Task: Joining different datasets

n8n workflow:
{"meta":{"instanceId":"8c8c5237b8e37b006a7adce87f4369350c58e41f3ca9de16196d3197f69eabcd"},"nodes":[{"id":"9971f7ab-ecc3-468b-8eb9-b58491b660bd","name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[1040,360],"parameters":{},"typeVersion":1},{"id":"bb212963-9b6f-434c-9777-3360fb456d4b","name":"Note","type":"n8n-nodes-base.stickyNote","position":[1320,600],"parameters":{"width":1020,"height":360,"content":"# 3. Add items from B below items from A\n"},"typeVersion":1},{"id":"cc9461f1-1016-4ef5-bc10-525942c45047","name":"Note1","type":"n8n-nodes-base.stickyNote","position":[1320,-200],"parameters":{"width":1020,"height":380,"content":"# 1. Keep items from A if there's a match in B\n"},"typeVersion":1},{"id":"09a68f64-5b2d-43a8-acff-7c26817cc025","name":"Note2","type":"n8n-nodes-base.stickyNote","position":[1320,200],"parameters":{"width":1020,"height":380,"content":"# 2. Enrich items from A with matching data from B"},"typeVersion":1},{"id":"bcf0c7df-fb64-4ef8-9d75-300ff9b55f40","name":"Note4","type":"n8n-nodes-base.stickyNote","position":[175,235],"parameters":{"width":740,"height":460,"content":"# Aggregating data with the Merge node\n\n## The merge node is one of the most useful nodes in n8n. In this workflow we show how to merge data from two different sources (similar to SQL joins).\n\n## The most-used operations of the merge node are presented here. For more info, browse the [merge node docs](https://docs.n8n.io/integrations/core-nodes/n8n-nodes-base.merge/)\n\n## Click the `Execute Workflow` button and double click on the nodes to see the input and output items."},"typeVersion":1},{"id":"b418defd-f58f-4f53-9bac-b1e6611151dc","name":"Note6","type":"n8n-nodes-base.stickyNote","position":[1855,335],"parameters":{"width":480,"content":"## Adds the quantity needed to each ingredient in the recipe\n\n## Similar to SQL Left join\n\n"},"typeVersion":1},{"id":"017b5902-865e-4481-98d2-0a969cc09482","name":"Note8","type":"n8n-nodes-base.stickyNote","position":[1855,-65],"parameters":{"width":480,"content":"## This will keep only the ingredients needed that are also in stock\n\n## Similar to SQL Inner join"},"typeVersion":1},{"id":"e2b46667-da41-4448-a74d-3aa095f72619","name":"Note9","type":"n8n-nodes-base.stickyNote","position":[1855,695],"parameters":{"width":480,"height":200,"content":"## This will create a super band by merging Queen and Led Zeppelin\n\n## Similar to SQL Union All \n(more flexible as not requires all fields to be the same)"},"typeVersion":1},{"id":"9726c9cc-cab1-44f8-8c62-2b80899af4aa","name":"Ingredients in stock from recipe","type":"n8n-nodes-base.merge","position":[1600,-20],"parameters":{"mode":"combine","options":{},"mergeByFields":{"values":[{"field1":"Name","field2":"Name"}]}},"typeVersion":2},{"id":"42367b1e-8a5d-4b0c-bfd3-8bb3f1b63df9","name":"Super Band","type":"n8n-nodes-base.merge","position":[1620,760],"parameters":{},"typeVersion":2},{"id":"b4a756d8-a729-4add-aafa-9868738a6790","name":"A. Ingredients Needed","type":"n8n-nodes-base.code","position":[1360,-100],"parameters":{"jsCode":" return [\n  {\n    \"Name\": \"Flour\",\n  },\n  {\n    \"Name\": \"Eggs\",\n  },\n  {\n    \"Name\": \"Milk\",\n  },\n  {\n    \"Name\": \"Lemon\",\n  },\n  {\n    \"Name\": \"Sugar\",\n  },\n];\n"},"typeVersion":1},{"id":"eb69abdc-cb89-43c5-bcd6-5f1f6383b391","name":"B. Ingredients in stock","type":"n8n-nodes-base.code","position":[1360,40],"parameters":{"jsCode":" return [\n  {\n    \"Name\": \"Eggs\",\n  },\n  {\n    \"Name\": \"Lemon\",\n  },\n  {\n    \"Name\": \"Sugar\",\n  },\n];\n"},"typeVersion":1},{"id":"b01228b8-c860-4725-a0e1-00b4c11218cc","name":"Merge recipe","type":"n8n-nodes-base.merge","position":[1620,380],"parameters":{"mode":"combine","options":{},"joinMode":"enrichInput1","mergeByFields":{"values":[{"field1":"Name","field2":"Name"}]}},"typeVersion":2},{"id":"fdb8a9cb-8a85-4a9a-bd2f-c9711178333f","name":"A. Ingredients","type":"n8n-nodes-base.code","position":[1360,300],"parameters":{"jsCode":" return [\n  {\n    \"Name\": \"Flour\",\n  },\n  {\n    \"Name\": \"Eggs\",\n  },\n  {\n    \"Name\": \"Milk\",\n  },\n  {\n    \"Name\": \"Lemon\",\n  },\n  {\n    \"Name\": \"Sugar\",\n  },\n];\n"},"typeVersion":1},{"id":"2ca385e5-6833-49fa-b052-abc8583b4a7a","name":"B. Recipe quantities","type":"n8n-nodes-base.code","position":[1360,440],"parameters":{"jsCode":" return [\n  {\n    \"Name\": \"Flour\",\n    \"Quantity\": \"100g\",\n  },\n  {\n    \"Name\": \"Eggs\",\n    \"Quantity\": 2,\n  },\n  {\n    \"Name\": \"Salt\",\n    \"Quantity\": \"50g\"\n  },\n  {\n    \"Name\": \"Lemon\",\n    \"Quantity\": 1,\n  },\n  {\n    \"Name\": \"Sugar\",\n    \"Quantity\": \"6tbsp\",\n  },\n];\n"},"typeVersion":1},{"id":"8e4c7da8-3700-4b1f-b937-739debf7aba4","name":"A. Queen","type":"n8n-nodes-base.code","position":[1360,680],"parameters":{"jsCode":" return [\n{\n\"FirstName\": \"John\",\n\"LastName\": \"Deacon\",\n\"Instrument\": \"Drums\",\n},\n{\n\"FirstName\": \"Freddy\",\n\"LastName\": \"Mercury\",\n\"Instrument\": \"Vocals and Piano\",\n\"Superpower\": \"Crowd control\"\n},\n{\n\"FirstName\": \"Brian\",\n\"LastName\": \"May\",\n\"Instrument\": \"Guitar\",\n},\n{\n\"FirstName\": \"Roger\",\n\"LastName\": \"Taylor\",\n\"Instrument\": \"Bass\",\n}\n];\n"},"typeVersion":1},{"id":"260c7a0a-43ba-46aa-bfa8-cbbb66aca493","name":"B. Led Zeppelin","type":"n8n-nodes-base.code","position":[1360,820],"parameters":{"jsCode":" return [\n{\n\"FirstName\": \"Jimmy\",\n\"LastName\": \"Page\",\n\"Instrument\": \"Guitar\"\n},\n{\n\"FirstName\": \"Robert\",\n\"LastName\": \"Plant\",\n\"Instrument\": \"Vocals\",\n},\n{\n\"FirstName\": \"John\",\n\"LastName\": \"Bonham\",\n\"Instrument\": \"Drums\",\n},\n{\n\"FirstName\": \"John\",\n\"LastName\": \"Paul Jones\",\n\"Instrument\": \"Bass\",\n\"Second Instrument\": \"Keyboard\",\n}\n];\n"},"typeVersion":1}],"connections":{"A. Queen":{"main":[[{"node":"Super Band","type":"main","index":0}]]},"A. Ingredients":{"main":[[{"node":"Merge recipe","type":"main","index":0}]]},"B. Led Zeppelin":{"main":[[{"node":"Super Band","type":"main","index":1}]]},"B. Recipe quantities":{"main":[[{"node":"Merge recipe","type":"main","index":1}]]},"A. Ingredients Needed":{"main":[[{"node":"Ingredients in stock from recipe","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"A. Ingredients Needed","type":"main","index":0},{"node":"B. Ingredients in stock","type":"main","index":0},{"node":"A. Ingredients","type":"main","index":0},{"node":"B. Recipe quantities","type":"main","index":0},{"node":"A. Queen","type":"main","index":0},{"node":"B. Led Zeppelin","type":"main","index":0}]]},"B. Ingredients in stock":{"main":[[{"node":"Ingredients in stock from recipe","type":"main","index":1}]]}}}