mysql-sum-function

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How to Use DropColumns in Power Apps: Remove Unwanted Columns from DataJul 24, 2026. Master Power Apps' DropColumns() to efficiently remove unwanted columns from tables, collections, and data sources, simplifying your data.
Background Processing in ASP.NET Core: Choosing the Right ApproachJul 23, 2026. Master ASP.NET Core background processing! Compare BackgroundService, Hangfire, Quartz.NET, Azure Functions & Service Bus for optimal performance.
Azure Functions vs Azure Container Apps: Choosing the Right Serverless PlatformJul 20, 2026. Compare Azure Functions vs. Azure Container Apps for serverless. Choose the right platform based on workload, scalability, and deployment needs.
Max Absolute Difference of Two Subarrays (Kadane's Algorithm)Jul 17, 2026. Solve the max absolute difference of two non-overlapping subarrays in O(n) using Kadane's Algorithm and four helper arrays.
Count N-Digit Numbers with Given Digit Sum Using Dynamic ProgrammingJul 16, 2026. This article explains how to solve the Numbers with Given Digit Sum problem using Dynamic Programming (DP). Starting from the brute-force approach, it gradually builds the DP solution with state definition, transition formula, initialization, dry run, Java implementation, and time and space complexity analysis. The explanation is beginner-friendly and suitable for coding interview preparation.
Count N-Digit Numbers With Given Digit Sum Using Dynamic ProgrammingJul 14, 2026. The Global Interpreter Lock is a relic of Python’s early design, but it remains a critical factor in modern system architecture. By understanding the distinction between I/O-bound and CPU-bound workloads, and knowing when to deploy multi-processing to bypass the GIL, you can build highly performant, scalable AI systems.
Cloudflare Workers Tutorial: Building Applications at the EdgeJul 15, 2026. Learn how to build and deploy edge applications with Cloudflare Workers, enabling low-latency APIs, serverless computing, and globally distributed applications.
How to Use AddColumns() Function in Power AppsJul 14, 2026. Master Power Apps' AddColumns() to create dynamic, calculated columns without altering your data source. Enhance efficiency and readability.
Semantic Kernel Plugins Explained: Extending AI Applications with .NETJul 13, 2026. Unlock AI potential with Semantic Kernel Plugins! Extend .NET apps to interact with databases, APIs, and real-world systems for powerful AI agents.
Ways to Express a Number as Sum of Consecutive Natural NumbersJul 10, 2026. Discover how to express a number as a sum of consecutive natural numbers efficiently. Learn the O(vn) mathematical approach.
Count Pairs in an Array Whose Sum Is Divisible by KJul 09, 2026. Master counting pairs divisible by K in Java. Learn the optimized O(n) approach using remainders and frequency arrays.
Vitess Explained: Scaling MySQL Databases for Modern ApplicationsJul 09, 2026. Vitess scales MySQL horizontally for modern apps. Discover its architecture, sharding, and benefits for high-traffic, large-dataset applications.
Avoid Delegation Warnings When Using If() Inside Filter() in Power AppsJul 09, 2026. Avoid If() inside Power Apps Filter() to prevent delegation issues. Learn how to optimize your formulas for large datasets.
Maximum Sum Path in Two Sorted Arrays (Java)Jul 06, 2026. Find the maximum sum path in two sorted arrays with distinct integers, allowing switches at common elements.
How to Use the GroupBy Function in Power Apps Jul 06, 2026. Master Power Apps GroupBy() for efficient data organization, hierarchical galleries, and powerful summary reports. Elevate your app development!
Count Substrings with More 1's than 0'sJul 04, 2026. Efficiently count binary substrings with more 1s than 0s using prefix sums and Fenwick trees in O(N log N) time.
USERPRINCIPALNAME DAX FunctionJul 02, 2026. Unlock Power BI dynamic security with USERPRINCIPALNAME(). Securely filter data by user email for personalized, scalable reports in the Power BI Service.
Check Subset Sum Divisible by K (Dynamic Programming)Jul 02, 2026. Solve the Subset Sum Divisible by K problem efficiently using dynamic programming. Avoid brute force by tracking remainders modulo K.
Maximum Subarray Sum by Removing At Most One Element (DP)Jul 01, 2026. Master the Maximum Subarray Sum problem with at most one deletion using dynamic programming. Optimize with O(N) time and O(1) space.
How to Convert Text into Currency ($) Format in Power AppsJul 01, 2026. Learn to format numbers as currency in Power Apps using the Text() function for professional and readable financial data display.
Maximum Number of People DefeatedJun 23, 2026. Find the max people defeated by strength p. Uses sum of squares formula & binary search for efficient O(log n) solution.
📖 Mastering .NET Interviews – Part 8: Azure & Cloud IntegrationJun 20, 2026. Master .NET interviews: Dive into Azure & Cloud Integration, covering App Services, Functions, Cosmos DB, and deployment best practices.
Equalize All Prefix SumsJun 19, 2026. Optimize array transformations by finding the minimum operations to equalize prefix sums using median and prefix sum techniques for O(n) efficiency.
Assigning Microsoft Graph API Application Permissions to a Managed Identity Using Azure CLIJun 15, 2026. Securely assign Microsoft Graph API application permissions to Azure Managed Identities using Azure CLI. Learn to retrieve App Role IDs and understand required Entra roles.
Designing AI Workflows with Durable Functions and Azure OpenAIJun 16, 2026. Design scalable AI workflows with Durable Functions & Azure OpenAI. Orchestrate complex tasks, manage state, and integrate AI for enterprise solutions.
Complete Practical Guide to Design, Build, Test, and Maintain End to End Solutions in Microsoft AzureJun 15, 2026. Complete Practical Guide to Design, Build, Test, and Maintain End to End Solutions in Microsoft Azure
Event-Driven AI Agents with Azure Functions and Semantic KernelJun 08, 2026. Learn how to build event-driven AI agents using Azure Functions and Semantic Kernel. Discover serverless AI architectures, event processing patterns, and best practices for enterprise .NET applications.
Building a Natural Language API Gateway Using ASP.NET Core and AIJun 08, 2026. Learn how to build a Natural Language API Gateway using ASP.NET Core and AI. Discover intent detection, API orchestration, structured outputs, security controls, and enterprise implementation patterns.
Count Subset With Target Sum II – Meet in the Middle Java SolutionJun 05, 2026. Learn how to solve Count Subset With Target Sum II using the Meet in the Middle technique. Includes intuition, dry run, complexity analysis, and optimized Java code.
Implementing Row-Level Security in SQL ServerJun 03, 2026. Learn how to implement Row-Level Security in SQL Server. Secure data access, restrict rows by user, and simplify multi-tenant application security.
Becoming AI-Native in Enterprise Architecture: From Documentation Function to Intelligent Operating LayerMay 19, 2026. Explore AI-native enterprise architecture: Transform from documentation to an intelligent operating layer. Enhance decision-making, governance, and speed with AI. Human oversight remains key.
Count of repeating character patterns in a string using MySQLMay 13, 2026. Discover how to count repeating character patterns in strings using MySQL. This tutorial provides a step-by-step guide with code examples for text analysis and pattern recognition.
Azure App Service vs Azure Functions: When to Use What in Real ProjectsMay 06, 2026. Unlock the power of Azure! Choose App Service for web apps & APIs needing continuous availability. Opt for Functions for event-driven, serverless tasks. Hybrid is key!
Understanding Lookup() and Filter() function in PowerAppsMay 06, 2026. Understand the difference between Lookup() and Filter() in PowerApps. Learn when to use each function to retrieve single or multiple records from your data source.
Sort() vs SortByColumns() function in PowerAppsMay 05, 2026. Understand the difference between Sort() and SortByColumns() in PowerApps for efficient data sorting. Learn when to use each function with practical examples and improve your app's performance. Discover the best approach for your sorting needs!
Partitions with Given DifferenceApr 27, 2026. Solve partition problems by transforming them into subset sum problems! This DP approach efficiently counts subsets with a specific difference. Learn the key formula!
Max Sum Subarray of Size KApr 27, 2026. Master the sliding window technique to find the maximum sum subarray of size K. This guide provides a clear explanation, Java code, and complexity analysis.
Split Array into Two Equal Sum SubarraysApr 23, 2026. Learn how to efficiently determine if an array can be split into two contiguous subarrays with equal sums using the prefix sum technique. Optimal O(n) solution!
How to Set Default Value in PowerApps People PickerApr 22, 2026. Solve the PowerApps People Picker default value issue! This guide provides a simple solution using Coalesce to auto-populate with the current user in new forms. Improve user experience and streamline data entry for SharePoint and Dataverse.
Mean of Range in Array Using Prefix SumApr 22, 2026. Using the Prefix Sum technique, we can efficiently solve range-based problems like finding the mean of subarrays. This approach is simple, fast, and highly scalable.
What is Stored Procedure vs Function in SQL with Examples?Apr 17, 2026. Unlock the power of SQL! Learn the key differences between Stored Procedures and Functions with examples. Optimize database operations and boost performance. Discover when to use each for efficient, scalable applications.
Mastering URI & Data Conversion Functions in Power Automate (Step-by-Step Guide)Apr 13, 2026. Master Power Automate's URI & data conversion functions! Learn to use dataUri(), encodeUriComponent(), and more with practical examples for seamless API integration.
How to Use Window Functions in SQL Server With Practical Examples?Apr 06, 2026. Unlock SQL Server's power with window functions! Learn to calculate rankings, running totals, and more without losing row details. Boost your data analysis skills!
Difference Between WHERE and HAVING Clause in SQL?Apr 03, 2026. Unlock the power of SQL filtering! Learn the key differences between WHERE and HAVING clauses, when to use each, and how to optimize your queries for peak performance.
How to Use Confirm Function in PowerApps (Modern Dialog Confirmation Box)Apr 03, 2026. Master the Power Apps Confirm function! Learn how to easily create modern confirmation dialog boxes for user actions like deleting records or submitting forms. Simplify your app development today!
If() vs Switch() Functions in Power AppsApr 03, 2026. Master PowerApps formulas! Learn when to use If() vs. Switch() for efficient and readable code. Explore examples and best practices for optimal performance in your apps.
Error Handling in PowerAppsMar 31, 2026. Learn error handling in PowerApps! This guide covers IfError(), IsError(), Errors(), and Notify() functions, plus best practices for robust app development. Improve user experience and debug effectively.
Building Your First AI Agent: A Step-by-Step Guide to Using Tools and APIsApr 01, 2026. Build your first AI agent! This step-by-step guide covers selecting an LLM, integrating tools/APIs, function calling, and setting up the agent loop for success.
What is Function Calling in OpenAI API and How to Use It?Apr 01, 2026. Unlock the power of OpenAI's function calling! Learn how to integrate AI with external systems, automate tasks, and build smarter applications. Step-by-step guide included.
How to Fix Database Deadlocks in SQL Server or MySQLMar 23, 2026. Learn how to fix and prevent database deadlocks in SQL Server and MySQL. Discover common causes, detection methods, and practical solutions for high-traffic apps.
How to Use the Concurrent Function in Microsoft Power AppsMar 20, 2026. Unlock Power Apps concurrency! Learn how to use the Concurrent() function to load data faster, improve performance, and enhance user experience. Optimize your app now!
How to Implement Tool Calling in LLMs for Real-World Automation TasksMar 17, 2026. Unlock real-world automation with LLM tool calling! Learn how to connect LLMs to external tools for tasks like API calls, data fetching, and more. Build smarter AI agents.
What Is Edge Rendering and How to Implement It Using Next.jsMar 17, 2026. Discover edge rendering, a modern web architecture technique for faster content delivery using Next.js. Learn how to implement it for high-performance applications.
Using the With() Function to Improve Formulas in Power ApplicationsMar 12, 2026. Simplify Power Apps formulas with the With() function! Learn how to reduce repetition, improve readability, and enhance maintainability for efficient app development.
Power BI RANDBETWEEN DAX Function (With Practical Examples)Mar 12, 2026. Learn how to use the RANDBETWEEN DAX function in Power BI to generate random numbers for testing, demos, and simulations. A quick guide with practical examples!
How to Use Confirm function in PowerAppsMar 10, 2026. Learn how to use the Confirm() function in Power Apps to prevent accidental actions! This guide covers syntax, examples, and best practices for user confirmation. Control your app logic!
What Is Edge Rendering and How It Boosts Web App SpeedMar 06, 2026. Edge rendering boosts web app speed by processing content closer to users via distributed servers. Reduce latency and improve user experience globally! #webperf
Getting Started with Azure Functions in .NETMar 04, 2026. Dive into serverless computing with .NET and Azure Functions! Learn to write, deploy, and configure your first function app, including essential post-publish environment setup.
What Is Function Calling in LLMs and How Do Developers Use It?Mar 03, 2026. Function calling empowers LLMs to trigger backend functions via structured JSON, enabling seamless AI integration with applications. Automate workflows and more!
How to Fix Delegation Warnings and Handle 10,000+ Records in Power Apps with SharePointFeb 26, 2026. Delegation issues can break your Power Apps solution when working with large SharePoint lists. This article explains why delegation warnings occur and provides a practical, step-by-step solution to build scalable, high-performance apps without data loss.
Different Types of Database Providers in ASP.NET CoreFeb 27, 2026. Explore the different types of database providers in ASP.NET Core including EF Core, SQL Server, PostgreSQL, MySQL, SQLite, MongoDB, Cosmos DB, Dapper, and ADO.NET. Learn how to choose the right provider with real-world coding examples and best practices for scalable, high-performance applications.
How to Fix Patch Not Working & Duplicate Records in Power AppsFeb 27, 2026. Solve Power Apps Patch issues! Prevent duplicate records and silent failures when saving data to SharePoint. Learn to update or create records reliably using LookUp. In real-world Power Apps projects, Patch failures and duplicate SharePoint records are common challenges that impact data integrity and user experience. This article explains the root causes behind these issues and how to handle them effectively. Learn practical techniques like proper form validation, conditional Patch logic, and duplicate checks. A real-world scenario walkthrough makes it easy to implement these solutions in your own apps.
How Variables Work in Power Apps - Set vs UpdateContext vs Collections Feb 27, 2026. Master Power Apps variables! Learn when to use Set(), UpdateContext(), and ClearCollect() for efficient data management, global states, and screen-specific logic. Build cleaner, more professional apps. Variables are essential for managing data and state in Power Apps, but understanding the difference between Set, UpdateContext, and Collections can be confusing for beginners. This article clearly explains when and why to use each type of variable. Learn the scope, behavior, and real-world usage scenarios with simple examples. A beginner-friendly guide to help you write cleaner and more efficient Power Fx formulas.
How to Use the Index Function in Power AppsFeb 27, 2026. Master the Power Apps Index function! Learn how to retrieve specific items from collections and tables by position, enhancing app interactivity and efficiency. Dynamic data selection made easy!
User() vs Office365Users() in Power Apps — What’s the Real Difference?Feb 26, 2026. Confused about User() vs Office365Users() in Power Apps? This guide clarifies their differences, use cases, performance, delegation, and best practices for optimal app development. Learn when to use each function for efficient user information retrieval.
Difference Between Azure Functions and Azure App Service?Feb 25, 2026. Explore the key differences between Azure Functions and Azure App Service for cloud-native apps. Optimize cost, scalability, & performance on Microsoft Azure. Choose wisely!
What is the Difference Between Azure Functions and Azure App Service?Feb 24, 2026. Explore Azure Functions (serverless, event-driven) vs. App Service (PaaS, continuous). Understand architecture, scaling, cost, and use cases for optimal cloud solutions.
Building a Reusable Functional Component in Power AppsFeb 24, 2026. Simplify Power Apps development! Learn how to build reusable function components to avoid repetitive formulas, improve maintainability, and enhance scalability.
Multiple Forms Using ForAll in Power AppsFeb 23, 2026. Simplify Power Apps form management! Learn how ForAll() streamlines actions like reset, edit, and submit across multiple forms, boosting scalability and code clarity.
Migrate C# Azure Functions from In-Process to the Isolated Worker ModelFeb 20, 2026. Microsoft Azure Functions has been a popular platform for building serverless applications in .NET using the in-process execution model. However, with the evolution of .NET and the need for greater control, isolation, and long-term support, Microsoft now recommends migrating to the .NET isolated worker model. In this article, we’ll walk through why this migration is necessary, what drivers make it critical for enterprises, how the in-process and isolated worker models differ, the trade-offs and cost impact, and a practical step-by-step migration approach with code samples based on Microsoft’s official guidance.
How to Use logical functions in PowerAppsFeb 17, 2026. Master PowerApps logical functions (If, And, Or, Not) to build dynamic, responsive apps! Learn to validate input, control behavior, and enhance user experience.
How to Use Expressions in Power Automate Feb 18, 2026. Unlock Power Automate's potential! Learn how expressions dynamically manipulate data, add logic, and control automation. Master text, dates, arrays, and more for smarter flows.
SQL Window Functions Explained – Examples & Best PracticesFeb 18, 2026. Unlock the power of SQL Window Functions! Master ranking, aggregation, and value-based functions with practical examples and best practices for data analysis.
How Does MongoDB Work Compared to MySQL?Feb 18, 2026. Explore the key differences between MongoDB and MySQL: data models, scalability, schema flexibility, and best use cases for modern application development.
How to Use User Defined Function (UDF) in Power AppsFeb 17, 2026. Master Power Apps User Defined Functions (UDFs)! Learn to create reusable formulas, simplify complex calculations, and build scalable, maintainable apps. Examples included!
Why Does MySQL Lock Tables During Heavy Traffic?Feb 13, 2026. Unlock MySQL performance! Discover why table locking occurs during heavy traffic, impacting speed. Learn to optimize InnoDB, indexing, and transactions for scalability.
How to Enhancing User Engagement through Power AppsFeb 09, 2026. Personalize Power Apps with dynamic user experiences! Learn how to use User() and Office365Users to tailor content, roles, and dashboards for better engagement.
MongoDB vs MySQL: Which Database Should You Choose and WhyFeb 03, 2026. Explore MongoDB vs MySQL: a detailed comparison to help you choose the right database for your project. Understand data models, scalability, and use cases.
PowerApps: When to Use If() vs Switch() FunctionsJan 28, 2026. Understand when to use If() vs. Switch() in PowerApps for optimal code readability and maintainability. Learn to choose based on logic structure, not performance.
How to Reduce Cold Start Delay in Serverless FunctionsJan 28, 2026. Reduce serverless cold starts! Learn practical techniques to minimize delays in function execution, improving response times and user experience. Optimize now!
Using the Search() Function in Power Apps with a DemoJan 19, 2026. Learn how to use the Search() function in Power Apps to create a real-time employee search feature. This demo provides a step-by-step guide with code examples.
Getting Started with Rue ProgrammingJan 18, 2026. Rue is a modern beginner-friendly programming language designed for clarity, safety, and readability. This in-depth tutorial helps beginners and experienced developers understand Rue from scratch, covering core programming concepts such as variables, conditions, loops, functions, data structures, and error handling. By building a simple interactive application step by step, readers learn how to think like a programmer while writing clean, human-readable code. Perfect for anyone starting their programming journey or exploring new languages with a focus on simplicity and intent-driven design.
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.
Understanding the LOOKUPVALUE DAX Function in Power BIJan 17, 2026. In this article, I demonstrated how to master the LOOKUPVALUE DAX function in Power BI W lean how to fetch values between tables without relationships, similar to VLOOKUP, and when to use it effectively.
Use Concat() Function In Power AppsJan 16, 2026. Master the Power Apps Concat() function! Learn how to combine text values from tables into a single string with separators. Includes a step-by-step tutorial and examples.
Building a Serverless PAN Validation API Using Azure Functions & Power PlatformJan 16, 2026. Build a serverless PAN validation API using Azure Functions, Power Automate, and Power Pages. Validate identity details without backend infrastructure code.
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!
Implementing Search Functionality in Power Apps Using the Search() FunctionJan 13, 2026. Learn to implement dynamic search in Power Apps using the Search() function! Filter collections with a text input and gallery for a user-friendly experience. Perfect for small apps!
Use Concatenate() In Power Apps (Fx) FunctionJan 13, 2026. Master the Power Apps Concatenate() function! Learn to combine text strings, create dynamic messages, and enhance your app's user experience. Step-by-step guide included.
Methods in C# – A Complete and Practical GuideJan 11, 2026. Master C# methods! This guide covers syntax, parameters, return values, overloading, static/instance methods, ref/out, and best practices for clean, scalable code.
3 Sum Problem in DSA (Example and Optimized Solution)Jan 08, 2026. Learn the 3 Sum Problem in DSA with a simple and clear explanation. This beginner-friendly article explains the optimized approach step by step with examples and clean code.
Remove and RemoveIf Functions in PowerAppsJan 08, 2026. Master PowerApps data management! Learn to use Remove and RemoveIf functions to efficiently delete specific records or those matching conditions from your data sources.
Maximum Subarray Sum Using Kadane’s Algorithm (DSA Explained with Example)Jan 07, 2026. Learn how to solve the Maximum Subarray Sum problem using Kadane’s Algorithm. This beginner-friendly DSA article explains the concept step by step with examples, code, and time complexity.
Two Sum Problem in DSA (Array + HashMap Approach)Jan 07, 2026. Learn the Two Sum Problem in DSA using a simple Array and HashMap approach. This beginner-friendly article explains the logic step by step with examples and clean code.
Building Smarter Galleries in PowerApps with Table & Record FunctionsJan 06, 2026. Learn to build dynamic PowerApps galleries using Table & Record functions! Master AddColumns, DropColumns, RenameColumns, and ShowColumns for optimized data display.
Power Apps Quick Functions – A Simple GuideJan 05, 2026. Power Apps functions are built-in formulas that help developers control how an app works. These functions are used to handle logic, manage data, control user actions, and improve the overall user experience. They allow you to build powerful applications with minimal code by defining what should happen when users interact with the app.
Knowing When (and When Not) to Use Cloud FunctionsJan 03, 2026. Unlock the power of Cloud Functions! Learn when to leverage serverless FaaS for event-driven tasks and when to choose containers or VMs. Optimize your cloud architecture!
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.
How to Use With() Function in Power AppsJan 01, 2026. Master the Power Apps With() function! Simplify complex formulas, create temporary variables, and enhance readability. Explore 15 practical examples for efficient coding.
How to Keep Your API Keys Safe in SPFx Applications?Dec 28, 2025. Secure your SPFx applications! Learn how to protect API keys and secrets using Azure Key Vault, Azure Functions, AadHttpClient, and secure CI/CD pipelines. Avoid hardcoding!

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