About

Rahul Vignesh is a professional developer with over 3 years of experience in Oracle SQL and PL/SQL. He is currently working as an Engineer at AstraZeneca, where he has gained extensive experience in analysis, development, and production support environments. Rahul's expertise in RDBMS includes Oracle 10g/11g SQL, and he is proficient in PL/SQL. He is also well-versed in using tools such as TOAD, SQL Developer, and SQL*Plus. With a strong knowledge of joins, views, Mview, and pseudocolumn, Rahul has created Oracle tables, views, constraints, synonyms, sequences, and indexes to optimize queries for minimum impact on database performance. Rahul also has experience in retrieving data from external data files and loading them into the Oracle database using tools like SQL*Loader, external table files, and UTL_FILE based on file formats. He has good knowledge of writing procedures, functions, packages, triggers, and using the latest features to optimize performance like inline views and global temporary tables. Rahul has worked with cursors, collections, ref cursor, cursor variables, system reference cursor, dynamic SQL, and bulk collections for better performance and easy retrieval of data. He has extensively used exception handling to debug and display error messages in the application. Rahul is an excellent problem solver and troubleshooter, with the ability to work both individually and in a team. He has a Bachelor of Engineering degree in Computer Science from Anna University, where he graduated in 2016. Rahul's tech stack includes SQL, and he has relevant experience of 5.27 years. Before joining AstraZeneca, Rahul worked as an Oracle PL/SQL Developer at Thinclesoft.