mysql convert blob to text

MySQL #1170 error (42000) blob/Text Column Used in key specification without a key length Here is my solution to translating foreign websites. When creating a new table or altering an existing table with primary key, unique constraints and

What is the difference between TEXT and BLOB Field Types in MySQL? mysqltextblob Field There are two Field Types in MySQL that are confusing, namely TEXT and BLOB. In particular, the bloggers who write their own blog programs do not know whether to

There are two Field Types in MySQL that are confusing, namely TEXT and BLOB. In particular, the bloggers who write their own blog programs do not know whether to change their blog body fields to TEXT or BLOB. The following are some differences: 1.

Differences between Blob and Text in MySql bitsCN.com BLOB is a large binary object that can hold a variable amount of data. There are four BLOB types: TINYBLOB, BLOB, MEDIUMBLOB, and LONGBLOB. They only have different maximum lengths that can hold

Focus on the base-mysql blob type and text type-binary storageAfter a few Java projects, encountered a number of problems, in solving the problem of the basic needs of continuous review and consolidation.Recently done projects, provided to the

A blob is a binary large object that can hold a variable amount of data. There are 4 types of blobs: Tinyblob, BLOBs, Mediumblob, and Longblob. They can only accommodate the maximum length of a value differently.There are 4 types of text: Tinytext,

Today, write another about the attachment access to the demo when accidentally appeared a bug, said that the length is not enough.With the database is MySQL, save the field type of blob, put a small picture on the data is too large, the length of

A blob is a binary large object that can hold a variable amount of data. There are 4 types of blobs: Tinyblob, BLOBs, Mediumblob, and Longblob. They can only accommodate the maximum length of a value differently.There are 4 types of text: Tinytext,

In MySQL, there are two field types that are confusing, that is, text and blobs, especially bloggers who write their own blog do not know to change to their own blog positive text segment select text or blob type. Here are a few differences: I.

Development Environment: Windows XP Professional SP3, vs2008, winform, mysql5.0, MySQL. data6.2.3.0   1. Read an image from the hard disk, convert it to a stream, and store it in this blob field. View plaincopy to clipboardprint? Private void