pl sql exception handling examples

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PL/SQL Exception error handling and plsql error handling

PL/SQL Exception error handling and plsql error handlingZookeeper Exception HandlingA good program should be able to correctly handle all kinds of errors and recover from errors as much as possible. ORACLE provides EXCEPTION and

PL/SQL Exception handling method

Tags: PL/SQL Exception handling methods 1: What is exception handling: PL/SQL provides a function to handle exceptions, called

PL/SQL Exception Handling Method

PL/SQL Exception Handling Method 1: What is Exception Handling? PL/SQL provides a function to handle exceptions, which is called

PL/SQL Exception error handling

 Exception error HandlingA good program should be able to properly handle all kinds of error situations and recover from them as much as possible. ORACLE provides exception conditions (EXCEPTION) and exception handling (EXCEPTION

PL/SQL exception handling for Oracle database

Label:PL/SQL exception handling for Oracle databaseExceptions are abnormal events that occur during the course of a program's operation, usually caused by hardware problems or programming problems. Even the best-written programs may encounter errors or unanticipated events during the PL/

PL/SQL Exception error handling

 Exception error HandlingA good program should be able to properly handle all kinds of error situations and recover from them as much as possible. ORACLE provides exception conditions (EXCEPTION) and exception handling (EXCEPTION

Pl/sql Exception Handling

When designing a Pl/sql program, this or that error occurs frequently, and exception handling is the segment of the program that handles the error, and the exception handling in Oracle 9i is divided into system predefined

PL/SQL Exception error handling

PL/SQL Exception error handling A good program should be able to correctly handle all kinds of errors and recover from errors as much as possible. Oracle provides EXCEPTION and exception handler for error

Introduction to Pl/sql exception handling

1. Definition Exception: The identifier produced during the execution of the Pl/sql, and a warning or error in Pl/sql is called an exception. Errors usually fall into two categories: Compile-time errors-typically syntax errors,

Pl/sql Exception Handling

When designing a Pl/sql program, this or that error occurs frequently, and exception handling is the segment of the program that handles the error, and the exception handling in Oracle 9i is divided into system predefined

PL/SQL basics-Exception Handling

PL/SQL basics-Exception Handling Exception HandlingI. Exception typeThere are two types of Oracle exceptions: system exceptions and custom exceptions.System exceptions are classified into pre-defined exceptions and non-pre-defined

Oracle PL/SQL non-predefined exceptions, custom exception handling, RAISE_APPLICATION_ERROR

Oracle PL/SQL non-predefined exceptions, custom exception handling, RAISE_APPLICATION_ERROR throwing exceptions Oracle has three types of exception errors: 1. there are about 24 Predefined ORACLE exceptions. To handle this exception

Pl-sql Programming Basics (4) Exception handling

Exception handling:Even if a good Pl-sql program encounters errors or unforeseen events, a good program should be able to handle all kinds of error situations and recover as much as possible from the error. An error that occurs while the program is running becomes an exception. After an

Oracle Note VII. PL/SQL exception handling

exception named Ex_custom_error so that the exception can be caught Begin INSERT INTO Dept values (' AAA ', ' BBB '); exception When Ex_custom_error Then Dbms_output.put_line (' sector number already exists '); End --Exception handling

Standard Oracle PL/SQL Exception Handling

Environment: ORCLE 10GAn SQL statement is displayed separately. How to handle exceptions.1) Standard PL/SQL blocks containing Exception HandlingDECLARENo_Detail_record EXCEPTION;PRAGMA EXCEPTION_INIT(No_Detail_record,-20000 );V_nDetailCount number;BEGINSelect count (*) into

A Brief Introduction to Oracle Database PL/SQL Exception Handling Code

We know that any programming language can handle exceptions, such as Java and C ++.Oracle DatabaseHow to handle exceptions? In fact, the handling of Oracle Database exceptions is actually very simple. This article givesPL/SQL Exception HandlingThe Code is as follows: declare e_1exception; begin begin dbms_output.put_line('0000000');

Basic PL/SQL programming (4) [LOOP WHILE FOR] [Exception Handling and custom exceptions]

Handling table:The case is below5. Handling exceptions in OracleDeclareX varchar2 (10 );BeginSelect a1 into x from a where a2 = 'qw'; -- query the value and assign it to the variable.Dbms_output.put_line ('x value '| x );Exception-- Exception Handling data. What should I do

Basic PL/SQL programming (2) [LOOP WHILE FOR] [Exception Handling and custom exceptions]

Handling table:The case is below5. Handling exceptions in OracleDeclareX varchar2 (10 );BeginSelect a1 into x from a where a2 = 'qw'; -- query the value and assign it to the variable.Dbms_output.put_line ('x value '| x );Exception-- Exception Handling data. What should I do

Oracle PL/SQL exception handling

Exceptions in Oracle database: no exception is transferred because there is no distinction between a inspected exception and a non-inspected exception.1. The generation of exceptions:2. Handling of Exceptions:Declare--Variable definition, initialization assignment.Begin--Assignment of variables, function calls, if,whil

PL/SQL Lightweight version (iii)--Cursors and exception handling

%NOTFOUND boolean attribute, with % ROWCOUNT%ISOPEN Boolean property, the value is always FALSE. SQL command closes implicit cursor immediately after execution Example:--Print employee InformationDECLAREv_sal Employees.last_name%type; --v_id indicates that v_id will be entered by the externalv_id employees.employee_id%Type:= v_id;BEGIN UPDATEEmployeesSETSalary=Salary*1.2 WHEREemployee_id=v_id; IFSql%NOTFOUND ThenDbms_output.put_line ('no such perso

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