Disclosed is a computer program stored in a computer readable storage medium including
commands which cause a computer program to execute operations and the operations …

Joining data using a disjunctive operator is described. An example computer-implemented
method can include receiving a query that includes a first disjunctive predicate involving a …

Joins are a fundamental operation in analytic database systems. Furthermore, a hash join
operator can be used to compute joins, if the join predicate is a (selective) equality condition …

Techniques for join elimination are described herein. Join elimination can identify and
eliminate unnecessary joins in a query plan node. For example, join elimination can involve …

Queries may be accelerated with compound disjunctive conditions. A query is received and
a compound disjunctive condition identified. Different strategies, such as inferring and …

Queries may be accelerated with disjunctive equijoin conditions. A query is received and a
disjunctive equijoin condition identified. Different strategies, such as creating a filter data …

Joining data using a disjunctive operator is described. An example computer-implemented
method can include generating a query plan for a query, wherein there is a join operator …

Joins are a fundamental operation in analytic database systems. Furthermore, a hash join
operator can be used to compute joins, if the join predicate is a (selective) equality condition …

A query processing system generates and employs a hybrid inverted index of predicates for
predicate statement evaluation. The query processing system converts a collection of …

(57) ABSTRACT A query processing system applies transforms to convert a collection of
predicate statements to two parts, a matrix and a set of reduced predicate statements, and …