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conversion from: http://www.51testing.com /? Uid-239867-action-viewspace-itemid-103705 SQLDifferences between statements, PL/SQL blocks, and SQL * Plus commands The SQL statement isDatabaseThe language of the operation object, including the data definition language DDL, data manipulation language DML,

Chapter 2 procedural performance tuning of PL/SQL applications I. Reasons for PL/SQL Performance problems When the execution efficiency of PL/SQL-based applications is low, it is usually caused by poor

Tags: VARCHAR2 program development phase Statement EXE data IAT list typeIn PL/SQL program development, DML statements and transaction control statements can be used, but many statements (such as DDL statements) cannot be executed directly in PL/SQL. These statements can be implemented using dynamic

Abstract: In the PLSQL development process, the use of SQL and PLSQL can meet most of the requirements, but in some special circumstances, using standard SQL statements or DML statements in PLSQL cannot meet your needs. for example, dynamic table creation or an uncertain operation must be performed dynamically. This requires dynamic SQL. This article describes PL

I. Description Oracle provides a profiler toolkit that allows you to view the performance of each module during PL/SQL Execution. You can download this script from MOS: Implementing andusing the PL/SQL profiler [ID 243755.1] You can also download it from my csdn: Http://download.csdn.net/detail/tianlesoftware/4051100

A6l 06,200 4 Venkat -- thanks for the question regarding "passing an array from Java to PL/SQL", version 8.1.7 You asked Hi Tom, I need to pass String Array from Java to PL/SQL and also returnarray from PL/SQL. I refere

Label:PL/SQL development that little thing----->pl/sql exception handling during development A user-written PL/SQL block inevitably has some errors during execution. The errors involved are not caused by the syntax errors of the program, but because the data being processed

Original Title: Oracle and PL/SQL recipes: a problem-solution approach Author: (US) Josh Juneau Matt arena Translator: Political Commissar Name: turing Program Design Series Press: People's post and telecommunications Press ISBN: 9787115320766 Release Date: June 2013 publication date: 16 open pages: 376 versions: 1-1 category: computer> database> Oracle more about "Oracle

PL/SQL is an extension of Oracle's standard database language. Oracle has integrated PL/SQL into ORACLE servers and other tools, in recent years, more developers and DBAs have started to use PL/SQL. This article describes basic

. 2.4 system trigger event attributes ................................... ........................................ ............................. 55 § 8. 2.5 use the trigger predicate .................................... ........................................ .................................... 56 § 8. 2.6 re-compile the trigger .................................... ........................................ .................................... 56 § 8. 3. Delete and enable triggers ..............

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_

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

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 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

Pl/sql is Oracle's extension of the standard database language, Oracle has integrated PL/SQL into Oracle servers and other tools, and more developers and DBAs have started using Pl/sql in recent years, and this article covers

The ORACLE tutorial is as follows: Oracle PL/SQL getting started. I. Objective of PL/SQL Structured Query Language (SQL) is a common Language used to access relational databases. It is a fourth-generation Language (4GL) and its execution features are non-procedural, that is,

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