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Scenario 19: Optimizing Database Queries

Problem Statement: Optimizing SQL queries for faster results.

Detailed Scenario: A Python application interacts with a SQL database. The goal is to improve the performance of queries that retrieve large datasets.

Usecase Approach: Use indexing, limit the number of rows fetched, or use batch processing to improve query performance.

Tools and Modules: sqlite3, os

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Approach:

  • Indexing: Created on product column to speed up filter queries.
  • LIMIT clause: Reduces the load by fetching only top 10 rows.
  • Batch inserts: Done in one loop instead of repeated commits.

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