Addressing MySQL Error 1073: BLOB Columns and Key Specifications
MySQL Error 1073, marked by SQLSTATE code 42000 (ER_BLOB_USED_AS_KEY), occurs when a BLOB or TEXT column is specified as a key in a table that does not support such columns as keys. The error message “BLOB column ‘%s’ can’t be used in key specification with the used table type” indicates that the operation is not …