在存储过程中,可以使用异常处理(Exception Handling)来处理插入过程中可能出现的错误。异常处理可以保证插入过程的稳定性和可靠性。 在存储过程中,可以使用事务(Transaction)来确保插入操作的原子性和一致性。事务是一组数据库操作,要么全部执行成功,要么全部回滚。
SQL语言分为:DDL数据定义语言,DML数据操纵语言,DCL是数据库控制语言,TC事务控制语言 *DDL数据定义语言(Data Definition Language):是SQL语言集中负责数据结构定义与数据库对象定义的语言,由CREATE、ALTER与DROP,RENAME,TRUNCATE几个语法所组成。 *DML数据操纵语言(Data Manipulation Language),用户通过它可以实现对数据库的...
ORA-06500: PL/SQL: 存储错误 ORA-06501: PL/SQL: 程序错误 ORA-06502: PL/SQL: 数字或值错误 ORA-06503: PL/SQL: 函数未返回值 ORA-06504: PL/SQL: 结果集变量或查询的返回类型不匹配 ORA-06505: PL/SQL: 变量要求多于 32767 字节的连续内存 ORA-06508: PL/SQL: 无法在调用之前找到程序单元 ORA-06...
--第一类用户自定义异常,绑定了系统的定预义错误号-2003 22:57:42 hr@orcl> DECLARE 22:59:54 2 A VARCHAR2(20); 22:59:54 3 INVALID_USERENV_PARAMETER EXCEPTION; 22:59:54 4 PRAGMA EXCEPTION_INIT(INVALID_USERENV_PARAMETER, -2003); 22:59:54 5 BEGIN 22:59:54 6 A := SYS_CONTEXT('USERE...
lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:67) at org....
RAISE[ exception_name ]; 任何PL/SQL 块(包括匿名块、子程序和程序包)都可以有一个异常处理模块,用来处理一或多个异常。对于命名异常,可以编写一个特定的异常处理程序,而不是使用 OTHERS 异常来处理它。特定的异常处理程序比 OTHERS 异常处理程序更有效,因为后者还必须调用一个函数来确定它正在处理哪个异常。
Oracle? Database PL/SQL Language Reference 11g Release 2 (11.2)Chapter 9 PL/SQL Triggers Exception Handling in Triggers In most cases, if a trigger runs a statement that raises an exception, and the exception is not handled by an exception handler, then the database rolls back the effects...
Exception Handling For exception handling, use the following tips. Errors in Oracle Forms PL/SQL If a failure occurs in Oracle Forms PL/SQL and you want to stop further processing, use FND_MESSAGE to display an error message, then RAISE FORM_TRIGGER_FAILURE to stop processing: ...
To test the Exception Handling, right-click on HR_PACK in the navigator and select Run.15 . This time, change the P_INCREMENT value to 5 and click OK. 16 . In this case, an exception was raised with "Invalid increment amount" because the P_INCREMENT value was greater than 1.5. Su...
DBV-00100 on Datafile Larger Than 2GB1070801.6: ORA-00604, ORA-01406: EXECUTING SELECT OR DESCRIBE FROM DBA_ROLLBACK_SEGS109836.1: COMPRESSED IOT BLOCK IS GETTING CORRUPTED307597.1: Bug:3785200: Platform Vulnerability1039248.6: REDIRECTING OUTPUT FOR SQL_TRACE118941.1: ORA-07445 exception ...