How to unset BLOB with php/mysql?

Cuz, I did it unintentionally. After reading wikipedia I understand the "binary large object" is for large media files, and I'm not saving a media file.

So how does data get stored this way? What's wrong with this setup to display text as BLOB in phpmyadmin?

the MySql field from phpmyadmin,

Field = 'first_name'

Type = text

Collation = latin1_bin

Null = No

Default = None

The php code, $insertName = "INSERT INTO name(first_name,last_开发者_Python百科name)VALUES('$firstName','$lastName')";

$dbSuccess_1 = mysql_query($insertName,$connectID) or die ("ERROR_1 - Unable to save to MySQL".error_get_last().mysql_error($connectID));

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If you're asking how to change a BLOB column to TEXT you would use a query similar to this:

ALTER TABLE `name`  
    CHANGE COLUMN `first_name` `first_name` TEXT NULL FIRST
    ,CHANGE COLUMN `last_name` `last_name` TEXT NULL AFTER `first_name`;

You can use PHPMyAdmin to make the change even easier.

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TEXT and BLOB are essentially identical, except that TEXT fields are subject to character set limitations (and character set is taken into account while sorting/grouping the fields), while BLOBs are stored verbatim as a sequence of bytes and will not be transformed.

Relevant docs: http://dev.mysql.com/doc/refman/5.0/en/blob.html