看本篇之前可以相应阅读以下Trigger相关文章: 1.https://developer.salesforce.com/page/Trigger_Frameworks_and_Apex_Trigger_Best_Practices...,发现还是很有必要将Trigger单独写出来一篇,让新手更好的了解Trigger。...
Apex used quotes around the column names when creating the table. Looks like a bug in apex to me. I bet if I installed the latest version of application express this would be fixed. The rpm for oracle-xe contains version 2.x of apex. I guess lesson here is avoid gui wizard tools ...
trigger很常用,无论是在HANA还是在Oracle中 请直接看代码 CREATE TABLE TARGET ( A INT); CREATE TABLE SAMPLE ( A INT); CREATE...TRIGGER TEST_TRIGGER_WHILE_UPDATE AFTER UPDATE ON TARGET BEGIN DECLARE found INT := 1; DECLARE 72820 Salesforce学习 What is Trigger in Salesforce?
"Oracle Database Advanced Application Developer's Guide" Parent topic:Managing Database Objects with Object Browser 2.15.1Creating Triggers Create a trigger using Object Browser. To create a trigger in Object Browser: On the Workspace home page, clickSQL Workshopand thenObject Browser. ...
// in the middle of being modified by the statement which fired it. // *Action: Rewrite the trigger (or function) so it does not read that table. 出现这个错误,是因为在行级触发器中,不能查询自身表。即在某表的行级触发器中不能读取当前表的问题。ORACLE行级触发器(FOR EACH ROW),不能对本...
http://www.onejava.com/article/oracle/wip/wiptop.htm https://docs.oracle.com/cd/A60725_05/html/comnls/us/index.htm http://www.oracle.com/technetwork/cn/developer-tools/apex/getting-started-094884-zhs.html https://docs.oracle.com/cd/B34956_01/current/html/docset.html...
// in the middle of being modified by the statement which fired it. // *Action: Rewrite the trigger (or function) so it does not read that table. 出现这个错误,是因为在行级触发器中,不能查询自身表。即在某表的行级触发器中不能读取当前表的问题。ORACLE行级触发器(FOR EACH ROW),不能对本...
MyHelloWorld my= new MyHelloWorld(); //creating instance of apex class my.addHelloWorld(accs); // calling method from the apex class } Class: public class MyHelloWorld { public void addHelloWorld(List<Account> accs) { for (Account a:accs) ...
that Oracle Reports attempts to format the layout object. To suppress a record or change a value of a column based on a condition, create a format trigger on the item. If you are basing the condition in the trigger based upon a value of an object in the report, make sure that you ...
SUPPRESSTRIGGERS:该参数是suppress triggers两个单词合并而来,可以理解为抑制触发器。当我们做OracleGoldengate初始化时,灾备端的复制进程Replicat启动之前必须要做的一个步骤就是禁用触发器(为什么要这么做暂不讨论)。常用的做法是在灾备端sqlplus中执行语句来禁止触发器,例如: ...