We often see users reaching for the Nullable type, which allows columns to store a Null value. Under the hood, this creates a separate column of UInt8 type. This additional column has to be processed every time a user works with a Nullable column. This leads to additional storage space used and almost always negatively affects performance.
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Any language targeting the web can’t just generate a Wasm file, but also must generate a companion JS file to load the Wasm code, implement Web API access, and handle a long tail of other issues. This work must be redone for every language that wants to support the web, and it can’t be reused for non-web platforms.
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