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Sql Developer

5 - 10 years

15 - 25 Lacs

Posted:3 hours ago| Platform: Naukri logo

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Job Type

Full Time

Job Description

Key Responsibilities:

  • Develop, test, and maintain complex SQL queries and stored procedures.
  • Design and optimize data models, tables, and relationships.
  • Write efficient SQL for data extraction, transformation, and loading (ETL) purposes.
  • Create and manage Common Table Expressions (CTEs), temporary tables, and subqueries.
  • Perform advanced data analysis using aggregate functions, window functions, and joins.
  • Detect and eliminate duplicate records using techniques such as ROW_NUMBER() and RANK().
  • Write queries to support business reporting, analytics, and dashboards.
  • Ensure data accuracy and integrity across multiple systems.
  • Troubleshoot and resolve performance issues using indexing, execution plans, and query tuning.
  • Collaborate with business analysts and data engineers to meet data requirements. Required Skills:
  • Strong proficiency in SQL (preferably T-SQL or PL/SQL).
  • Solid experience with joins, subqueries, CTEs, window functions, and aggregations.
  • Deep understanding of GROUP BY, HAVING, ROW_NUMBER(), RANK(), and other

analytical functions. Experience with DML (INSERT, UPDATE, DELETE) and DDL (CREATE, ALTER).

  • Experience in debugging and optimizing complex queries.
  • Hands-on experience with large datasets and transactional systems.
  • Collaborate with business analysts and data engineers to meet data requirements. Required Skills:

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