"ENUM is a string object that can hold a single value chosen from a predefined list. It’s stored internally as an integer index, supports up to 65,535 elements, and is ideal for fixed options like order statuses."
"SET is a string object allowing any combination of values from a predefined list, stored as a bitmap. It supports up to 64 values, making it useful for scenarios like user permissions where multiple selections are allowed."
ENUM and SET are specialized MySQL data types for handling fixed lists. ENUM allows a single value from a set, stored as an integer index, suitable for limited options like order statuses, with support for up to 65,535 elements. SET permits multiple selections from a defined list, internally stored as a bitmap, supporting up to 64 values, making it ideal for scenarios like user permissions. Both types enhance schema clarity but can lead to issues if mismanaged, warranting careful implementation.
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