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Editorial Team
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Asked: 2026-05-23T14:53:29+00:00

I have a table with the following columns [itemdate][itemID][itemspecialid] itemID contains a string with

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I have a table with the following columns

[itemdate][itemID][itemspecialid]

itemID contains a string with multiple ideas, (ie. [54] [60] [96] [30]) as it is a set of IDs, only some entries have an itemspecialid which is actually only associated with one [itemID] of the set.

I am actually using java, so I will be parsing each [itemID] entry using myString.contains("[60]") which will have retrieved an itemID string set from the database, and then compared within myString looking for a particular value.

What would the SQL query be for selecting rows with [itemspecialid]‘s populated? Once I get the basic query I can figure out how this is done within my language

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1 Answer

  1. Editorial Team

    Not sure I understood correctly, but if you want to get the rows where itemspecialid is not null, the query is

    select itemdate, itemID, itemspecialid from mytable where itemspecialid is not null

    It’s a bad idea to store multiple information inside a single column. You should have a separate table to store the itemIDs of your items.

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