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Asked: 2026-05-27T16:35:08+00:00

Let’s look at the following sql query: SELECT SYSDATE – 0 ParamDateTmp FROM Dual

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Let’s look at the following sql query: SELECT SYSDATE - 0 ParamDateTmp FROM Dual. I understand that ParamDateTmp is just an alias and that Dual is a special Oracle table. But I can’t understand what result is expected with SYSDATE - 0?

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1 Answer

  1. Editorial Team

    SYSDATE – 0 will give you the current date only.

    SYSDATE – n will subtract n day’s from current date.

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