Ask a Question Mutations in DQL Adding or removing data in Dgraph is called a mutation. Triples in DQL Blank Nodes and UIDs in DQL External IDs External IDs and Upsert Block Language and RDF Types Batch Mutations in DQL Delete Mutations in DQL Facet Lists in RDF Mutations Using cURL JSON Mutation Format Upsert Blocks in DQL Conditional Upsert Reverse Edges