ABAP提供了IMPORT/EXPORT 和 SET/GET PARAMETER语句,可对用户内存/服务器内存/数据库进行存储和访问。不过可能很多人对此还不是很了解,下面我们通过实例来测试它们的区别和联系。 1. ABAP Memory 用户登陆后,最多一个系统可以开6个窗口,这在SAP中称为External Mode。 而同一个窗口中,运行某程序后,可以通过CALL T...
ABAP提供了IMPORT/EXPORT 和 SET/GET PARAMETER语句,可对用户内存/服务器内存/数据库进行存储和访问。不过可能很多人对此还不是很了解,下面我们通过实例来测试它们的区别和联系。 1. ABAP Memory 用户登陆后,最多一个系统可以开6个窗口,这在SAP中称为External Mode。 而同一个窗口中,运行某程序后,可以通过CALL T...
SAP 锁机制 摘要:SAP 锁机制转自:http://scnblogs.techweb.com.cn/abap/archives/6.htmlSAP锁机制一、SAP为什么要设置锁: 1,保持数据的一致性 如果几个用户要访问同样的资源,需要找到一种同步访问的方法去保持数据的一致性。比如说,在航班预订系统中,需要检查还有没有空座位,当检查的时候,你不想别人修改...
Data Modelling and Database Design in ABAP Part 4 ttrapp Active Contributor 2007 Mar 09 7:10 AM 1 Kudo 792 Let’s Start an Experiment In the last instalments of this weblog series I dealt with semantic data models, SERM and SAP Data Modeller. Now I cover an completely...
A logical database schema is a symbolic name for adatabase schemain theSAP HANA database. Definition A logical database schema is a transportablerepository objectthat developers must create in theABAP Development Tools (ADT). The only additional attributes in the repository object are its name, ...
subset of the DML scope of all database systems supported by AS ABAP. The database tables that can be processed using Open SQL can be used in ABAP directly as structured types for the declaration of suitable work areas. Only Open SQL supports SAP buffering of table content in theshared ...
在 SAP 系统中,ST22 事务码用于查看 ABAP 程序中的运行时错误,俗称 "dumps"。这些错误通常是由于程序本身、系统配置或者底层数据库操作导致的异常情况。当您遇到错误消息 Return value of the database layer: "SQL dbsl rc: 99" 时,这表明数据库层返回了一个错误代码 99,这通常与数据库 SQL 层的问题有...
RMAN-06094: datafile 612 must be restored, issue in recovery of standby Oracle database 0 374 0 Point in time recovery of the Oracle database fails with the error RMAN-06094: datafile 612 must be restoredOracle Database SAP NetWeaver Application Server for ABAP for SAP Business Suite Oracle ...
To align the PSE on the application server, choose Distribute in the context menu of the node for the relevant application. 的含义是,SAP 系统中的 PSE(Personal Security Environment,个人安全环境)文件在应用服务器上的副本与数据库中的原始 PSE 文件不匹配。PSE 是包含密钥和证书的文件,用于安全通信。此...
SAP has introduced a new kind of lock, independent of the database system. These are called lock objects, and allow data records to be locked in multiple database tables for the whole duration of the SAP transaction, provided that these are linked in the ABAP dictionary by foreign key relat...