7 years ago
Learn to code site Code.org loses student work due to index bug
Learn-to-code site Code.org is apologising to its students after being caught by a database table maxing out, and dropping progress for an unknown number of participants. In its mea-culpa blog post, the group says it was burned by a database table with a 32-bit index. “The way we store student coding activity is in a table that until today had a 32-bit index. What this means is that the database table could only store 4 billion rows of coding activity information.”
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http://www.theregister.co.uk
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