Text can be fixed length (char) or variable length strings. Also, text comparisons can be case sensitive or insensitive depending on the type you choose.
m_status ENUM("Y", "N")
Thus, m_status column will take only Y or N as values. If you specify any other value with the INSERT statement, MYSQL will not return an error, it just inserts a NULLvalue in the column.
hobbies SET ("Reading", "Surfing", "Trekking", "Computing")
You can have 0 or all the four values in the column.
INSERT tablename (hobbies) values ("Surfing", "Computing");
As per Steve Job's interview to Walter Isaacson, the Apple Lisa was named after his daughter. It is also often cited that Lisa is an acronym stands for "Local Integrated System Architecture". [more...]