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Asked: 2026-05-23T01:11:00+00:00

I have to store isdCodes which is in format 0091 001 009751 009665 etc.

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I have to store isdCodes which is in format 0091 001 009751 009665 etc. in the database, the initial will basically start from zero. i tried using int as datatype with unsigned attribute but it does not seems to work. which datatype is suitable for storing this type of value?

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  1. Editorial Team

    Does not work since IDD prefix is in most cases 00 but not always. It starts in most cases with 0 but not always.

    Since the number of leading zeros matter, (i.e., 0091 ≠ 091), I would go for a varchar in this case.

    If you really want to use some numeric type, I guess you could prepend a 1 in front of the number to keep the zeros, but it would be a bit of a hack.

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