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            "questionFrontendId": "1990",
            "categoryTitle": "Database",
            "boundTopicId": 978814,
            "title": "Count the Number of Experiments",
            "titleSlug": "count-the-number-of-experiments",
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            "translatedTitle": "统计实验的数量",
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            "hints": [],
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            "sampleTestCase": "{\"headers\":{\"Experiments\":[\"experiment_id\",\"platform\",\"experiment_name\"]},\"rows\":{\"Experiments\":[[4,\"IOS\",\"Programming\"],[13,\"IOS\",\"Sports\"],[14,\"Android\",\"Reading\"],[8,\"Web\",\"Reading\"],[12,\"Web\",\"Reading\"],[18,\"Web\",\"Programming\"]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Experiments (experiment_id int, platform ENUM('Android', 'IOS', 'Web'), experiment_name ENUM('Reading', 'Sports', 'Programming'))\"\n  ],\n  \"mssql\": [\n    \"Create table Experiments (experiment_id int, platform VARCHAR(7) NOT NULL CHECK (platform IN ('Android', 'IOS', 'Web')), experiment_name VARCHAR(11) NOT NULL CHECK (experiment_name IN ('Reading', 'Sports', 'Programming')))\"\n  ],\n  \"oraclesql\": [\n    \"Create table Experiments (experiment_id int, platform VARCHAR(7) NOT NULL CHECK (platform IN ('Android', 'IOS', 'Web')), experiment_name VARCHAR(11) NOT NULL CHECK (experiment_name IN ('Reading', 'Sports', 'Programming')))\"\n  ],\n  \"database\": true\n}",
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            "mysqlSchemas": [
                "Create table If Not Exists Experiments (experiment_id int, platform ENUM('Android', 'IOS', 'Web'), experiment_name ENUM('Reading', 'Sports', 'Programming'))",
                "Truncate table Experiments",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('4', 'IOS', 'Programming')",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('13', 'IOS', 'Sports')",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('14', 'Android', 'Reading')",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('8', 'Web', 'Reading')",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('12', 'Web', 'Reading')",
                "insert into Experiments (experiment_id, platform, experiment_name) values ('18', 'Web', 'Programming')"
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