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I have this question about WooCommerce SKU:
Does it have a limit in number of characters? If there is a limit, how to extend it?

Thanks

LoicTheAztec
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Francis Alvin Tan
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1 Answers1

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There is not really a limit as it's stored in WordPress wp_postmeta database table in meta_value column which limitation is 'long text' corresponding to 4GiB (2^32 - 1) characters (see below).

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LoicTheAztec
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  • Hehe, and that dialog box is not quite correct. The limit is 4G _bytes_, not _characters_. (But you would have other troubles trying to stuff that much into the column.) A _character_ can occupy up to 4 _bytes_, especially for Emoji. – Rick James May 24 '17 at 03:25