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SQL table Dedupe rows

[
  {
    "name": "Doe, John",
    "notes": "She said \"hi\" to me",
    "age": "30"
  },
  {
    "name": "Smith, Jane",
    "notes": "Hello world",
    "age": "25"
  },
  {
    "name": "Doe, John",
    "notes": "She said \"hi\" to me",
    "age": "30"
  }
]

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Showing 3 of 3 rows

name	notes	age

Doe, John	She said "hi" to me	30
Smith, Jane	Hello world	25
Doe, John	She said "hi" to me	30