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Results tagged with where
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user 5226
The `WHERE` clause is used to specify criterion for retrieval or modification of rows from objects in a database.
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Condition in WHERE vs condition in CONNECT BY
After reading the documentation, I came to the following conclusions.
One difference between the two queries is that the first query has two condition in the connect by , in order to identify a relat …
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Condition in WHERE vs condition in CONNECT BY
In the second one, the exists predicate is moved from the connect by clause to the where clause.
select concept.concept_id, concept.PARENT_ID
from ebti_thes_concept_v concept
where exists (..) …