在WebIDE的Preferences里，启用SAP WebIDE扩展：SAP Cloud Platform Business Application development tools：
设置该WebIDE连接的SAP云平台CloudFoundry环境：
新建一个项目，类型选择SAP Cloud Platform Business Application：
该srv实现类型选择为Java，package设置为my.app, 数据库技术选择SAP HANA database：
自动生成项目文件，用MTA Editor打开yaml文件：
看到了db和srv两个模块：
在db模块的data-model.cds里维护数据库表的结构：
点击build之后，
如果遇到下面的错误，检查WebIDE连接的CloudFoundry环境，是否分配了hdi-shared plan.
6:21:34 PM (Provision) Could not create the 'Products-Products-db-hdi-container8HPfzrS/PBqVvnsD' instance of the 'hana' service type for the 'Products-db-hdi-container' resource. No hdi-shared plan available found in this space.
6:21:34 PM (Provision) Provision fail since one of the provision tasks finished with error.
6:21:34 PM (Executor) The "task for hdb build" provision finished with an error: Provision failed. See console for more details.
6:21:34 PM (HDB) Build of /Products/db failed due to Provision failed. See console for more details..
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