What are the consequences of not properly normalizing data in a PHP application, as discussed in the forum thread?

Not properly normalizing data in a PHP application can lead to data redundancy, inconsistency, and potential update anomalies. To solve this issue, it is important to organize data into separate tables and establish relationships between them through foreign keys. 

// Example of normalizing data in a PHP application

// Create a users table
CREATE TABLE users (
    id INT PRIMARY KEY,
    name VARCHAR(50),
    email VARCHAR(50)
);

// Create a posts table
CREATE TABLE posts (
    id INT PRIMARY KEY,
    title VARCHAR(100),
    content TEXT,
    user_id INT,
    FOREIGN KEY (user_id) REFERENCES users(id)
);

Keywords

data normalization database design SQL injection data redundancy performance degradation

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