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Editorial Team
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Asked: 2026-06-10T06:44:00+00:00

When I run queries using DATEADD it seems that the database does not recognize

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When I run queries using DATEADD it seems that the database does not recognize this function.
also when I just run select DATEADD(Month, -3, GETDATE()) I’m getting:

Error code -1, SQL state 42X01: Syntax error: Encountered "<EOF>" at line 1, column 36.

I added the JAR file from hsqldb-2.2.9 as you can see

enter image description here

What am I missing here?

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1 Answer

  1. Editorial Team

    Derby does not have a DATEADD function. You need to use the JDBC function timestampadd to achieve this:

    select {fn TIMESTAMPADD(SQL_TSI_MONTH, -3, CURRENT_TIMESTAMP)}
from sysibm.sysdummy1

    An alternative to using sysdummy1 is the ANSI standard values clause which works both in Derby and HSQLDB:

    values ({fn TIMESTAMPADD(SQL_TSI_MONTH, -3, CURRENT_TIMESTAMP)})
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