When you have a TEXT field in MySQL or PostgreSQL, should you put it in a separate table?

Question

I\'ve heard that if you have a table with a TEXT column that will hold a large chunk of text data, it\'s better for performance to move that column into a separate table and

Answer 1

From the MySQL Manual:

For a table with several columns, to reduce memory requirements for queries that do not use the BLOB column, consider splitting the BLOB column into a separate table and referencing it with a join query when needed.