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I have a mysql database, and I am using it as a temprorarily store captcha values. It has a auto incremented id key, with int(11) field. What happens if this value gets bigger than 11 digits?
A typical INT uses 4 bytes, so it can store the numbers:
Signed:
-2147483648 to 2147483647Unsigned:
0 to 4294967295A BIGINT uses 8 bytes, so it can store the numbers:
Signed:
-9223372036854775808 to 9223372036854775808Unsigned:
0 to 18446744073709551615