How can SQL queries be optimized to handle complex data analysis functions in PHP?

To optimize SQL queries for complex data analysis functions in PHP, you can use techniques such as indexing columns, writing efficient queries with proper joins and conditions, and limiting the data returned by using SELECT statements wisely. Additionally, you can consider using stored procedures or views to encapsulate complex logic on the database side and reduce the amount of data transferred between the database and PHP application. 

// Example of optimizing SQL query with proper indexing and limiting data returned
$query = "SELECT * FROM users WHERE age > 18 ORDER BY registration_date DESC LIMIT 10";
$result = mysqli_query($connection, $query);

// Process the results
while ($row = mysqli_fetch_assoc($result)) {
    // Handle each row of data
}

Keywords

SQL queries optimization complex data analysis PHP functions libraries

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