CGI Interview Question -Understanding ROWNUM in Oracle SQL: Mastering Row Numbering and Pagination
In this video, we'll take a deep dive into the ROWNUM pseudo-column in Oracle SQL. ROWNUM is a powerful feature that allows you to:
Limit the number of rows returned by a query
Rank or order rows
Implement paging or pagination
Perform conditional logic based on row numbers
We'll explore the various use cases of ROWNUM and provide clear examples to help you understand how to effectively leverage this feature in your Oracle SQL queries. Whether you're a beginner or an experienced Oracle developer, this video will equip you with the knowledge to work with ROWNUM and optimize your database performance.
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#OracleSQL #ROWNUM #RowNumbering #Pagination #DatabaseOptimization #SQLTips #SQLTutorial #OracleDeveloper #DataEngineering #DataScience #databasetesting #etltesting #etl #sql #oracle #sql_server