String or binary data would be truncated

 SQL Error 8152 occurs when you're trying to insert or update a string or binary data that is too large for the column it is being stored in. This error is common when the length of the input data exceeds the length defined for the column in the table schema.

Here's how you can address this error:

1. Identify the Problematic Data:

   1. Find out which column and row are causing the issue. This can be done by narrowing down your dataset or examining the length of the data being inserted.

2. Check Column Length:

1. Ensure that the length of the data you are trying to insert does not exceed the maximum length defined for the column. You can check this by querying the table schema.

SELECT COLUMN_NAME, CHARACTER_MAXIMUM_LENGTH 
FROM INFORMATION_SCHEMA.COLUMNS 
WHERE TABLE_NAME = 'YourTableName';

1. Modify Column Length:

• If necessary, increase the length of the column to accommodate the data. Be cautious with this approach, as it can have implications on database performance and storage.

ALTER TABLE YourTableName 
ALTER COLUMN YourColumnName VARCHAR(new_length);

Truncate Data:

• If you can't or don't want to change the column length, ensure that the data being inserted is truncated to fit within the column length.

UPDATE YourTableName 
SET YourColumnName = LEFT(YourColumnName, max_length);

Review Data Insertion Logic:

• Ensure that the application or process inserting data into the database is correctly validating and truncating data before insertion.