Why Does My MySQL Update Query Result in the "Truncated incorrect DOUBLE value" Error?

Resolving "Truncated incorrect DOUBLE value" Error in MySQL

When attempting to update a MySQL database with a query like:

UPDATE shop_category SET name = 'Secolul XVI - XVIII' AND name_eng = '16th to 18th centuries' WHERE category_id = 4768

you may encounter the error:

1292 - Truncated incorrect DOUBLE value: 'Secolul XVI - XVIII'

Understanding the Issue

The error indicates that the attempt to set the name column to the value 'Secolul XVI - XVIII' caused truncation. This error can occur when the specified value exceeds the maximum length allowed for the column's data type.

Solution

To resolve this issue, verify if the name column is set to the correct data type and has sufficient length. From the provided table structure, it is evident that name is a varchar with a maximum length of 250 characters.

The correct syntax for the update query should be:

UPDATE shop_category SET name = 'Secolul XVI - XVIII', name_eng = '16th to 18th centuries' WHERE category_id = 4768

Note that the AND keyword before the name_eng assignment is redundant.

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