Oracle

Sql*loader is a large data The warehouse chooses the load method to use because it provides the fastest way (direct,parallel). Now, let's put aside the theory and use the example to You quickly understand how sql*loader is used. First of all, let'

As an example of the Scott User's EMP table ----Increase Strategy Begin Dbms_fga. Add_policy ( Object_schema => ' SCOTT ', object_name => ' EMP ', Policy_name => ' Mypolicy1 ', Handler_schema => NULL, Handler_module => NULL, Enable => TRUE,

Oracle 88. 　　What is the inverse of CHR ()?　 　　ASCII () SELECT CHAR (DUAL) from; SELECT ASCII (' A ') from DUAL; 　　89. Connection of Strings SELECT CONCAT (col1,col2) from TABLE; SELECT col1| | COL2 from TABLE; 　　90. How to guide the results of a

oracle| Safety | Problem database security problem has always been one of the focus of attention, we know that a business or organization of the database if the hacker attacks, and these databases and the preservation of very important data, such as

oracle| Performance | optimization 27. Selection of the base table The underlying table (driving table) refers to the table that is first accessed (typically accessed as a whole table scan). Depending on the optimizer, the selection of the

oracle| Conversion Author: eygle Source: BLOG The transformation of the system is often needed in the development, this paper introduces several commonly used transformation methods. 116 binary conversion to 10-system Can be implemented through the

oracle| data Oracle Data slicing technology author: Stream Side home: http://liulee.myrice.com Oracle's Oracle Enterprise 8.0.5 has won the favor of customers with its superior performance, and it provides developers with great flexibility with

oracle| problem 1, in the construction of the library, Catproc must run, otherwise use Rman will appear the following character set error: Rman-00554:initialization of internal Recovery manager package failed Rman-04005:error from Target

Oracle|server Please store some personal documents for your convenience and find them later. Pre-Installation Preparation Ø first install Oracle9iAS need Win2000 Advanced server operating system, has installed service Pack 1,CPU for Pentium500 above,

Oracle Oracle Common fool question 1000 question seven Author: ccbzzp There are a lot of things that can come up to you when you're using Oracle, especially for beginners, today I simply end it, and I want to give it to everyone and hope it helps!

oracle| Data | database A data file corruption, how to open the database? System environment: 1, operating system: Windows Server, machine memory 128M 2. Database: Oracle 8i R2 (8.1.6) for NT Enterprise Edition 3, Installation path:

Look over the Internet many ASP call Oracle method, but there is no special very direct things, so summed up the things of the last one to come up with a way of their own, feel more popular so hereby released #######################################

oracle| Stored Procedures | paging ASP Query Oracle Database paging program, no stored procedures, efficiency is also available. The code is as follows: "' The snow of the Northern Edge (Oracle) without stored procedures------------------------- '

Oracle|server Tblname=request ("TB") Dim objorasession,objoradb Dim Strdbuser,strdbpwd,strdbconn Call Connectdb () Sub connectdb () ' Connect to the database On Error Resume Next Strdbuser = "Liujincai" ' Connection user name Strdbpwd = "ljc1001"

Oracle| in the work of the author has a millions record of the table, in the JSP page to the table to be displayed, then consider using rownum to do, the following is the specific method (each page Show 20): "SELECT * from TabName where rownumTake 20

Oracle using System.Data.OleDb; Create a new class (Parameters for database connections): public static string Getoracledbconnstr () { Database connection String tempuser= "System", temppassword= "ANDYSTARMKMK", tempdatasource= "Andy"; String

The most basic of Oracle database data objects are tables and views, as well as constraints, sequences, functions, stored procedures, packages, triggers, and so on. The operation of the database can be basically attributed to the operation of the

One of the best features of Racle 10g is the consultant Framework (Advisory framework), a collection of tuning consultants that can help you make the most of your database. One of the consultants,--sql Access Advisor (Access Advisor), recommends

A lot of friends only use the Oracle deletion, but in many cases, he will find the reinstall, point to the next installation of the interface disappeared, often reluctantly had to reload the system, in fact, only your database did not delete clean,

R represents response time (response times). The specific definition is as follows: 1. Target the tasks this are critical to the business. 2. Collect properly scoped, un-aggregated profile data for each task while the task are exhibiting the