MySQL Error 1063: Incorrect Column Definition Syntax

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Description

Error 1063, 'Incorrect column specifier', indicates that MySQL encountered a syntax error or an invalid definition when parsing a column in a `CREATE TABLE` or `ALTER TABLE` statement. This typically means a column's data type, length, or attributes are malformed or used incorrectly, preventing the statement from executing successfully.

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Error Message

Incorrect column specifier for column '%s'

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Known Causes

3 known causes

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Invalid Length/Precision for Type

Providing an invalid length, precision, or scale for a specified data type (e.g., `VARCHAR(0)`, `DECIMAL(5,6)` where scale exceeds precision).

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Incompatible Column Attributes

Applying attributes (like `UNSIGNED`, `ZEROFILL`, or `AUTO_INCREMENT`) to a data type that does not support them or in an incorrect sequence.

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Malformed Data Type Definition

Using a non-existent, misspelled, or syntactically incorrect data type name or definition within the column specification.

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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

Check the error message carefully for specific details
Review recent changes that might have caused the error
Search for the exact error code in the official documentation
Check log files for additional context
Try restarting the application or service

Find Help

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Related Errors

5 related errors