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{
  "title": "数据库优化与数据处理脚本",
  "description": "提供了一系列的数据库操作脚本，包括表结构创建、存储过程定义以及数据处理逻辑",
  "mainContent": [
    "### 数据库表结构创建"
    ```
    DROP TABLE IF EXISTS usertb;
    CREATE TABLE usertb (
        id serial,
        uname VARCHAR(20),
        ucreate_time DATETIME,
        age INT(11),
        ENGINE=MYISAM DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci AUTO_INCREMENT=1 ROW_FORMAT=COMPACT;
    ```
    "## 数据库索引配置"
    "### 存储过程实现"
    ```
    DELIMITER $$ SET AUTOCOMMIT = 0;
    DROP PROCEDURE IF EXISTS test1;
    CREATE PROCEDURE test1()
    BEGIN
        DECLARE v_cnt DECIMAL(10) DEFAULT 0;
        dd: LOOP
            INSERT INTO usertb VALUES
                (NULL, '用户1', '2010-01-01 00:00:00', 20),
                (NULL, '用户2', '2010-01-01 00:00:00', 20),
                -- 其他插入语句...
            COMMIT;
            SET v_cnt = v_cnt + 10;
            IF v_cnt = 100 THEN LEAVE dd;
            END IF;
        END LOOP dd;
    END$$
    DELIMITER ;;
    CALL test1();
    ```
    "### 数据库优化配置"
    ```
    CREATE TABLE `vote_record_memory` (
        `id` INT(10) UNSIGNED AUTO_INCREMENT,
        `user_id` VARCHAR(20) NOT NULL DEFAULT '',
        `vote_num` INT(10) UNSIGNED DEFAULT 0,
        `group_id` INT(10) UNSIGNED DEFAULT 0,
        `status` TINYINT(2) UNSIGNED DEFAULT 1,
        `create_time` DATETIME DEFAULT '0000-00-00 00:00:00',
        PRIMARY KEY (`id`),
        KEY `index_user_id` (`user_id`) USING HASH
    ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
    ```
    "## 数据处理功能开发"
    "### 投票记录生成"
    ```
    DROP FUNCTION IF EXISTS `rand_string`;
    CREATE FUNCTION `rand_string`(n INT) RETURNS VARCHAR(255) CHARSET 'utf8' 
    BEGIN
        -- 生成随机字符串逻辑...
    END;
    
    DROP PROCEDURE IF EXISTS `add_vote_record_memory`;
    CREATE PROCEDURE `add_vote_record_memory`(IN n INT)
    BEGIN
        WHILE i < n DO
            -- 生成随机数据并插入数据库...
        END WHILE;
    END$$
    CALL `add_vote_record_memory`(10);
    ```
    "### 数据验证与统计"
    ```
    SELECT count(*) FROM `vote_record_memory`;
    INSERT INTO vote_record SELECT * FROM `vote_record_memory`;
    SELECT count(*) FROM `vote_record`;
    ```
  "keywords": ["数据库优化", "存储过程", "MySQL", "数据库设计", "数据处理", "索引优化"]
}

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