Queries
Definition
A query is an entity that returns queried keys and data of node instances. To allow different search criteria at runtime, the consumer may hand over the query data type.
Use
Queries provide the initial point of access to business objects. You can search on a business object or a business object enhancement to receive the keys or the data of specific or of all node instances. Each query has an associated parameter structure. The result of the query is a set of keys of all the node instances that match the query criteria.
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