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How to Convert Latin1 Characters to UTF-8 in a MySQL Table?

Susan Sarandon
Release: 2024-10-31 11:39:29
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How to Convert Latin1 Characters to UTF-8 in a MySQL Table?

Convert Latin1 Characters on a UTF8 Table into UTF8

You have identified that your PHP scripts were lacking the necessary mysql_set_charset function to ensure proper handling of UTF-8 characters. Despite implementing this fix, you are now facing the challenge of correcting existing rows that contain Latin1 characters stored in a UTF8 table.

To address this issue, you can utilize a MySQL function to convert the existing Latin1 data into UTF-8. This involves casting the affected data using cast(convert(name using latin1) as binary). Subsequently, you can convert it back as UTF-8 using convert(cast(convert(name using latin1) as binary) using utf8). In some cases, omitting the inner conversion may be necessary.

It's important to note that this conversion is lossy, meaning that certain characters that cannot be represented in UTF-8 will be replaced with similar characters. Therefore, it's crucial to ensure that the converted data is still usable and retains the intended meaning.

By employing this approach, you can successfully recover the data from the rows that were previously corrupted due to the incorrect encoding conversion. Your database will then contain consistent data, allowing you to handle UTF-8 characters seamlessly across your application and database.

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