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macrozheng
macrozheng
Jan 22, 2021 · Databases

Why Misplaced Double Quotes Turn MySQL Updates Into Zeroes

A developer’s production update accidentally set every row’s source_name to 0 because misplaced double‑quotation marks altered the SQL semantics, and the article explains how MySQL interprets such malformed statements and how to recover the data.

Database DebuggingImplicit ConversionQuotation Marks
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Why Misplaced Double Quotes Turn MySQL Updates Into Zeroes