Retrieving only a fixed number of rows in MySQL

Question

I am testing my database design under load and I need to retrieve only a fixed number of rows (5000)

I can specify a LIMIT to achieve this, however it seems that th

Answer 1

As I explained in this article, each database defines its own ay of limiting the result set size depends on the database you are using.

While the SQL:2008 specification defines a standard syntax for limiting a SQL query, MySQL 8 does not support it.

Therefore, on MySQL, you need to use the LIMIT clause to restrict the result set to the Top-N records:

SELECT
    title
FROM
    post
ORDER BY
    id DESC
LIMIT 50

Notice that we are using an ORDER BY clause since, otherwise, there is no guarantee which are the first records to be included in the returning result set.