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Asked: 2026-06-04T11:40:53+00:00

Is it possible to have auto increment field which generates even or odd numbers

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Is it possible to have auto increment field which generates even or odd numbers (skips the opposite)? The reason I am asking is because I want to share auto increment between two tables. Other ways for achieving it are welcomed.

Thanks in advance!

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1 Answer

  1. Editorial Team

    You can offset one table’s auto increment field from the other, i.e. one table starts ids from 1 while the other starts from 1000000 (or some other value chosen depending on your usage pattern).

    CREATE TABLE table1 (id BIGINT UNSIGNED AUTO_INCREMENT);
CREATE TABLE table2 (id BIGINT UNSIGNED AUTO_INCREMENT) AUTO_INCREMENT = 1000000;

    You can also choose your autoincrement column type according to your needs. BIGINT UNSIGNED’s range is 0..18446744073709551615, which should cover most cases.

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