Downloading Query Logger 1.5 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. This free software is a product of Data-Diggers.
The following version: 1.5 is the most frequently downloaded one by the program users. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. Query Logger lies within Development Tools, more precisely Help.
From the developer:
Query Log for Zen Cart is open source, simple tool for monitoring performance of SQL queries. Depending on configuration it will display or save all executed queries sent to database together with information how much time each query took and which page and session executed it. With Query Log and some SQL knowledge You can improve performance of Your Zen Cart store.
You may want to check out more software, such as N1MM logger, BCM Call Logger or Simple USB Logger, which might be similar to Query Logger.
Science
System Optimization