{
    "data": {
        "question": {
            "questionId": "3539",
            "questionFrontendId": "3230",
            "categoryTitle": "Database",
            "boundTopicId": 2852426,
            "title": "Customer Purchasing Behavior Analysis",
            "titleSlug": "customer-purchasing-behavior-analysis",
            "content": null,
            "translatedTitle": "客户购买行为分析",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 0,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"55\", \"totalSubmission\": \"162\", \"totalAcceptedRaw\": 55, \"totalSubmissionRaw\": 162, \"acRate\": \"34.0%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Transactions\":[\"transaction_id\",\"customer_id\",\"product_id\",\"transaction_date\",\"amount\"],\"Products\":[\"product_id\",\"category\",\"price\"]},\"rows\":{\"Transactions\":[[1,101,1,\"2023-01-01\",100.00],[2,101,2,\"2023-01-15\",150.00],[3,102,1,\"2023-01-01\",100.00],[4,102,3,\"2023-01-22\",200.00],[5,101,3,\"2023-02-10\",200.00]],\"Products\":[[1,\"A\",100.00],[2,\"B\",150.00],[3,\"C\",200.00]]}}",
            "metaData": "{\"mysql\":[\"CREATE TABLE if not exists Transactions (\\n    transaction_id INT,\\n    customer_id INT,\\n    product_id INT,\\n    transaction_date DATE,\\n    amount DECIMAL(10, 2)\\n)\",\"CREATE TABLE if not exists Products (\\n    product_id INT ,\\n    category VARCHAR(255),\\n    price DECIMAL(10, 2)\\n)\\n\"],\"mssql\":[\"CREATE TABLE Transactions (\\n    transaction_id INT ,\\n    customer_id INT,\\n    product_id INT,\\n    transaction_date DATE,\\n    amount DECIMAL(10, 2)\\n)\\n\",\"\\nCREATE TABLE Products (\\n    product_id INT ,\\n    category VARCHAR(255),\\n    price DECIMAL(10, 2)\\n)\"],\"oraclesql\":[\"CREATE TABLE Transactions (\\n    transaction_id NUMBER ,\\n    customer_id NUMBER,\\n    product_id NUMBER,\\n    transaction_date DATE,\\n    amount NUMBER(10, 2)\\n)\",\"CREATE TABLE Products (\\n    product_id NUMBER ,\\n    category VARCHAR2(255),\\n    price NUMBER(10, 2)\\n)\",\"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"],\"database\":true,\"name\":\"analyze_customer_behavior\",\"postgresql\":[\"CREATE TABLE IF NOT EXISTS Transactions (\\n    transaction_id INTEGER,\\n    customer_id INTEGER,\\n    product_id INTEGER,\\n    transaction_date DATE,\\n    amount NUMERIC(10, 2)\\n);\\n\",\"CREATE TABLE IF NOT EXISTS Products (\\n    product_id INTEGER,\\n    category VARCHAR(255),\\n    price NUMERIC(10, 2)\\n);\\n\"],\"pythondata\":[\"Transactions = pd.DataFrame(columns=['transaction_id', 'customer_id', 'product_id', 'transaction_date', 'amount']).astype({'transaction_id': 'int', 'customer_id': 'int', 'product_id': 'int', 'transaction_date': 'datetime64[ns]', 'amount': 'float'})\",\"Products = pd.DataFrame(columns=['product_id', 'category', 'price']).astype({'product_id': 'int', 'category': 'str', 'price': 'float'})\"],\"database_schema\":{\"Transactions\":{\"transaction_id\":\"INT\",\"customer_id\":\"INT\",\"product_id\":\"INT\",\"transaction_date\":\"DATE\",\"amount\":\"DECIMAL(10, 2)\"},\"Products\":{\"product_id\":\"INT\",\"category\":\"VARCHAR(255)\",\"price\":\"DECIMAL(10, 2)\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "CREATE TABLE if not exists Transactions (\n    transaction_id INT,\n    customer_id INT,\n    product_id INT,\n    transaction_date DATE,\n    amount DECIMAL(10, 2)\n)",
                "CREATE TABLE if not exists Products (\n    product_id INT ,\n    category VARCHAR(255),\n    price DECIMAL(10, 2)\n)\n",
                "Truncate table Transactions",
                "insert into Transactions (transaction_id, customer_id, product_id, transaction_date, amount) values ('1', '101', '1', '2023-01-01', '100.0')",
                "insert into Transactions (transaction_id, customer_id, product_id, transaction_date, amount) values ('2', '101', '2', '2023-01-15', '150.0')",
                "insert into Transactions (transaction_id, customer_id, product_id, transaction_date, amount) values ('3', '102', '1', '2023-01-01', '100.0')",
                "insert into Transactions (transaction_id, customer_id, product_id, transaction_date, amount) values ('4', '102', '3', '2023-01-22', '200.0')",
                "insert into Transactions (transaction_id, customer_id, product_id, transaction_date, amount) values ('5', '101', '3', '2023-02-10', '200.0')",
                "Truncate table Products",
                "insert into Products (product_id, category, price) values ('1', 'A', '100.0')",
                "insert into Products (product_id, category, price) values ('2', 'B', '150.0')",
                "insert into Products (product_id, category, price) values ('3', 'C', '200.0')"
            ],
            "enableRunCode": true,
            "envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Transactions\":[\"transaction_id\",\"customer_id\",\"product_id\",\"transaction_date\",\"amount\"],\"Products\":[\"product_id\",\"category\",\"price\"]},\"rows\":{\"Transactions\":[[1,101,1,\"2023-01-01\",100.00],[2,101,2,\"2023-01-15\",150.00],[3,102,1,\"2023-01-01\",100.00],[4,102,3,\"2023-01-22\",200.00],[5,101,3,\"2023-02-10\",200.00]],\"Products\":[[1,\"A\",100.00],[2,\"B\",150.00],[3,\"C\",200.00]]}}",
            "__typename": "QuestionNode"
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}