{
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        "question": {
            "questionId": "1328",
            "questionFrontendId": "1205",
            "boundTopicId": null,
            "title": "Monthly Transactions II",
            "titleSlug": "monthly-transactions-ii",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 148,
            "dislikes": 533,
            "isLiked": null,
            "similarQuestions": "[{\"title\": \"Monthly Transactions I\", \"titleSlug\": \"monthly-transactions-i\", \"difficulty\": \"Medium\", \"translatedTitle\": null}]",
            "exampleTestcases": "{\"headers\":{\"Transactions\":[\"id\",\"country\",\"state\",\"amount\",\"trans_date\"],\"Chargebacks\":[\"trans_id\",\"trans_date\"]},\"rows\":{\"Transactions\":[[101,\"US\",\"approved\",1000,\"2019-05-18\"],[102,\"US\",\"declined\",2000,\"2019-05-19\"],[103,\"US\",\"approved\",3000,\"2019-06-10\"],[104,\"US\",\"declined\",4000,\"2019-06-13\"],[105,\"US\",\"approved\",5000,\"2019-06-15\"]],\"Chargebacks\":[[102,\"2019-05-29\"],[101,\"2019-06-30\"],[105,\"2019-09-18\"]]}}",
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": null,
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"21.4K\", \"totalSubmission\": \"51K\", \"totalAcceptedRaw\": 21404, \"totalSubmissionRaw\": 50988, \"acRate\": \"42.0%\"}",
            "hints": [],
            "solution": {
                "id": "2208",
                "canSeeDetail": true,
                "paidOnly": false,
                "hasVideoSolution": false,
                "paidOnlyVideo": true,
                "__typename": "ArticleNode"
            },
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Transactions\":[\"id\",\"country\",\"state\",\"amount\",\"trans_date\"],\"Chargebacks\":[\"trans_id\",\"trans_date\"]},\"rows\":{\"Transactions\":[[101,\"US\",\"approved\",1000,\"2019-05-18\"],[102,\"US\",\"declined\",2000,\"2019-05-19\"],[103,\"US\",\"approved\",3000,\"2019-06-10\"],[104,\"US\",\"declined\",4000,\"2019-06-13\"],[105,\"US\",\"approved\",5000,\"2019-06-15\"]],\"Chargebacks\":[[102,\"2019-05-29\"],[101,\"2019-06-30\"],[105,\"2019-09-18\"]]}}",
            "metaData": "{\"mysql\": [\"Create table If Not Exists Transactions (id int, country varchar(4), state enum('approved', 'declined'), amount int, trans_date date)\\n\", \"Create table If Not Exists Chargebacks (trans_id int, trans_date date)\\n\"], \"mssql\": [\"Create table Transactions (id int, country varchar(4), state varchar(10) check(state in ('approved', 'declined')), amount int, trans_date date)\", \"Create table Chargebacks (trans_id int, trans_date date)\\n\"], \"oraclesql\": [\"Create table Transactions (id int, country varchar(4), state varchar(10) check(state in ('approved', 'declined')), amount int, trans_date date)\\n\", \"Create table Chargebacks (trans_id int, trans_date date)\\n\", \"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"], \"database\": true, \"name\": \"monthly_transactions\", \"pythondata\": [\"Transactions = pd.DataFrame([], columns=['id', 'country', 'state', 'amount', 'trans_date']).astype({'id':'Int64', 'country':'object', 'state':'object', 'amount':'Int64', 'trans_date':'datetime64[ns]'})\", \"Chargebacks = pd.DataFrame([], columns=['trans_id', 'trans_date']).astype({'trans_id':'Int64', 'trans_date':'datetime64[ns]'})\"], \"postgresql\": [\"Create table If Not Exists Transactions (id int, country varchar(4), state VARCHAR(30) CHECK (state IN ('approved', 'declined')), amount int, trans_date date)\\n\", \"Create table If Not Exists Chargebacks (trans_id int, trans_date date)\\n\"], \"database_schema\": {\"Transactions\": {\"id\": \"INT\", \"country\": \"VARCHAR(4)\", \"state\": \"ENUM('approved', 'declined')\", \"amount\": \"INT\", \"trans_date\": \"DATE\"}, \"Chargebacks\": {\"trans_id\": \"INT\", \"trans_date\": \"DATE\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Transactions (id int, country varchar(4), state enum('approved', 'declined'), amount int, trans_date date)\n",
                "Create table If Not Exists Chargebacks (trans_id int, trans_date date)\n",
                "Truncate table Transactions",
                "insert into Transactions (id, country, state, amount, trans_date) values ('101', 'US', 'approved', '1000', '2019-05-18')",
                "insert into Transactions (id, country, state, amount, trans_date) values ('102', 'US', 'declined', '2000', '2019-05-19')",
                "insert into Transactions (id, country, state, amount, trans_date) values ('103', 'US', 'approved', '3000', '2019-06-10')",
                "insert into Transactions (id, country, state, amount, trans_date) values ('104', 'US', 'declined', '4000', '2019-06-13')",
                "insert into Transactions (id, country, state, amount, trans_date) values ('105', 'US', 'approved', '5000', '2019-06-15')",
                "Truncate table Chargebacks",
                "insert into Chargebacks (trans_id, trans_date) values ('102', '2019-05-29')",
                "insert into Chargebacks (trans_id, trans_date) values ('101', '2019-06-30')",
                "insert into Chargebacks (trans_id, trans_date) values ('105', '2019-09-18')"
            ],
            "enableRunCode": true,
            "enableTestMode": false,
            "enableDebugger": false,
            "envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"], \"pythondata\": [\"Pandas\", \"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0</p>\"], \"postgresql\": [\"PostgreSQL\", \"<p>PostgreSQL 16</p>\"]}",
            "libraryUrl": null,
            "adminUrl": null,
            "challengeQuestion": null,
            "__typename": "QuestionNode"
        }
    }
}