About Question enthuware.oce-jpad.v6.2.471 :

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ramy6_1
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About Question enthuware.oce-jpad.v6.2.471 :

Post by ramy6_1 »

Hello ,

I think the first two options are the same , right ?

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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by admin »

Option 1 says, "The query may have one or more Roots." while option 2 says, "The query must have at least one Root."

Why do you think they are same?
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ramy6_1
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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by ramy6_1 »

Since the sentence "at least one root" = "one or more roots" , right ?

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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by admin »

No, option 1 does not give any indication about zero roots (whether having no root is valid or invalid). While option 2 indicates that zero roots is invalid.
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rnatesan
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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by rnatesan »

"the query must have a Root if you want to navigate through the returned object graph."

this option # 3 also looks correct to me because you cannot write a Criteria API Query without a Root.

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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by Tiffansy »

Since the sentence "at least one root" = "one or more roots" , right ?






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Re: About Question enthuware.oce-jpad.v6.2.471 :

Post by henri.davids »

In my opinion, if option 1 is correct, option 3 might also be thought correct. Since option 1 does not give any indication about zero roots, it could be used in the wrong way. Option 2 is therefore better dan option 1, and you might treat option 3 even as good as option 1.

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