I’ve watched a tutorial on installation which teaches people to choose certain settings under Optional Settings at Database Setup stage. But I noticed there is a red statement right under Optional Settings saying it is recommended to leave the settings as is unless you have a specific reason for altering them.

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Just wondering if I should leave the following settings as default or follow the tutorial:

1. Store Identifier (Table Prefix)

What is this table prefix used for? Default is blank. The tutorial teaches people to set one but is it better not to set one? I did some search on this and found this thread which says that the table prefix caused a module to not work properly.

http://www.zen-cart.com/showthread.p...hip-XML-Export

So is it better not to set a table prefix or is there a good reason to set one? If it’s better to set a prefix, can I use whatever characters I like?

2. SQL Cache Method

Default is none but the tutorial teaches people to choose “File”. What’s the difference between these options? Which is better? Will choosing “File” make my site load slower?

Setting Permissions on Folders

And I also wanna confirm one thing, when setting permissions on folders, are we supposed to change the permissions for catalogue/images and all their subdirectories and their subdirectories OR /images and all their subdirectories and their subdirectories?

Thanks!