pl sql basics

Dynamic Content Summary: In the Pl/sql development process, the use of sql,pl/sql can achieve most of the requirements, but in some special cases, the use of standard SQL statements or DML statements in

Use of PL/SQL DBMS_ SQL package (1) (Study Notes), pldbms_ SQL Dbms_ SQL packageThe dbms_ SQL package is another method provided by the system to use dynamic SQL:Follow these steps to use the DBMS_

The results returned by the recent SQL query cause a ORA-06502 error to the PL/SQL variable. The error description is ORA-06502: PL/SQL: numeric or value error: character string buffer too small. obviously, the length of the character variable definition is not enough. It is

, Many of Oracle's latest features have emerged. PL/SQL is also the cornerstone of a very successful Oracle Application Express. Both authors of this book have over 20 years of experience in database application development and are familiar with various problems related to Oracle database operations using PL/SQL. In th

In general PL/SQL programming, SQL can be used directly in DML and transaction-controlled statements, but DDL statements and system control statements cannot be used directly in PL/SQL, and it is possible to implement DDL statements and system control statements in

Many Oracle database developers prefer PL/SQL functions, storage, and so on to simplify the code. Recommended reading: Use PL/SQL to execute java storage to obtain the MAC address For example: Select empno, ENAME, DNAME, loc from emp, dept where emp. DEPTNO = DEPT. DEPTNO; Developers may think that such an

Label:http://uule.iteye.com/blog/2061773 (source) Bulk Import Script : Open a Command Window > enter @ > It will let you select the file you want to import (you need to know the order of the imported files, Plsql will not automatically recognize this or write a script like LS) such as: @d:\svn\1.5 database Script \oracle\import2.sql http://blog.csdn.net/hbhgjiangkun/article/details/8208565 1, PL/

In general PL/SQL programming, SQL can be directly used in DML and transaction control statements, but DDL statements and system control statements cannot be directly used in PL/SQL, to use DDL statements and system control statements in

Anonymous PL/SQL block reviewDECLARE (optional) defines the object to be used in a PL/SQL block BEGIN (MUST) EXECUTE statement EXCEPTION (optional) error-handling statement END; Must Anonymous blocks (starting with declare or begin) are compiled each time they are used. anonymous blocks are not stored in the dat

Many oracle database developers prefer PLSQL functions and storage to simplify the code. Many oracle database developers prefer PL/SQL functions, storage, and so on to simplify the code. Many Oracle database developers prefer PL/SQL functions, storage, and so on to simplify the code. Recommended reading: Use

In the process of operation, it is sometimes necessary to send the data result set of SQL query in HTML form, so it is necessary to stitch the result set of SQL query into HTML code. There are usually two different ways to do this. One is to use the cron job directly to poll and do it using the OS level mail program. Its query result set can be directly under Sql

Http://hi.baidu.com/yunfanleo/blog/item/fa65fcfd91916346d7887d25.html PL/SQL developer PL/SQL developer is an integrated development environment dedicated to the development of Oracle database storage program units. Nowadays, more and more business logic and application logic are turning to Oracl

What is PL/SQL?• PL/SQL is a programming language developed by Oracle and dedicated to Oracle • PL stands for procedurallanguage • SQL stands for structuredquery language • PL/

manipulation language and query statements to be included in the Block structure (block_structured) and the code process language, making PL/C a powerful transactional language. In Oracle database management, PL/SQL is a procedural language extension to Structured Query Language (SQL). The purpose of

47 common Oracle PL/SQL Toolkit, oracleplsql47 Oracle PL/SQL Utility Library Common PL/SQL Toolkit code, including: PDF file generation Toolkit: Excel file generation, RTF file generation, Zip file compression and decompression,

Shortcut:===============================================================================Edit/undo Ctrl + ZEdit/redo shift+ctrl+zEdit/pl/sql beautifier ctrl+w (Custom) shift+home Select the cursor position to the beginning of the line shift+ end Select the cursor position to the end of the line ctrl+shift+home Select the cursor position to the beginning of the first line ctrl+shift+end Select cursor p

PL/SQL usage tipsEdit/undo Ctrl+zedit/redo shift+ctrl+zedit/pl/sql beautifier ctrl+w (Custom) Shift+home Select the cursor position to the beginning of the line Shift+end select the cursor position To the end of the line Ctrl+shift+home select the cursor position to the beginning of the first line Ctrl+shift+end select

In SQL, PL/SQL functions are used. Many oracle database developers prefer PL/SQL functions and storage to simplify the code. for example, select empno, ENAME, DNAME, loc from emp, dept where emp. DEPTNO = DEPT. DEPTNO; for such an SQL