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");
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