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ObjectGrid provides a flexible query engine for retrieving entities using the EntityManager API and Java objects using the ObjectQuery API. The query engine allows SELECT type queries over an entity or Object-based schema using the ObjectGrid query language.
The ObjectGrid query language provides the following capabilities:
- Single and multi-valued results
- Aggregate functions
- Sorting and grouping
- Joins
- Conditional expressions with subqueries
- Named and positional parameters
- Using ObjectGrid index
- Path expression syntax for object navigation
- Pagination
The following topics describe the EntityManager query API and the ObjectQuery API:
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