DBMS_OUTPUT.PUT_LINE('Handling PAST_DUE exception.'||acct_num); WHEN OTHERS THEN DBMS_OUTPUT.PUT_LINE('Could not recognize PAST_DUE_EXCEPTION in this scope.'||acct_num); END;--- sub-block ends EXCEPTION WHEN past_due THEN-- does not handle raised exception DBMS_OUTPUT.PUT_LINE('Handl...
Inside the EXCEPTION block the DBMS_OUTPUT.PUT_LINE procedure displays an error message indicating that a division by zero has occurred. Flowchart: Previous:PL/SQL Exception Handling Exercises Home. Next:Handling NO_DATA_FOUND exception in PL/SQL....
procedure verifies that there is room in the class, and that the class exists. */ p_StudentID IN students.id%TYPE, p_Department IN classes.department%TYPE, p_Course IN classes.course%TYPE) AS v_CurrentStudents NUMBER; -- Current number of students in the class v_MaxStudents NUMBER; --...
1 异常处理概念 异常情况处理 (EXCEPTION) 是用来处理正常执行过程中未预料的事件,程序块的异常处理预定义的错误和自定义错误,由于 PL/SQL 程序块一旦产生异常而没有指出如何处理时 , 程序就会自动终止整个程序运行 。 有三种类型的异常错误: 1、 预定义 ( Predef...
In TimesTen, these three types of exceptions are used in the same way as in Oracle Database. Trapping predefined TimesTen errors Trap a predefined TimesTen error by referencing its predefined name in your exception-handling routine. PL/SQL declares predefined exceptions in theSTANDARDpackage. ...
STORAGE_ERROR: 运行 PL/SQL 时,超出内存空间 SYS_INVALID_ID: 无效的 ROWID 字符串 TIMEOUT_ON_RESOURCE: Oracle 在等待资源时超时 oracl 11g: Pl/SQL LANGUAGE REFERENCE ---> 11 PL/SQL error handling ---> Predefined Exceptions 练习1:捕获预定义异常 declare...
This chapter describes the flexible error trapping and error handling you can use in your PL/SQL programs.For more information on error-handling and exceptions in PL/SQL, see "PL/SQL Error Handling" in Oracle Database PL/SQL Language Reference.See...
PL/SQL Exception 抛出和处理 1.获得EXCEPTION 具体信息: 1 dbms_output.put_line('error code is:'||sqlcode);2--输出异常号3 dbms_output.put_line('error message is:'||sqlerrm);4--输出异常内容5 dbms_output.put_line('error position is:'||DBMS_UTILITY.FORMAT_ERROR_BACKTRACE);6--输出异常位置...
假设使用 WCF-Oracle 接收位置与 Oracle 18c 或更高版本结合使用来调用返回复杂对象(如嵌套结构或REF对象)的 Oracle PL/SQL 包。 启用接收位置后,在运行时可能会生成以下错误消息: Microsoft.ServiceModel.Channels.Common.MetadataException:在“...
Oracle PL/SQL之EXCEPTION Test Code: DECLARE BEGIN <<test0>> -- most normal way to handle exception. DECLARE except_test0 EXCEPTION; BEGIN RAISE except_test0; EXCEPTION WHEN except_test0 THEN dbms_output.put_line('test0 except_test0: SQLCODE=' || SQLCODE ||...