OEID 3.1 get the index value in a multi-assign set attribute

Hello

In OEID 3.1 EQL represents assign many attributes of the corpus as defined. How can I get a single value from this overall picture? If the table contains only one value, how can I get this value as the value of the single award and not a game/table.

http://docs.Oracle.com/CD/E40518_01/server.760/es_eql/TOC.htm#sets%20and%20Multi-assign%20Data

Thank you.

1. "How can I get a single value from a game?

If I understand your question, I think that you want to use a universal or existential (SOME) (ALL) qualifier for records based on a unique value that exists in a return set.

They are documented here:

"+ gMapTitle +".

In the example for the qualification of SOME, the two important lines are:

SELECT bodyAttr AS body

WHERE SOME IN x body SATISFIED (x = "robust")

This means that the query is basically this:

1. Select the multi-assign Body attribute and its values as a set back.

2 values in this organization has set, return every record that has an assignment of "Robust" in its attribute of body. In other words, you use the value "Robust" (throughout the body) to get the records you want.

2. "If a set contains only one value, how can I get this value as the single entitled value and not a game?

Whatever the number of items is in a game, you can use the IS_MEMBER_OF function to test if a given value is in this value. The given value can be a single-assign attribute. However, I'm not sure if that's what you're asking.

In both cases, keep in mind sets that were put in place because to 7.5 (and previous), EQL chooses an arbitrary value of a multiple assign attribute for each input record, rather than select all attribute values. Sets now allow EQL select all values in a multiple assign attribute.

Tags: Business Intelligence

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