C# Corner
Tech
News
Videos
Forums
Trainings
Books
Events
More
Interviews
Jobs
Live
Learn
Career
Members
Blogs
Challenges
Certifications
Bounties
Contribute
Article
Blog
Video
Ebook
Interview Question
Collapse
Feed
Dashboard
Wallet
Learn
Achievements
Network
Refer
Rewards
SharpGPT
Premium
Contribute
Article
Blog
Video
Ebook
Interview Question
Register
Login
Tags
No tag found
Content Filter
Articles
Videos
Blogs
Resources
News
Forums
Interviews
Complexity Level
Beginner
Intermediate
Advanced
Refine by Author
[Clear]
Riya Patel(28)
Ananya Desai(18)
Mahesh Chand(11)
Aarav Patel(9)
Saurav Kumar(9)
Niharika Gupta(5)
Raghunath Bhukan(5)
Baibhav Kumar(4)
Harsh Bhensawala(3)
Nagaraj M(2)
Gautam Singh(2)
Akim Mamedov(1)
Mariem Moalla(1)
Ziggy Rafiq(1)
Abiola David(1)
Resources
No resource found
What’s New in SQL Server 2025
Jan 26, 2026.
SQL Server 2025 marks a clear shift in Microsoft’s database strategy. This release is not just about incremental performance gains. It is about making SQL Server smarter, more secure, and deeply aligned with cloud and AI driven workloads. Whether you run mission critical systems on premises, in Azure, or in hybrid environments, SQL Server 2025 focuses on reducing operational pain while improving reliability and scalability.
SQL Server 2025 vs SQL Server 2022: What’s the Real Difference
Jan 26, 2026.
Explore the key differences between SQL Server 2025 and SQL Server 2022. Discover enhancements in performance, security, cloud readiness, and AI-assisted database management. Learn which version best suits your needs for optimal database efficiency.
SQL Server 2025 vs SQL Server 2022: What’s the Real Difference
Jan 26, 2026.
Explore the key differences between SQL Server 2025 and SQL Server 2022. Discover enhancements in performance, security, cloud readiness, and AI-assisted management. Learn which version best suits your needs for optimal database performance.
Performance Improvements in SQL Server 2025
Jan 26, 2026.
SQL Server 2025 boosts performance with smarter query execution, improved CPU scheduling, and reduced locking. Expect greater stability and scalability!
AI Features in SQL Server 2025: How Intelligent Is It Really?
Jan 26, 2026.
SQL Server 2025's AI features offer pragmatic improvements: intelligent query processing, anomaly detection, and proactive performance insights for DBAs.
Query Optimization Changes in SQL Server 2025
Jan 26, 2026.
SQL Server 2025 revolutionizes query optimization! Expect smarter parameter handling, adaptive plans, and reduced regressions. Developers and DBAs rejoice!
SQL Server 2025 Licensing and Pricing Changes Explained
Jan 26, 2026.
Understand SQL Server 2025 licensing! Explore core-based models, hidden costs, and strategies to reduce spend. Discover if Standard Edition now fits your needs.
Why Power BI Dashboards Become Slower as Data Grows
Jan 27, 2026.
Discover why Power BI dashboards slow down as data grows! Learn about cardinality, filter costs, DAX scaling, and how to design for data growth to maintain performance.
How to Identify Performance Bottlenecks in Power BI Reports
Jan 27, 2026.
Troubleshoot slow Power BI reports! Learn to pinpoint performance bottlenecks by analyzing user experience, DAX, model design, and refresh interference. Stop guessing!
How to Monitor Power BI Refresh Failures Proactively
Jan 27, 2026.
Stop Power BI refresh failures before they impact users! Learn to proactively monitor refresh duration, patterns, and capacity for reliable data delivery. Boost trust!
Power BI Refresh Scheduling Mistakes Enterprises Make
Jan 27, 2026.
Avoid Power BI refresh failures! Learn common enterprise scheduling mistakes: refresh storms, ignoring data sources, and lack of ownership. Optimize for performance and reliability.
PostgreSQL in Kubernetes: What Changes and Why Performance Feels Different
Jan 27, 2026.
Moving PostgreSQL to Kubernetes? Expect surprises! This article explains why performance feels different, focusing on storage, memory limits, and connection behavior.
Why Read Replicas Don’t Reduce Load as Much as Teams Expect
Jan 27, 2026.
Read replicas don't always reduce load as expected! This article explains why, revealing common pitfalls, replication lag issues, and how to use them effectively. Stop scaling illusions!
Why PostgreSQL Incidents Last Longer Than They Should (Ownership, Signals, and Playbooks)
Jan 27, 2026.
Uncover why PostgreSQL incidents drag on! Learn how unclear ownership, noisy signals, and brittle playbooks extend resolution times and what to do about it.
Why Does a Website Load Fast Locally but Slow for Users Worldwide?
Jan 27, 2026.
Discover why your website loads lightning fast locally but crawls for global users. Latency, CDNs, optimization, and more explained. Boost worldwide speed!
Why Your .NET Core App Is Slow (And How to Fix It)
Jan 24, 2026.
Optimize your .NET Core app! Discover common performance bottlenecks like blocking async code, inefficient database queries, and excessive logging. Learn proven fixes and best practices to boost speed and efficiency.
Common C# Mistakes Even Senior Developers Make
Jan 24, 2026.
Avoid common C# pitfalls! Even experienced developers make mistakes like misusing async/await, ignoring IDisposable, and over-abstracting. Learn to write better C# code.
Performance Testing Salesforce API Integrations (Real-World, Practical Guide)
Jan 23, 2026.
Ensure seamless Salesforce API integrations! This guide covers load, stress, and soak testing with real-world data to prevent production surprises and ensure scalability.
Capacity Planning for Salesforce API Usage
Jan 23, 2026.
Proactive Salesforce API capacity planning prevents outages and ensures smooth scaling. Learn to forecast usage, identify warning signs, and optimize architecture.
Why PostgreSQL Uses High CPU Even When Queries Look Simple
Jan 23, 2026.
Unravel PostgreSQL high CPU mysteries! Learn why seemingly simple queries cause performance bottlenecks due to data growth, visibility checks, and connection overhead.
Why PostgreSQL Uses So Much Memory in Production
Jan 23, 2026.
Demystifying PostgreSQL memory usage in production! Learn how shared_buffers, OS caching, and concurrency impact performance and prevent OOM crashes. Understand memory scaling!
Why Indexes Stop Helping After a Certain Point in PostgreSQL
Jan 23, 2026.
PostgreSQL indexes offer initial speed boosts, but their value diminishes with data growth and write traffic. Learn why more indexes aren't always better and how to avoid performance pitfalls.
Why PostgreSQL Works Fine for Months and Then Suddenly Slows Down
Jan 23, 2026.
Uncover why PostgreSQL performance degrades seemingly overnight after months of stability. Learn to identify gradual accumulation of inefficiencies and prevent sudden slowdowns.
Why Power BI Performance Degrades Over Time
Jan 23, 2026.
Power BI performance slows down over time due to data growth, model complexity, DAX inefficiencies, visual overload, and refresh bottlenecks. Learn how to prevent it!
How to Prevent Power BI Performance Issues Before They Start
Jan 23, 2026.
Proactive Power BI performance tuning is key! Learn how to prevent slow dashboards by focusing on data models, DAX, visuals, refresh, and capacity planning early.
Power BI Performance Optimization Before Going Live
Jan 23, 2026.
Optimize Power BI reports *before* go-live! Learn to validate data models, review DAX, reduce visual load, and simulate usage for peak performance. Avoid costly redesigns!
Why Does a React App Perform Slower in Production Than Development?
Jan 23, 2026.
React app slow in production? Discover why your React app lags after deployment! Learn optimization tips: code splitting, caching, and more for a faster UX.
Common Power BI Gateway Mistakes in Enterprises
Jan 22, 2026.
Avoid Power BI refresh failures! Learn common gateway mistakes enterprises make, impacting data freshness and user trust. Optimize your Power BI gateway now!
Power BI Deployment Checklist Before Going Live
Jan 22, 2026.
Ensure successful Power BI deployments! This checklist covers data validation, performance testing, security, and user acceptance for a smooth go-live. Avoid common pitfalls!
Why PostgreSQL Replication Lag Spikes Suddenly in Production
Jan 22, 2026.
Uncover the mystery of sudden PostgreSQL replication lag spikes in production! Learn the common causes, from write bursts to slow disks, and how to resolve them.
Why Power BI Reports Feel Fast for Some Users and Slow for Others
Jan 22, 2026.
Unravel why Power BI reports feel fast for some and slow for others. Explore factors like RLS, location, data volume, and user behavior for optimal performance.
How to Diagnose Slow Power BI Reports Step by Step
Jan 22, 2026.
Troubleshoot slow Power BI reports effectively! This guide provides a step-by-step approach to diagnose performance issues, from user complaints to root cause analysis.
Why PostgreSQL Queries Get Slower as Data Grows (Even With Indexes)
Jan 22, 2026.
PostgreSQL query slowdowns with data growth? This article explains why indexes aren't always enough. Learn about bloat, statistics, cache misses, and more!
Why VACUUM in PostgreSQL Causes Performance Drops (And When It’s Normal)
Jan 22, 2026.
Understand why VACUUM in PostgreSQL causes performance drops. Learn when it's normal, avoidable, and a sign of deeper issues. Optimize your database now!
Why PostgreSQL Autovacuum Sometimes Makes Things Worse Instead of Better
Jan 22, 2026.
Uncover why PostgreSQL autovacuum can degrade performance in production environments. Learn to identify common pitfalls, tune settings, and avoid the default settings trap.
PostgreSQL Connection Pool Exhaustion Explained in Simple Words
Jan 22, 2026.
Unravel PostgreSQL connection pool exhaustion! Learn why it happens, how it manifests in production, and why increasing max_connections is often a trap. Protect your database!
How Row-Level Security Slows Down Power BI Reports
Jan 21, 2026.
Discover why Row-Level Security (RLS) slows down Power BI reports and how to optimize it. Learn to balance security with performance for responsive dashboards.
Power BI Performance Troubleshooting: From Symptoms to Root Cause
Jan 21, 2026.
Troubleshoot Power BI performance issues by tracing user complaints to root causes. Optimize data models, DAX, DirectQuery, & RLS for faster reports. Learn to diagnose & fix bottlenecks for peak performance.
Why Power BI Refreshes Fail in Production
Jan 21, 2026.
Uncover why Power BI refreshes fail in production! Learn about data volume, query folding, credentials, throttling, and more. Keep your dashboards updated!
DirectQuery vs Incremental Refresh: Choosing the Lesser Evil in Power BI
Jan 21, 2026.
Struggling with Power BI performance? This guide breaks down DirectQuery vs. Incremental Refresh, helping you choose the best approach for speed and data freshness.
How to Design Rust Services to Be Memory-Stable by Default
Jan 21, 2026.
Ensure Rust service memory stability from the start! Learn design principles for predictable usage, bounded growth, controlled concurrency, and peak performance.
How Do Developers Prevent Cold-Start Delays in Edge Computing Platforms?
Jan 21, 2026.
Eliminate edge computing cold starts! Learn proven techniques to reduce latency and improve performance. Optimize functions, dependencies, and runtimes for speed.
What Are the Limitations of WebAssembly for CPU-Intensive Workloads Today?
Jan 21, 2026.
Explore WebAssembly's limitations for CPU-intensive tasks like data processing and image manipulation. Learn about performance bottlenecks and optimization strategies.
JavaScript Internals: Understanding Runtime Optimization and How to Write Performant Code
Jan 21, 2026.
Unlock peak JavaScript performance! Learn runtime optimization techniques, JIT compilation, and coding best practices for faster, more efficient code execution.
Power BI Dataset Size Limits and Real-World Workarounds
Jan 21, 2026.
Overcome Power BI dataset size limits! Learn practical workarounds like data reduction, incremental refresh, and optimization for faster, reliable reports.
Cache, Local Storage, and Modern Caching Techniques
Jan 19, 2026.
Boost web app performance! Learn the differences between cache, local storage, session storage, and cookies. Explore caching techniques like Write-Through, Write-Behind, and eviction strategies for optimal efficiency.
10 C# Features You’re Probably Using Wrong
Jan 20, 2026.
Avoid common C# pitfalls! Learn to use async/await, LINQ, records, and other features correctly for better performance, readability, and maintainability. Level up your C# skills!
Salesforce Bulk API Deep Dive for Enterprise Workloads
Jan 20, 2026.
Master Salesforce Bulk API for enterprise data! Learn to handle large data volumes asynchronously, avoid rate limits, and ensure reliable integrations.
How Query Folding Impacts Power BI Performance
Jan 20, 2026.
Unlock peak Power BI performance! Learn how query folding optimizes data processing, prevents bottlenecks, and ensures lightning-fast refreshes, especially with large datasets.
Common DirectQuery Performance Mistakes in Power BI
Jan 20, 2026.
Optimize Power BI DirectQuery! Avoid slow reports by understanding common mistakes: database optimization, DAX complexity, query folding, and report design. Build faster dashboards!
Power BI Performance Tuning Checklist for Enterprises
Jan 20, 2026.
Optimize Power BI performance! This checklist helps enterprises tackle slow dashboards, frozen filters, & delayed visuals. Improve data models & DAX for faster insights.
Power BI Data Modeling Mistakes That Kill Performance
Jan 20, 2026.
Optimize Power BI models! Discover common data modeling mistakes that kill performance, from star schema flaws to calculated column overuse. Build faster reports!
When Composite Models Fail and How to Fix Them in Power BI
Jan 20, 2026.
Unlock Power BI composite model performance! Learn why they fail (slow visuals, inconsistency) and get actionable fixes: optimize DirectQuery, relationships, & more.
How to Load Test Rust Services to Catch Memory Spikes Early
Jan 20, 2026.
Uncover hidden memory spikes in Rust services with load testing! Learn to simulate real-world traffic, monitor RSS, and test inside containers for stable production.
CDN - Edge Caching to Application Protection
Jan 20, 2026.
CDNs boost web performance, security, and availability by caching content at the edge. Protect your applications from DDoS attacks and ensure a seamless user experience.
Caching Strategies Explained: How Big Apps Stay Fast in India and Globally
Jan 20, 2026.
Discover how caching strategies power lightning-fast apps like Instagram & YouTube. Essential for backend developers in India & globally to build scalable systems.
Difference between native and cross platform app development
Jan 19, 2026.
What is the difference between native and cross platform app development? This article explains native vs Flutter vs React Native from a business and architecture perspective, covering cost, performance, time to market, hiring, and scalability to help you choose the right approach.
Flutter vs React Native: Which One To Choose
Jan 19, 2026.
Flutter vs React Native is one of the most searched topics in mobile development. This in depth article compares Flutter and React Native across performance, architecture, UI, hiring, cost, and scalability to help developers and business owners choose the right cross platform framework.
How Do Developers Debug ANR (App Not Responding) Issues on Android 14 Devices?
Jan 19, 2026.
Tackle Android 14 ANRs! Learn to debug App Not Responding errors with Google Play Console, Logcat, StrictMode, and Android Studio Profiler. Optimize your app now!
What Causes PostgreSQL Replication Lag to Spike Suddenly in Production?
Jan 19, 2026.
Sudden PostgreSQL replication lag spikes in production? This article dives into the common causes, from write traffic to slow disks, and how to troubleshoot them effectively.
How to Reduce Memory Usage in Rust Release Builds
Jan 19, 2026.
Optimize Rust release builds for lower memory usage! Learn practical techniques: smarter allocations, efficient data structures, and compiler tuning. Essential for production.
Rust Memory Optimization Checklist for Production (With Speed vs Memory Trade-offs)
Jan 19, 2026.
Optimize Rust memory in production! This checklist covers tuning, allocation, data structures, and concurrency for efficient, scalable applications. Learn speed vs memory trade-offs.
Why Does Enabling Wi-Fi 7 Not Improve Latency on Supported Hardware?
Jan 19, 2026.
Wi-Fi 7 disappoints on latency? This article explains why enabling Wi-Fi 7 doesn't automatically reduce lag. Learn about the real factors affecting network delay.
Wi-Fi 7 vs Wi-Fi 6E: Real-World Performance Differences
Jan 19, 2026.
Explore Wi-Fi 7 vs. 6E: Discover real-world performance differences in speed, latency, and crowded environments. Is the upgrade worth it? Find out now!
How Can Power BI Dashboards Slow Down Drastically with Large Datasets?
Jan 19, 2026.
Optimize Power BI dashboards for large datasets! Learn why they slow down & get 10 actionable tips to boost performance, ensuring responsive data visualization.
How to Optimize Power BI Reports for Large Datasets
Jan 19, 2026.
Optimize Power BI reports for large datasets! Learn data modeling, DAX optimization, and storage strategies for faster, reliable, and scalable performance.
Incremental Refresh in Power BI Explained Simply
Jan 19, 2026.
Unlock Power BI's potential with Incremental Refresh! Speed up data updates, reduce resource usage, and efficiently manage large datasets. Learn how it works!
What Causes Excel Formulas to Recalculate Unexpectedly in Large Workbooks?
Jan 19, 2026.
Tired of Excel slowing down? Discover the hidden culprits behind unexpected recalculations in large workbooks and learn how to optimize performance for smoother workflows.
Why Do Salesforce API Integrations Fail Intermittently Under Load?
Jan 19, 2026.
Uncover why Salesforce API integrations fail intermittently under load. Learn about rate limits, concurrency, timeouts, and optimization strategies for robust integrations.
How to Scale Salesforce API Integrations for High Traffic and Reliable Performance
Jan 19, 2026.
Scale Salesforce API integrations for high traffic! Learn to optimize performance, respect limits, and ensure reliable data flow with asynchronous processing.
Why are GitHub Copilot Suggestions Suddenly Slower or Less Accurate in Large Codebases?
Jan 17, 2026.
GitHub Copilot slower in large codebases? Discover why context limits, legacy code, and naming issues impact accuracy. Learn how to boost Copilot's performance!
Why Does Docker Container Memory Usage Keep Increasing Over Time?
Jan 16, 2026.
Troubleshoot Docker container memory growth! Learn why memory usage increases over time, identify root causes like leaks and caching, and implement effective solutions.
Why Does React Re-render Components Even When State Values Haven’t Changed?
Jan 16, 2026.
Uncover why React re-renders components even when state values seem unchanged! Learn about reference equality, context updates, and optimization techniques for efficient apps.
Proxy Infrastructure for Secure and Scalable Access
Jan 16, 2026.
Secure your network with proxy servers! Learn how they enforce policies, optimize performance, and provide crucial security, control, and visibility for enterprises.
How to Improve Performance in C# Applications
Jan 16, 2026.
Boost C# app performance! Learn proven techniques: reduce allocations, use async, optimize data structures, and more. Build faster, scalable, reliable apps.
Why ASP.NET Core Feels Fast Locally but Slow in Production
Jan 15, 2026.
ASP.NET Core apps often feel fast locally but slow in production due to environment settings, hosting limits, database and EF Core query issues, async blocking, logging overhead, cold starts, caching mistakes, and network latency. This guide shows the root causes plus code examples to diagnose and fix them.
How to Improve Performance in C# Applications
Jan 15, 2026.
Boost C# app speed! Learn practical tips to optimize performance: efficient loops, memory management, async programming, caching, and smart data structures.
How to Optimize SQL Queries for Large Datasets
Jan 15, 2026.
Boost SQL query speed on large datasets! Learn indexing, efficient queries, and optimization techniques for MySQL & PostgreSQL. Improve performance now!
Using C# 14 with gRPC Instead of REST: Build a Customer Microservice (with Benchmarks)
Jan 13, 2026.
Discover why gRPC outperforms REST with Protobuf contracts, streaming, and JSON vs Protobuf BenchmarkDotNet benchmarks.
Enabling React Server Components in Existing Applications
Jan 13, 2026.
Migrating to React Server Components? This guide simplifies the process for existing apps. Learn to refactor, manage boundaries, and boost performance. #RSC
Performance Regressions After Recent Chrome and Lighthouse Updates: What Changed and Why It Matters
Jan 13, 2026.
Chrome & Lighthouse updates caused performance regressions! Learn why Core Web Vitals, JavaScript, & third-party scripts are penalized more. Adapt your strategy now!
How Can I Optimize a Slow MySQL Query with Multiple Joins?
Jan 14, 2026.
Optimize slow MySQL queries with multiple joins! Learn indexing, EXPLAIN, filtering, and join strategies for faster performance. Boost database efficiency now!
Python 3.13 Changes That Impact Production Code: What Developers Need to Know
Jan 12, 2026.
Explore Python 3.13's impact on production: performance boosts, deprecated features, and key changes for backend, APIs, and cloud apps. Upgrade with confidence!
Performance Issues After Node.js Upgrades: Common Problems Developers Are Reporting
Jan 12, 2026.
Node.js upgrades can introduce performance regressions. Learn common issues like memory leaks, event loop delays, and dependency conflicts. Upgrade safely!
Frontend Performance Issues in Lighthouse Audits: Key Factors Affecting Scores
Jan 12, 2026.
Improve Lighthouse scores by tackling frontend performance issues! Learn to optimize LCP, FID, CLS, reduce JS, and boost speed for better UX and SEO rankings.
Optimizing .NET App Performance: How Developers in India and Globally Can Build Faster Applications
Jan 13, 2026.
Boost .NET app performance! Learn AOT compilation, diagnostics, async programming, and memory management. Essential for developers in India and globally.
Smarter Memory Management for Long-Running Apps: ASP.NET Core in .NET 10 Automatically Releases Unused Pooled Memory
Jan 12, 2026.
.NET 10 enhances ASP.NET Core with automatic pooled memory trimming, reducing memory usage in long-running apps like APIs and services. Learn how it works and benefits you!
Anti-Patterns to Avoid When Using Memory Pools in ASP.NET Core
Jan 12, 2026.
Discover the top 10 memory pooling anti-patterns in ASP.NET Core from an MVP perspective. Learn how to avoid runaway memory usage, GC pressure, and false memory leaks while leveraging .NET 10’s automatic pool trimming.
React Server Components in Production: Real-World Problems They Solve and When to Use Them
Jan 12, 2026.
Discover React Server Components: Solve real-world production problems like large bundles & slow loads. Boost performance, security & SEO. Learn when to use them!
Why ASP.NET Core Is a Top Choice for Web Development in 2026
Jan 09, 2026.
Why ASP.NET Core is a top choice for web development in 2026. Learn about real-world performance, cloud-native architecture, security, APIs, DevOps readiness, and enterprise adoption.
C# for Everything: One Language Powering the Modern Software World
Jan 10, 2026.
C# is no longer just a backend language. Learn how C# powers web, cloud, mobile, desktop, games, and AI in 2026 with one ecosystem.
How Do I Improve Performance in ASP.NET Core APIs?
Jan 09, 2026.
Learn how to speed up ASP.NET Core APIs with real engineering techniques covering middleware, routing, JSON, EF Core, caching, async, concurrency, logging, HTTP, and deployment tuning, with code examples and a production checklist.
Redis Anti-Patterns: Common Mistakes That Break Performance, Reliability, and Trust
Jan 08, 2026.
A practical, human written guide to Redis anti-patterns. Learn the most common Redis mistakes teams make in production, why they happen, and how to avoid them before they turn into outages.
DAX Query View in Power BI Desktop: Why It Matters and How It Elevates Your Data Modeling
Jan 05, 2026.
In this article, I talked about unlocking Power BI's potential with DAX Query View! Explore, debug, and optimize DAX queries directly in Desktop. Elevate data modeling and build reliable reports. I also covered how to evaluate and create a new DAX measures from the DAX query view
How to Monitor Redis in Production: Metrics, Alerts, and Real World Signals That Matter
Jan 06, 2026.
A practical, human written guide to monitoring Redis in production. Learn which Redis metrics actually matter, how to spot problems early, and what teams usually miss until it is too late.
Redis Performance Tuning: Practical Techniques for High Throughput and Low Latency
Jan 06, 2026.
A practical guide to Redis performance tuning. Learn how real-world systems keep Redis fast under load, avoid Redis latency spikes, and safely scale Redis in production environments.
Observability Becomes a First-Class Feature in ASP.NET Core
Jan 03, 2026.
Unlock ASP.NET Core's built-in observability! Monitor app health with metrics, logs, and tracing. Learn setup, coding examples, dashboards, and production tips.
Redis Performance Tuning: Practical Techniques for High Throughput and Low Latency
Jan 02, 2026.
A practical, human written guide to Redis performance tuning. Learn how real systems keep Redis fast under load, avoid latency spikes, and scale safely in production.
Evaluating the Performance Impact of JPA Lazy and Eager Loading in Java Applications
Jan 02, 2026.
Understand the performance impact of JPA lazy and eager loading in Java applications. Learn how fetch strategies affect database queries, memory usage, and real-world application performance.
Optimize MySQL queries in Java applications for better performance?
Jan 02, 2026.
Learn simple and effective ways to optimize MySQL queries in Java applications. Understand indexing, query design, JDBC best practices, connection pooling, and real-world performance tips.