Search results for: "random rows"

How can one ensure that the random numbers generated are truly random and not predictable?

To ensure that random numbers generated are truly random and not predictable, it is important to use a secure source of randomness, such as the random...

Are there any potential pitfalls to be aware of when selecting random entries from a database in PHP?

One potential pitfall when selecting random entries from a database in PHP is that using certain methods like ORDER BY RAND() can be inefficient for l...

How can the ORDER BY RAND() function in PHP be optimized when selecting random data from multiple tables?

When using the ORDER BY RAND() function in PHP to select random data from multiple tables, the query can be slow and inefficient, especially with larg...

How can I ensure that the random number generated in PHP is truly random?

Generating truly random numbers in PHP can be achieved by using the `random_int()` function, which generates cryptographically secure pseudo-random in...

What are some best practices for efficiently retrieving random data from a database in PHP?

When retrieving random data from a database in PHP, it is important to use a proper SQL query to efficiently fetch the data without unnecessary overhe...