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            "questionId": "2613",
            "questionFrontendId": "2474",
            "categoryTitle": "Database",
            "boundTopicId": 1979417,
            "title": "Customers With Strictly Increasing Purchases",
            "titleSlug": "customers-with-strictly-increasing-purchases",
            "content": null,
            "translatedTitle": "购买量严格增加的客户",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Hard",
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            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
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            "stats": "{\"totalAccepted\": \"696\", \"totalSubmission\": \"1.5K\", \"totalAcceptedRaw\": 696, \"totalSubmissionRaw\": 1462, \"acRate\": \"47.6%\"}",
            "hints": [],
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            "sampleTestCase": "{\"headers\": {\"Orders\": [\"order_id\", \"customer_id\", \"order_date\", \"price\"]}, \"rows\": {\"Orders\": [[1, 1, \"2019-07-01\", 1100], [2, 1, \"2019-11-01\", 1200], [3, 1, \"2020-05-26\", 3000], [4, 1, \"2021-08-31\", 3100], [5, 1, \"2022-12-07\", 4700], [6, 2, \"2015-01-01\", 700], [7, 2, \"2017-11-07\", 1000], [8, 3, \"2017-01-01\", 900], [9, 3, \"2018-11-07\", 900]]}}",
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                "Truncate table Orders",
                "insert into Orders (order_id, customer_id, order_date, price) values ('1', '1', '2019-07-01', '1100')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('2', '1', '2019-11-01', '1200')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('3', '1', '2020-05-26', '3000')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('4', '1', '2021-08-31', '3100')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('5', '1', '2022-12-07', '4700')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('6', '2', '2015-01-01', '700')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('7', '2', '2017-11-07', '1000')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('8', '3', '2017-01-01', '900')",
                "insert into Orders (order_id, customer_id, order_date, price) values ('9', '3', '2018-11-07', '900')"
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