What are the differences between the BLOB and TEXT datatypes in MySQL?

Question

What is blob and what is text? What are the differences?

When do I need to use blob and when do I need text as da

Answer 1

According to High-performance Mysql book:

The only difference between the BLOB and TEXT families is that BLOB types store binary data with no collation or character set, but TEXT types have a character set and collation.