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Asked: 2026-06-14T00:15:46+00:00

Possible Duplicate: MySql: Tinyint (2) vs tinyint(1) – Which difference? What is the difference

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Possible Duplicate:
MySql: Tinyint (2) vs tinyint(1) – Which difference?

What is the difference between:

  • TinyINT(1)
  • TinyINT(2)
  • TinyINT(3)
  • TinyINT(4)
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1 Answer

  1. Editorial Team

    TinyINT(M) always has a range from -128..+127 signed or 0..255 unsigned. M is the display width.

    M indicates the maximum display width for integer types. The maximum
    display width is 255. Display width is unrelated to the range of
    values a type can contain, as described in Section 11.2, “Numeric
    Types”. For floating-point and fixed-point types, M is the total
    number of digits that can be stored.

    from http://dev.mysql.com/doc/refman/5.5/en/numeric-type-overview.html

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