Today when debugging an HTTP interface, returned to a bunch of very large data format (probably around one hundred thousand lines),
Then I database table has four lengths of 4000 field, the return of data processing for a moment, just want to save a part of to the table,
As shown in figure output the length of the each field, we can see that there should be no more than 4000, but after split each field contains Chinese alphabetic character figures such as
Continue to update the table, it appeared as shown in figure error, checked the Internet seems to be caused by field exceeds the maximum length of storage,
But I tried it on a table in the Chinese, Numbers, symbols and English are the same bytes, strives for the great god glad