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Users and Permissions
  • 2025-09-26

Change MySQL User Passwords: Beginner Guide & Troubleshooting

1. Introduction MySQL is a database management system used in many web applications and systems. Among its functions, managing user passwords is a crucial security task. In particular, user password c […]

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Errors and Troubleshooting
  • 2025-09-26

Thorough Guide to Causes and Fixes for Garbled Text in MySQL

1. Introduction When building a database with MySQL, garbled characters are a common problem that many users face. When they occur, data display and input can’t be performed correctly, which can serio […]

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Functions
  • 2025-09-26

Complete Guide: Get, Format, and Use Current Time in MySQL

1. Introduction The Importance of Handling the Current Time in MySQL MySQL places great importance on handling time in order to properly manage the information stored in a database. In particular, fun […]

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Errors and Troubleshooting
  • 2025-09-26

MySQL ‘Access denied for user’ Error: Causes & Fixes

1. Introduction The “mysql access denied for user” error is a common issue that MySQL users frequently encounter. This error means that the connection to the database was denied and requir […]

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Advanced Topics
  • 2025-09-26

MySQL 8.0 vs 5.7: New Features & Full Migration Guide

1. Introduction Overview of MySQL MySQL is the most widely used open-source relational database management system (RDBMS) worldwide. It is an essential component for web applications and enterprise sy […]

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Server Management
  • 2025-09-26

Switch MySQL to utf8mb4: Migration Guide & Troubleshooting

1. Introduction Why Changing MySQL’s Character Set Is Necessary The character set of a database is a crucial setting that determines how the characters of stored data are encoded and processed. In MyS […]

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Table Management
  • 2025-09-26

MySQL OPTIMIZE TABLE: Guide to Optimization & Alternatives

1. Introduction Are you struggling with MySQL performance degradation? When the database size grows, query execution slows down, potentially affecting the performance of the entire application. An eff […]

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Functions
  • 2025-09-26

Using MySQL COUNT(DISTINCT) to Get Unique Row Counts

1. Introduction When operating a database, you may encounter situations such as “How many different countries are registered?” or “I want to know the number of unique email addresses […]

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Operators and Clauses
  • 2025-09-26

MySQL BETWEEN for Date Ranges: Usage, Pitfalls & Performance

1. Introduction The BETWEEN operator used in MySQL to specify date ranges is a handy feature that lets you retrieve data within a specific period with a simple query. For example, it’s useful for fetc […]

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Table Management
  • 2025-09-26

Check, Set, and Reset MySQL AUTO_INCREMENT (SQL Commands)

What is MySQL AUTO_INCREMENT? Basics of AUTO_INCREMENT MySQL’s AUTO_INCREMENT is a feature that automatically increments numbers in database tables. It is commonly used as a primary key (PRIMARY […]

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