What is an index in sql with example?



What is an index in sql with example?..

Answer / Schin Kumar Singhal

In SQL, an index is a database object that improves the speed of data retrieval operations on a table by organizing and simplifying the search process. Here's an example of creating an index on a column named 'column_name':n```sqlnCREATE INDEX idx_column_name ON table_name (column_name);n```

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