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Top Architect
Top Architect
May 25, 2021 · Databases

Why Misplaced Quotes in MySQL UPDATE Cause Columns to Be Set to Zero

The article explains how incorrectly placed double‑quotation marks in MySQL UPDATE statements change the intended string assignment into a boolean comparison that evaluates to 0, leading to all affected rows being updated with zero values, and shows how to detect and avoid this pitfall.

Data RecoveryDatabase DebuggingQuote Error
0 likes · 6 min read
Why Misplaced Quotes in MySQL UPDATE Cause Columns to Be Set to Zero
21CTO
21CTO
Dec 23, 2018 · Databases

Why Misplaced Quotes in MySQL UPDATE Can Zero Out Your Data

This article examines a MySQL data‑update mishap caused by misplaced quotation marks, showing how such syntax errors turn intended string assignments into zero values, and explains the underlying expression evaluation that leads to all rows being updated to 0.

Data lossQuote ErrorUPDATE
0 likes · 6 min read
Why Misplaced Quotes in MySQL UPDATE Can Zero Out Your Data