mirror of https://gitee.com/bigwinds/arangodb
18 lines
915 B
Plaintext
18 lines
915 B
Plaintext
!CHAPTER High-level operations
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The following high-level operations are described here after:
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- *FOR* : to iterate over all elements of an array.
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- *RETURN* : to produce the result of a query.
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- *FILTER* : to restrict the results to elements that match an arbitrary logical condition.
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- *SORT* : to force a sort of the array of already produced intermediate results.
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- *LIMIT* : to reduce the number of elements in the result to at most the specified number.
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- *LET* : to assign an arbitrary value to a variable.
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- *COLLECT* : to group an array by one or multiple group criteria.
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- *REMOVE* : to remove documents from a collection.
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- *UPDATE* : to partially update documents in a collection.
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- *REPLACE* : to completely replace documents in a collection.
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- *INSERT* : to insert new documents into a collection.
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- *UPSERT* : to update an existing document, or create it in the case it does not exist.
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