Graql Ask Queries
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An ask query will return whether the given match query has any results. To follow along, or experiment further, with the examples given below, please load the basic-genealogy.gql file, which can be found in the examples directory of the Grakn installation zip, or on Github.

match divorce sub relation; ask;
match marriage sub relation; ask;
qb.match(name("divorce").sub("relation")).ask().execute();
qb.match(name("marriage").sub("relation")).ask().execute();

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Tags: graql