数据库触发器(database triggers)是响应插入、更新或删除等数据库事件而执行的过程。它定义了当一些数据库相关事件发生 …www.itpub.net|基于39个网页 2. 触发器的使用 Oracle 9i 初学者指南 - 读书网|DuShu.com ... 触发器的使用( Database Triggers) 用户的管理( User Authentication Method…www.dushu.com...
Triggers and inference in database systems. In Michael Brodie and John Mylopoulus, ed- itors, On Knowledge Base Management Systems: Integrating Arti cal intelligence and Database Technologies, pp. 297-314. Springer Verlag (1986).M. Stonebraker, \Triggers and Inference in Database Systems," ...
to maintain an audit trail or ensure that the original data remains accessible in the event of accidental changes. For example, the same HR application may contain a trigger that is executed when an employee’s bank details are changed. The trigger first saves the original information to another...
database features and constraints, such as triggers and referential integrity • details to manage database users, such as permissions and accounts details. To be useful in the embedded device, a database system must then have a reliable and efficient ‘data modeling’ scheme to create the co...
DefiningBEFORE ROWtriggers that fire for update operations (other triggers are allowed) Direct-path loading Inserting data using parallel DML Converting a regular table to a blockchain table or vice versa XA transactions 2.持久化内存存储支持 - Persistent Memory Store ...
To the extent that they are available from the target DBMS, you can extract the following: Tables Views Primary keys Foreign keys Indexes Triggers (including code) Check clauses (including code) Stored procedures (including code) Prepare to start the wizard ...
Or, if you are logging in remotely: $ sqlplus system@xe_server_host_nameEnter password:SYSTEM_password At the SQL prompt, enter the following command: SQL> EXEC DBMS_XDB.SETLISTENERLOCALACCESS(FALSE); 4.5Compiling the Oracle ODBC Driver Demos ...
-o triggers.sql -b %namespace%/schema/triggers -c %namespace%/config/ora2pg.conf ora2pg -p -t TYPE -o types.sql -b %namespace%/schema/types -c %namespace%/config/ora2pg.conf ora2pg -p -t VIEW -o views.sql -b %namespace%/schema/views -c %namespace%/config/ora2pg....
Defining BEFORE ROW - triggers that fire for update operations (other triggers are allowed) Direct-path loading Inserting data using parallel DML Converting a regular table to a blockchain table or vice versa XA transactions 2. 持久化内存存储支持 - Persistent Memory Store ...
Monitoring, Tuning, and Resource Governers 标准实践 这里汇总一下论文中所有提到的,流行的数据库系统在上面各个章节讨论的话题上,所采用的实现方式。 进程模型的标准实践 Process per DBMS worker IBM DB2 在不支持高质量的 OS Thread 的系统上默认使用 Process per DBMS worker 模式,在支持高质量 OS Thread 的...