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🔍 Results for “mysql alter table add column”

Fix MySQL Error #1050: Table Already Exists – Causes, Solutions & Best Practices for Database Design

When working with MySQL databases, especially during development or deployment of applications like license management systems, you may encounter the error:#1050 - Table 'licenses'…

Knowledge Base Articles Not Showing Publicly: Root Cause Analysis and Permanent Resolution

A common issue in custom Knowledge Base (KB) systems is a mismatch between articles visible in the database and articles displayed on the public KB pages. This typically occurs due…

How to Export Unicode Data (Hindi & Punjabi) from phpMyAdmin to Excel and Import Back Without Errors

Managing multilingual databases can be challenging, especially when your website stores content in languages like Hindi and Punjabi. Many website administrators face a common issue…

Build Your Own Secure Live Stock Market Dashboard in PHP (India NSE/BSE Guide)

Build a Secure Live Stock Market Dashboard in PHP & MySQL Using API (India NSE/BSE, Futures & Options Tracking)IntroductionRetail traders and IT professionals often rely on…

Smart Autocomplete Dropdown System for AMC Management Using PHP, MySQL and jQuery UI

Administrative systems like AMC (Annual Maintenance Contract) management often suffer from inconsistent data entry when users repeatedly type similar values such as service types o…

Microsoft Excel Features and Shortcut Commands for Everyday Productivity

Microsoft Excel is a powerful spreadsheet application used daily for data entry, calculations, reporting, analysis, and decision-making. While many users rely on mouse-driven actio…

Website Downtime / Website Outage – Technical Troubleshooting & Resolution Guide

A website is considered down or experiencing an outage when users cannot access it or when critical functionality fails. Downtime may be total (site unreachable) or partial (slow r…

Ultimate Step-by-Step Guide to Launching an AWS EC2 Ubuntu Server and Installing WordPress with Apache

WordPress powers over 40% of the internet, and hosting it on Amazon Web Services (AWS) gives you the flexibility, security, and scalability you need. This guide will walk you throu…

Camera Tripods and Monopods Explained: Types, Materials, Sizes, Quality, and Professional Usage Guide

Tripods and monopods are mechanical stabilization systems designed to support cameras during photography, videography, broadcasting, and industrial imaging. They play a critical ro…

Building a Secure PHP Admin Panel with Session Authentication, TinyMCE Editor, and Smart Slug Generation for a Content Management System

Building a lightweight custom Content Management System (CMS) in PHP is still a practical solution for many small websites, blogs, and digital publications. While large platforms l…

How to Embed a Google Form in an HTML Page with Centered Layout, Custom Background, and Heading

This Knowledge Base article explains how to properly embed a Google Form inside a custom HTML page while: Centering the form on the page Applying a custom background color …

Outlook Signature Spacing: Reliable Layout Control Using Table-Based Spacer Rows (blank line insert)

This Knowledge Base (KB) article explains Outlook-safe spacing techniques for HTML email signatures using table-based spacer rows. It is intended for: IT Professionals Syst…

Motor Insurance in India: IRDAI-Registered Insurers, Registration Norms, Buying Criteria, and Claim Process

Motor insurance in India is a regulated financial product covering third-party legal liability (mandatory by law) and optionally own-damage (vehicle repair/replacement) plus add-on…

BlueScreenView by NirSoft — Windows BSOD Crash Analysis Utility (Professional Knowledge Base Article)

BlueScreenView is a free, lightweight diagnostic utility developed by NirSoft for Windows systems. It scans and displays detailed information from minidump crash files created when…

How to Open Outlook in Safe Mode – Quick & Easy Guide

Safe Mode in Outlook is a diagnostic startup mode that runs the application with only its core features, while disabling add-ins, custom toolbars, and other non-essential component…

How to Use ChatGPT and AI Tools to Build Excel Dashboards Without Remembering Formulas

IntroductionCreating dashboards in Excel is one of the most powerful ways to visualize data and make smarter decisions. However, for many users, remembering complex formulas like V…

XAMPP Control Panel Crash: Fixing Exception EAccessViolation in xampp-control.exe on Windows

This Knowledge Base article provides a technical deep-dive and remediation guide for resolving the Windows application error: Exception EAccessViolation in module xampp-control.ex…

What Is SQL? Origin, Purpose, Benefits, and the Organizations Behind It

SQL (Structured Query Language) is the standard language used to store, retrieve, manage, and manipulate data in relational database systems. It is a foundational technology in IT,…

Windows Web Hosting: Architecture, Features, Use Cases, and Implementation Guide

Windows Web Hosting is a web hosting model where websites and web applications run on Microsoft Windows Server using Microsoft’s web and application stack. It is commonly used for …

How to Properly Size and Configure an NVMe VPS for Web Hosting (Ubuntu)

Selecting a VPS for web hosting involves far more than choosing RAM, CPU, and storage numbers. Improper sizing or missing configuration details often lead to performance issues, st…

Complete Step-by-Step Guide to Restore an Old WordPress Website Backup on a New Hosting Server

Migrating your old WordPress website to a new hosting provider might seem challenging, but with the right steps, it’s easy and smooth. If you’ve already taken a full website backup…

What Is PHP? Origin, Organizations Behind It, Benefits, and Practical Usage

PHP (Hypertext Preprocessor) is a widely adopted server-side scripting language designed primarily for web development. It is one of the core technologies of the web, used to build…

Resolving Printer Error Code 0x00000bc4 in Windows: A Complete Guide

Introduction Printer errors can be a common annoyance for Windows users, and error code 0x00000bc4 is no exception. This error typically occurs when attempting to add or access a n…

Excel Files Not Opening on Double-Click in Windows (Opens Only from Inside Excel)

A common issue on Windows systems is when Microsoft Excel files do not open by double-clicking, but open successfully when launched from within Excel using File → Open. This behavi…

TallyPrime Developer vs Normal TallyPrime – Features, Use Cases & Technical Differences

TallyPrime is widely used for accounting, compliance, and business management. Alongside the standard (normal) TallyPrime edition used for day-to-day operations, there is a special…

Understanding Keyboard Key Remapping Using SharpKeys in Windows

Keyboard key remapping is a common requirement in IT environments where hardware limitations, faulty keys, user preferences, or specialized workflows demand changes in default keyb…

Fix Facebook App Showing Only One Account After Update — Add or Switch Multiple Facebook Accounts Easily - 2025

Many Facebook users who used to manage multiple accounts on their Android phones have recently noticed a big change. After updating the Facebook app, they can no longer switch betw…

Camera Lens Filters Explained: Types, Quality, Sizes, Brands, Usage, and Maintenance Guide

Lens filters are optical accessories mounted in front of camera lenses to control light, protect optics, and modify image characteristics. They are widely used across DSLR cameras,…

SQL Server Backup and Restore Using NoSky Cloud Backup Solution – Technical Knowledge Base

Databases are among the most critical assets in any IT environment. Microsoft SQL Server hosts transactional and operational data that must be protected against accidental deletion…

Cygnet FACE – GST Compliance, Reconciliation & Automation Platform | Technical Knowledge Base

Cygnet FACE is an enterprise-grade GST compliance and reconciliation platform developed by Cygnet Infotech Private Limited. FACE (Fully Automated Compliance Engine) is designed to …

How to Read and Understand Credit Card Statements in India (Complete Guide)

Credit card statements issued by Indian banks often contain technical terminology, abbreviations, and multiple charges that can confuse customers. Misunderstanding these terms may …

Lighting Modifiers for Cameras: Umbrellas, Lightboxes, Softboxes, and Control Tools – Technical Guide

In photography and videography, light modifiers such as umbrellas, softboxes, reflectors, grids, and snoots are essential tools that shape, diffuse, and control light. While light …

Amazon Web Services (AWS): Detailed Technical Overview, Core Features, and Practical Examples

Amazon Web Services (AWS) is a comprehensive cloud computing platform that provides on-demand infrastructure, platforms, and managed services over the internet. Instead of buying a…

Delayed Delivery of HTML Signature Emails with Inline or Hosted Logos – Technical Analysis & Troubleshooting Guide

This knowledge base article provides a technical deep dive into why emails containing HTML signatures with embedded or hosted logos/images may experience delayed delivery when sent…

Shortcut Keys and Key Combinations in Tally Prime for Fast Work

Article Summary This article provides an overview of the most commonly used shortcut keys and key combinations in Tally Prime to help users improve their efficiency and productivit…

HWiNFO Explained: Complete Hardware Monitoring Tool, Benefits, and Best Alternatives

HWiNFO (Hardware Information) is a powerful system information, hardware monitoring, and diagnostics utility for Windows (and limited DOS support). It is widely used by IT professi…

File Sharing Software and Online Platforms: Secure Design, Implementation, and Best Practices

File sharing software and online platforms allow users to store, sync, and exchange files across devices and locations. These tools are now foundational in Information Technology e…

GST Return Errors in Tally – Causes, Fixes, and Best Practices

GST compliance in India relies heavily on accurate data entry and correct return preparation. Businesses using Tally frequently encounter GST return errors while generating GSTR-1,…

Why Tally Prime Shows “GST-related details were altered…” Message & What You Should Do?

When using Tally Prime for GST compliance, you may come across a pop-up message that says: “GST-related details were altered in the masters/Return. Hence, opening the report will …

Optical Character Recognition (OCR): Origin, Evolution, Types, Languages, Benefits, and Modern Online/Offline OCR

Optical Character Recognition (OCR) is a technology that converts images of text—such as scanned documents, PDFs, photos, or camera captures—into machine-readable, editable, and se…

Excel Sheet Tabs Not Showing: Complete Technical Guide to Diagnose and Fix Missing Worksheet Tabs

Microsoft Excel users occasionally encounter an issue where worksheet tabs (sheet tabs) are not visible at the bottom of the workbook, making it difficult or impossible to navigate…

Mozilla Thunderbird Email Client – Complete Technical Knowledge Base Guide

Mozilla Thunderbird is a free, open-source desktop email client designed for managing emails, calendars, contacts, and tasks across multiple accounts. Developed and maintained by t…

How to Stop the Cost Allocation Screen for Round Off Entries in Tally Prime

Sometimes in Tally Prime, you may see a screen asking you to allocate a small amount like ₹0.45 to a cost centre.If you do not use Cost Centres for Round Off values, this screen ca…

How to Fix Printer Error 0x00000709: Troubleshooting Guide for Windows

Introduction Printer error 0x00000709 is a common issue that occurs in Windows when users try to set a default printer or access their printer settings. This error typically arises…

Article: How to Enable e-Invoicing in Tally Prime

Article Summary This article guides users through the steps of enabling e-Invoicing in Tally Prime, explains how to register for e-Invoicing on the government e-Invoice portal, and…

How to Enable e-Way Bill in Tally Prime

Article Summary This article explains how to enable the e-Way Bill feature in Tally Prime and also covers how to enable e-Way Bill generation through the e-Way Bill Government port…

TinyMCE Editor Read-Only / API Validation Error – Complete Technical Guide & Fix

TinyMCE is one of the most widely used rich text editors for web applications, especially in admin panels, CMS platforms, and content management systems. However, developers often …

Canonical URLs and UTM Parameters Explained — SEO, Analytics, Tracking, and Best Practices for Modern Websites

In digital marketing and website optimization, two small elements — canonical URLs and UTM parameters — play a massive role in determining how search engines view your pages and ho…

Orkut – Rise, Architecture, Features, and Legacy of Google’s First Social Networking Platform

Orkut was one of the earliest and most influential social networking platforms, launched by Google in the early 2000s. Before the dominance of modern platforms, Orkut defined onlin…

Web Hosting Explained: Types, Architecture, and Practical Examples

Web hosting is the service that allows individuals and organizations to publish websites or web applications on the internet. A web host provides the server infrastructure, storage…