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Chroma DB本地向量数据库实战：三行代码搭建中文语义搜索向量数据库是支撑RAG、智能客服和知识库系统的核心基础设施，其本质是通过近似最近邻（ANN）算法在高维空间中实现语义相似度检索。相比传统SQL数据库依赖B+树索引的精确匹配，向量数据库更关注‘意思相近’而非‘字面一致’，技术价值在于突破关键词匹配瓶颈，显著提升非结构化文本的召回质量。典型应用场景包括企业内部知识库问答、多源文档智能归档、以及低代码AI原型验证。本文聚焦轻量级开源方案Chroma DB，基于SQLite持久化与可插拔嵌入模型设计，详解如何在本地环境快速部署支持中文语义搜索的向量存储服务，并规避阅读详情

Sybase PowerDesigner Physical Data Model Report Model: PhysicalDataModel Report: Report 1 Author:liaoyulin Version: Date: 2014/7/18 Summary: PDM Diagrams 1 Model level diagrams Model level object lists 1 Common Objects 管理员个人信息表（admin）表4-2 管理员个人信息表（admin） "字段名 "类型 "说明 " "adminId "int "Not null " "admin_name "varchar "Not null " "admin_sex "varchar "Not null " "admin_age "int "Not null " "admin_tel "varchar "Not null " "admin_phone "varchar "Not null " "admin_addr "varchar "Not null " "admin_memo "varchar "Not null " 管理员账户表（admin_account）表4-3 管理员账户表（admin_account） "字段名 "类型 "说明 " "admin_account"int "Not null " "ID " " " "admin_usernam"varchar "Not null " "e " " " "admin_passwor"varchar "Not null " "d " " " 业主账户表（custom_account）表4-4 业主账户表（custom_account） "字段名 "类型 "说明 " "custom_account"int "Not null " "ID " " " "custom_usernam"varchar "Not null " "e " " " "custom_passwor"varchar "Not null " "d " " " "custom_yezhuID"int "Not null " 房产表（homes）表4-5 房产表（homes） "字段名 "类型 "说明 " "homesID "int "Not null " "homes_number "varchar "Not null " "homes_lou "varchar "Not null " "homes_type "varchar "Not null " "homes_area "int "Not null " "homes_sell "varchar "Not null " "homes_danyuan"varchar "Not null " "homes_louceng"varchar "Not null " "homes_chaoxia"varchar "Not null " "ng " " " "homes_memo "varchar "Not null " 报修信息表（maintain）表4-6 报修信息表（maintain） "字段名 "类型 "说明 " "maintainID "int "Not null " "maintain_thing "varchar "Not null " "maintain_status "varchar "Not null " "maintain_homesnum"varchar "Not null " "ber " " " "maintain_sdate "datetime "Not null " "maintain_rdate "datetime "Not null " "maintain_tcost "int "Not null " "maintain_scost "int "Not null " "maintainer "varchar "Not null " "maintain_smemo "varchar "Not null " 公告表（notify）表4-7 公告表（notify） "字段名 "类型 "说明 " "notifyID "int "Not null " "notify_conten"varchar "Not null " "t " " " "notify_date "date "Not null " "notify_title "varchar "Not null " "notify_uper "varchar "Not null " 巡查表（xuncha）表4-8 巡查表（xuncha） "字段名 "类型 "说明 " "x , 相关下载链接：https://download.csdn.net/download/qq_43966957/87372756?utm_source=bbsseo

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