甚至连运维人员都没有！而我们的业务又必须保障绝对稳 定，经过反复尝试，我们放弃了自建数据库的方式（坑太 多！填不完） • 目前所有业务全部使用阿里云的PgSQL，针对不同客户的业 务量大小，选择不同配置的数据库，开通简单，拓展扩容 方便。我们的客户也不需要太专业的运维人员就可以直接 使用，（稳如死狗！） Thanks

批量同步 1 3 4 2 云化在线数仓 ： 简化、敏捷、一栈式构筑数据仓库 • 一键实现 十分钟 集群创建部署 • 图形化实例管理及自动监控报警 实例SQL安全审计 实例实时监控 实例配置信息 • 云上多种生态工具配套： DTS数据传输 QuickBI DataV 数据集成 阿里云数据工 具服务 阿里云第三方 服务 … … Kettel 客户案例 – 阿里妈妈数据银行广告业务

postgres:postgres /data_pg # vi /var/lib/pgsql/data/postgresql.conf #pg-10版本，添加或修改以下配置 data_directory = '/data_pg/data/' # mv /var/lib/pgsql/* /data_pg/ #将原数据目录下所有内容移动到新数

...................127 8.13. XML Type ............................................................................................................127 8.13.1. Creating XML Values ..................... ............................................................................128 8.13.3. Accessing XML Values............................................................................129 8.14. Arrays ....................203 9.14. XML Functions ....................................................................................................208 9.14.1. Producing XML Content......................

...............134 8.13. XML Type ...................................................................................................................135 8.13.1. Creating XML Values .................. ............................................................................136 8.13.3. Accessing XML Values...................................................................................137 8.14 ................216 9.14. XML Functions ...........................................................................................................221 9.14.1. Producing XML Content...................

...................135 8.13. XML Type ............................................................................................................136 8.13.1. Creating XML Values ..................... ............................................................................137 8.13.3. Accessing XML Values............................................................................138 8.14. Arrays ....................216 9.14. XML Functions ....................................................................................................220 9.14.1. Producing XML Content......................

...............146 8.13. XML Type ...................................................................................................................147 8.13.1. Creating XML Values .................. ............................................................................148 8.13.3. Accessing XML Values...................................................................................149 8.14 ................232 9.14. XML Functions ...........................................................................................................236 9.14.1. Producing XML Content...................

....................................................................................... 155 8.13. XML Type ........................................................................................ 156 8 Text Search Functions and Operators ..................................................... 253 9.14. XML Functions ................................................................................. 259 9.15 ...................................................................... 2220 D.3. XML Limits and Conformance to SQL/XML ......................................... 2233 E. Release Notes .................

....................................................................................... 164 8.13. XML Type ............................................................................................. Search Functions and Operators .......................................................... 268 9.14. XML Functions ....................................................................................... 274 ...................................................................... 2335 D.3. XML Limits and Conformance to SQL/XML ............................................... 2348 E. Release Notes ...........

...................140 8.13. XML Type ............................................................................................................140 8.13.1. Creating XML Values ..................... ............................................................................141 8.13.3. Accessing XML Values............................................................................142 8.14. JSON Type ....................231 9.14. XML Functions ....................................................................................................235 9.14.1. Producing XML Content......................