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Add hint about bad unicode treatment in sqlite to dabase choosing guide

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Related to issue #465
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Jan Böhmer 2024-01-16 22:10:29 +01:00
parent a1660cd888
commit dcf85f9d5e
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5
docs/installation/choosing_database.md
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@ -30,7 +30,10 @@ automatically
However, SQLite does not support certain operations like regex search, which has to be emulated by PHP and therefore are
pretty slow compared to the same operation at MySQL. In future there might be features that may only be available, when
using MySQL.
using MySQL. Also SQLite has limitations in comparisons and sorting of unicode characters, which might lead to unexpected
behavior when using non-ASCII characters in your data. For example `µ` (micro sign) is not seen as equal to `μ`(greek minuscle mu),
therefore searching for `µ` (micro sign) will not find parts containing `μ` (mu) and vice versa. In MySQL identical
looking characters are seen as equal, which is more intuitive in most cases.
In general MySQL might perform better for big Part-DB instances with many entries, lots of users and high activity, than
SQLite.