pl sql sample programs

that displays a stack of programs and line numbers tracing back to the line on which the error was originally raised.12c:utl_call_stack PackageName DescriptionBacktrace_depth Returns The number of backtrace items in the BackTraceBacktrace_line Returns The line number of the unit at the specified backtrace depthBacktrace_unit Returns The name of the UNIT at the specified backtrace depthConcatenate_subprogram Returns A concatenated form of a unit-quali

Label:1. PL/SQL Overview1) ConceptPL/SQL (procedural language) is an extension of Oracle based on the standard SQL language, enabling you to define variables, use logical control statements, and so on: The default Oracle can only process one SQL statement at a time, Each

discussion, the second part of the combination of a case to explain pl/sql programming. I hope the reader can have a general understanding of Pl/sql programming after reading this article, and lay a foundation for further pl/sql

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/SQL programming process. A robus

typeSyntax:Identifier [constant] datatype [not null] [: = | default expr]Identifier: Specifies the variable or constant name.Constant: a constant.Datatype: used to specify the type of a variable or constantNot NULL: non-null. It must be initialized.:=: The value assignment matchesDefault: Default ValueExpr: Initial Value 1.3. scalar definition rulesDeclare a variable per lineVariable Value assignment: identifier: = value;Variable names can contain up to 30 characters 1.4 Use the % Type attribut

Possible problems: 1. windows Firewall. 2. The environment variable PATH does not contain % ORACLE_HOME % \ bin, which leads to many ORACLE connection setting methods. Four methods are provided here, however, it is mainly about the remote connection method. First case: If the oracle server is installed on the local machine, it will not be said. The connection is just a problem with the user name and password. However, check whether the environment variable % ORACLE_HOME %/network/admin/is set. W

PL/SQL1. Procedures, functions, and triggers are written in PL/SQL2, procedures, functions, triggers are stored in the Oracle database3. PL/SQL is a very powerful process language4, procedures, functions, triggers can be called in a Java programPL/SQL Writing can save a litt

the contained blocks. In addition, whether an abnormal modal is triggered in the declaration part or in the exception handling part, the abnormal modal is immediately transmitted to the inclusion block. When the preceding rules are referenced in the contained block, the processing of abnormal modal will not be executed even if the OTHERS processor is set in the current block. 4 easy to read ● End ID is used for subprograms, triggers, packages, and other program blocks with names. For example:

mix each time here. SQL statements SQL statement is a database query statement, relatively simple is not here to say. Tour slogan sentence Two. Exception section. Exceptions in the database are the same as the mechanism and principle of exceptions in Java, except that the code and format are different, and exceptions in the database fall into three categories: System except

option in the Manage target navigation tree to create a good process as shown in Figure 9.42.Modify Process(1) in the "Sqlplus Worksheet" menu bar Select the File/Open menu command, the creation of the process of the Createprocedure.sql file to modify, after the modification of the creation process.(2) In Enterprise Manager, select the process to modify, right-click, and select the View/Edit Details option in the shortcut menu that appears, as shown in Figure 9.43.(3) A General Information tab

Tags: Oracle plsql procedure function in out  Pl-sql storage functions and stored proceduresORACLE provides the ability to store PL/SQL programs in a database, and can run it from anywhere. This is called a stored procedure or function.Procedures and functions are collecti