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State that comma separated data is serialised data

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Comma separated values really are a form of serialised data so we should
clarify that we shouldn't store such data in the DB.
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Yorick Peterse 2017-08-11 14:06:43 +02:00
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doc/development/serializing_data.md
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@ -1,7 +1,8 @@
# Serializing Data
**Summary:** don't store serialized data in the database, use separate columns
and/or tables instead.
and/or tables instead. This includes storing of comma separated values as a
string.
Rails makes it possible to store serialized data in JSON, YAML or other formats.
Such a field can be defined as follows: