MYSQL拆分字符串数组后外链基础数据表再合并

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-- Host: 127.0.0.1    Database: demodb

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-- Server version    5.7.22-log



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--

-- Table structure for table `category`

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DROP TABLE IF EXISTS `category`;

/*!40101 SET @saved_cs_client     = @@character_set_client */;

/*!40101 SET character_set_client = utf8 */;

CREATE TABLE `category` (

  `sid` varchar(50) COLLATE utf8mb4_croatian_ci DEFAULT NULL,

  `name` varchar(50) COLLATE utf8mb4_croatian_ci DEFAULT NULL

) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_croatian_ci COMMENT='分类表';

/*!40101 SET character_set_client = @saved_cs_client */;



--

-- Dumping data for table `category`

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LOCK TABLES `category` WRITE;

/*!40000 ALTER TABLE `category` DISABLE KEYS */;

INSERT INTO `category` VALUES ('mgd','美国的'),('dw','动物'),('mkdw','猫科动物'),('zgd','中国的'),('rl','人类'),('wjd','无机的');

/*!40000 ALTER TABLE `category` ENABLE KEYS */;

UNLOCK TABLES;



--

-- Table structure for table `goods`

--



DROP TABLE IF EXISTS `goods`;

/*!40101 SET @saved_cs_client     = @@character_set_client */;

/*!40101 SET character_set_client = utf8 */;

CREATE TABLE `goods` (

  `sid` varchar(50) COLLATE utf8mb4_croatian_ci DEFAULT NULL,

  `name` varchar(50) COLLATE utf8mb4_croatian_ci DEFAULT NULL,

  `categories` varchar(300) COLLATE utf8mb4_croatian_ci DEFAULT NULL

) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_croatian_ci;

/*!40101 SET character_set_client = @saved_cs_client */;



--

-- Dumping data for table `goods`

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LOCK TABLES `goods` WRITE;

/*!40000 ALTER TABLE `goods` DISABLE KEYS */;

INSERT INTO `goods` VALUES ('jfm','加菲猫','mgd,dw,mkdw'),('qsh','秦始皇','zgd,rl'),('swk','孙悟空','dw,zgd'),('st','石头','wjd');

/*!40000 ALTER TABLE `goods` ENABLE KEYS */;

UNLOCK TABLES;

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-- Dump completed on 2019-06-26 18:51:58