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Safely Deleting Records in MySQL Based on a Reference Table

Safely Deleting Records in MySQL Based on a Reference Table

When managing relational databases, one common scenario is the need to delete records from a main table based on a list of values stored in another table. This is especially useful when you maintain a temporary table containing records that should no longer exist in the primary dataset. For example:

Choosing Between Single and Bulk SQL Inserts: A Practical Guide for Developers

Choosing Between Single and Bulk SQL Inserts: A Practical Guide for Developers

When working with relational databases like MySQL, PostgreSQL, or SQL Server, you’ll often need to insert data into a table—whether you’re importing records, seeding data, or saving user input. One key decision can significantly affect your application’s performance, debuggability, and maintenance: Should you insert rows individually,

How to Find All Tables with a Specific Column in MySQL (e.g., food_uid)

How to Find All Tables with a Specific Column in MySQL (e.g., food_uid)

When working with large or legacy databases, it’s common to forget exactly where a specific column exists — especially if that column (like food_uid) is used widely for relationships, tracking, or categorization. Fortunately, MySQL provides a built-in way to explore your database schema without needing to open every table

Was Embedding SQL in Programs a Mistake? Rethinking an Industry Norm

Was Embedding SQL in Programs a Mistake? Rethinking an Industry Norm

In the early days of software engineering, SQL wasn't born to be embedded in code. It was designed as a console-based, declarative language, meant for business analysts and data operators to pull reports from a relational database. Simple, focused, and readable—it was never meant to live inside

Enhancing Data Variability: Randomly Updating the views Column in MySQL

Enhancing Data Variability: Randomly Updating the views Column in MySQL

In database management and software development, there often arises a need to update data dynamically. One such instance is when you want to simulate realistic data for analytics or testing purposes. In this article, we'll explore how to randomly update the views column in a MySQL table named

Querying Price Ranges in MySQL Without Splitting the Column

Querying Price Ranges in MySQL Without Splitting the Column

When designing a restaurant database, it's common to store a price range—for example, "$8-$4000"—as a single string. It’s simple, user-friendly, and works well for display. However, this structure poses a challenge when you need to filter or sort based on the minimum

SQL vs ORM is Like Plain CSS vs Tailwind CSS: A Developer’s Perspective

SQL vs ORM is Like Plain CSS vs Tailwind CSS: A Developer’s Perspective

In the world of web development, developers often debate between SQL vs ORM and plain CSS vs Tailwind CSS. While these seem like unrelated topics, they share a similar philosophy: control vs convenience. Understanding the parallels can help developers make informed decisions based on their project needs. The Power of