Oracle PL/SQL编程之包(packages) 1、简介 包用于在逻辑上组合过程和函数,它由包规范和包体组成。 我们可以使用create package来创建包,代码如下: ok,包创建完成,通过包的代码发现包的功能就是申明包中包含的过程和方法,红框申明包中包含一个参数为name和newSal的过程名为update_sal的函数。 绿框申明包中包含一...
FROM USER_OBJECTS WHERE object_type IN ('PROCEDURE', 'FUNCTION', 'PACKAGE', 'PACKAGE BODY'); 1. 2. 3. USER_SOURCE:视图存储子程序和程序包的源代码 SELECT line, text FROM USER_SOURCE WHERE NAME='TEST'; --注意大写 1. 2. 3. ORACLE内置程序包: 例: SQL> SET SERVEROUTPUT ON SQL> BEGI...
--IN 下限 1,上限10 “REVERSE” 代表递减,如果去掉“REVERSE”的话,就是打印1,2,3...10; BEGIN FOR i IN REVERSE 1..10 LOOP DBMS_OUTPUT.PUT_LINE(i); END LOOP; END; 1. 2. 3. 4. 5. 6. 7. PL/SQL的嵌套循环与退出语句 嵌套循环和标号 嵌套循环是指在一个循环语句中嵌入另一个循环语句...
Changes in This Release for Oracle Database PL/SQL Packages and Types Reference 1 Introduction to Oracle Supplied PL/SQL Packages & Types 2 Oracle Application Express Packages APEX_APPLICATION Through APEX_ZIP 3 CTX_ADM 4 CTX_ANL 5 CTX_CLS 6 CTX_DDL 7 CTX_DOC 8 CTX_ENTITY 9 CTX_OUTPUT ...
Chapter 17. Packages A package is a grouping or packaging of PL/SQL code elements. Packages provide a structure (both logically and physically) in which you can organize your programs and … - Selection from Oracle PL/SQL Programming, Third Edition [Boo
Starting with Oracle Database 19c, Release Update 19.23, the initialization parameterSESSION_EXIT_ON_PACKAGE_STATE_ERRORallows you to specify behavior in the event package state is invalidated. When a stateful PL/SQL package undergoes modification, the sessions that have an active instantiation of th...
4.3. Installation Instructionss This section describes how to install the PL/Vision Lite product and to use the PL/Vision Online Reference and the other files on the companion disk (view disk … - Selection from Advanced Oracle PL/SQL Programming with P
I assumed that we already have CUSTOMERS table created in our database as mentioned in the PL/SQL - Variables chapter.CREATE OR REPLACE PACKAGE BODY cust_sal AS PROCEDURE find_sal(c_id customers.id%TYPE) IS c_sal customers.salary%TYPE; BEGIN SELECT salary INTO c_sal FROM customers WHERE ...
PL/SQL工具连接Oracle数据库的时报错:ORA-12638: 身份证明检索失败的解决方法... 地客户端用PLSQL Developer连接远程数据库时提示: ORA-12638: 身份证明检索失败!!! 解决一: 此目录下F:\myorcl\product\11.2.0\client_1\network\admin找到sqlnet.ora文件: 如果存在SQLNET.AUTHENTICATION_SERVICES= (NTS)设置,...
Storing PL/SQL function in the Database : Function « Function Procedure Packages « Oracle PL/SQL TutorialOracle PL/SQL Tutorial Function Procedure Packages Function create [or replace] function function name (parameters) return ... is ... begin ... end; ...