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在 SAP HANA 数据库编写 Database Procedure 的两种方式

SAP HANA 数据库提供了多种用于数据库级别应用逻辑的编程选项。数据库程序（用于实现应用逻辑）可以编写为遵循 SAP HANA 数据库 SQLScript 语法的查询(query).数据库程序(database procedure)可以具有多个输入参数和输出参数；它们可以是标量(scalar)类...

ABAP 系统里 SAP Locks 和 Database Locks 的区别

看下面这张图：SAP LUW 和 SAP 锁的持续时间显示在下图左侧。对话工作流程(Dialog Work Process)执行包含三个屏幕（输入窗口）的 SAP 对话事务。每个屏幕对应一个数据库LUW。一旦用户进行了输入，数据库 LUW 就结束。然后通过对话工作进程恢复处理。第二次...

SAP HANA Database Explorer 里的 SQL 语句如何排错 trouble shoot

调试器可用于帮助查找过程、函数或匿名块中的问题。以下步骤演示了如何使用调试器来调试过程。选中某个存储过程，右键，选择 Open for debugging：从调试器附加选项对话框中，确保选择了 SQL 控制台连接。通过单击行号旁边的在过程中设置断点。行号旁边将出现一个复选标记，表示已设置断点。在...

SAP HANA Database Explorer 里 SQL console 的用法

首先选择某个 database connection，然后打开 SQL console:点击 … 即三个点的按钮，可以看到更多选项：在 SQL console 里输入 SQL 语句，点击执行即可：messages 标签页里可以看到更多明细：有时您需要执行一条需要很长时间才能运行的 SQL 语句——这...

什么是SAP HANA Database Procedure(数据库过程)

SAP HANA数据库给开发人员提供了一种编程方式的选择，能够在数据库层直接编写应用逻辑。这些应用逻辑可以实现在所谓的数据库过程(database procedure)里，实现语言为SAP HANA SQLScript.The SAP HANA database comes with a varie...

什么是SAP HANA Database Procedure(数据库过程)

SAP HANA数据库给开发人员提供了一种编程方式的选择，能够在数据库层直接编写应用逻辑。这些应用逻辑可以实现在所谓的数据库过程(database procedure)里，实现语言为SAP HANA SQLScript.我们可以把数据库过程简单地类比成一个只能进行数据库读写相关方面的函数，能接收任意...

在SAP WebIDE Database Explorer里操作hdi实例

在WebIDE里将SAP HANA Database Explorer启用：打开database Explorer视图：添加一个数据库：数据库实例作为HDI容器被添加： When the database was created for you in your trial subaccount...

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更新时间 2024-01-14 21:23:47

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数据库网关

数据库网关（Database Gateway）是一种支持私网数据库远程访问的数据库连接服务。通过数据库网关，用户可以使用应用程序或云服务访问并管理本地IDC或其他云厂商的数据库。

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