mapped nonstandard data to standard codes for data integrity and loaded the target Oracle database. ¿ Ability to script using python to extract the data from different data sources. ¿ Loading data from flat files into Oracle tables using SQLLDR. ¿ Performing Data integrity, validation and testing on the data migrated. ¿ Creating Shell Scripts for invoking SQL scripts to refresh data from remote databases using DB link and scheduled them using Crontab. ¿ Automating the migration process using shell scripts to run whenever required. ¿ Creating and Converting Complex database objects like Stored Procedures, Functions, Packages, Triggers and exception handling from MySQL to Oracle. ¿ Trouble shooting performance issues using Explain Plan, Indexes, Optimizing, and tuning PLSQL subprograms to reduce the loading process. ¿ Partitioning large tables and creating local and global indexes for improving performance. Maintained users, roles and privileges for database objects. Skills : Python, PL/SQL, MySQL