Software⏱️ 3 min read📅 2026-05-31

How to Fix: error, string or binary data would be truncated when trying to insert

Error occurs when trying to insert data into SQL Server due to string truncation.

Quick Answer: The issue is caused by the use of a backslash (\ ) in the batch file path, which is being interpreted as an escape character. Replace all backslashes with double backslashes (\\) to fix the problem.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

The error message 'error, string or binary data would be truncated when trying to insert' indicates that the SQL Server is unable to handle the data in your .sql file due to its format. The problem arises from the fact that you are using a semicolon (;) at the end of each INSERT statement.

💡 Why You Are Getting This Error

  • [Cause]

🚀 How to Resolve This Issue

Method 1: Using SQL Command with Semicolon Separation

  1. Step 1: Modify your .sql file to use a semicolon-separated list of values, like this:

Example:

INSERT INTO Customers (CustomerID, CompanyName, Phone) VALUES ('101', 'Southwinds', '19126602729');
  • Step 2: Run the .sql file using the SQL Server command-line tool (osql) or your preferred method.

    • Method 2: Using a Single INSERT Statement with Multiple VALUES

    1. Step 1: Modify your .sql file to use a single INSERT statement with multiple values separated by commas, like this:

    Example:

    INSERT INTO Customers (CustomerID, CompanyName, Phone) VALUES ('101', 'Southwinds', '19126602729'), ('102', 'Northwind', '4347843421');
  • Step 2: Run the .sql file using the SQL Server command-line tool (osql) or your preferred method.

    • 💡 Conclusion

    By implementing either of these methods, you should be able to resolve the 'error, string or binary data would be truncated when trying to insert' error and successfully populate your tables with the data from your .sql file.

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