I think this boils down to "Am I doomed to upgrading mysql hoping the problem goes away?". I've seen a few of the same issues around the internet but with no guidance on a fix other than "Did you turn ...
I am running a Perl script (using DBI) which reads from raw files from a hard disk, and updates MySQL database (which is on a separate SSD). My performance is rather slow (1000 files processed in ...
This is a interview problem: There is a perl program that updates the database, and it could run in different processes. One process may execute a transaction like: update row A -> update ...
This is my current mySQL query: SELECT e.*, MAX(m.datetime) AS unread_last, COUNT(m.id) AS unread FROM TAB_EVENT e LEFT JOIN TAB_MESSAGE m ON e.id=m.event_id WHERE ( m.`read` IS NULL OR ...
I want to create an embedded MySQL database for running tests, but I'm not sure how to do it. How do I initialize the database? How do I run my create table statements? I'm using Perl, so it ...