what is use of materialized view in oracle

package;import Java.util.Scanner; Publicclass Testtwo { PublicStaticvoid Testtwo (String str) {TODO auto-generated Method stubstring[] Strarr = Str.split ("\\s+|[,]");StringBuffer result = new stringbuffer (); for (int i = strarr.length-1;i >=0; i--) {Result.append (Strarr[i] + "");}Result.setcharat (Str.length ()-0, (char) 0);System. out. println ("Reversed order results are:" +result.tostring ());}} package;Import static org.junit.assert.*;import org.junit.Test; Publicclass testtwotest {@Test

is available to our common customers. Any customers running Oracle products on Red Hat Linux Advanced Server or UnitedLinux should seek support from Oracle if they encounter problems that impede the smooth implementation of Oracle. Oracle will diagnose the problem and work

Title: Method Settag (), Gettag () play a role in viewWhy I find such a problem, the main reason is that I encountered when learning Viewholder, then only know how to use. At Google, I found a good explanation on StackOverflow. Hence the translation of one or two.Source Address: Http://stackoverflow.com/questions/5291726/what-

report it generates is only based on the test script, and there is no such report based on the test set, so if you want it, it can be implemented in the test framework.There are still many test requirements that I cannot list one by one. Most of the requirements can be customized in the test framework. Now you can answer the above question. record playback will not be happy. You need an automated testing

What really matters is ability and performance-Talent View of Multinational Corporations "What really matters to a talent is ability and performance, even if he does not have a degree ."When talking about

What is the difference between ViewModel and View,model in MVVM mode?Model: Very simple, is the business logic-related data objects, usually from the database mapping, we can say that the database corresponding to the model.View: Also very simple, is the display of the user

Network enthusiasts always have to master the programming language, which is recommended here: Python. Here's a look at what Python technology hackers will use!Enter the group: 548377875 can get dozens of sets of PDFs Oh!Install dependent packagesMany times readers will find that the personal tools written with the Python library in the large Python community can

What is the difference between ViewModel and View and Model in MVVM mode ?, Mvvmviewmodel Model:It is very simple, that is, the data objects related to the business logic, usually mapped from the database. We can say it is the mo

What is polymorphism? Official statement: different implementation methods for the same interface. In fact, the big vernacular is (taking the parent class and the Child class as an example, it can actually not be limited to this relationship): the parent class has a method (function ), this method (function) is derived

This article mainly introduces the MVVM mode ViewModel and view, model what is the difference? This article explains their function and function respectively, then summarizes the difference between them, the need for friends can refer to the following Model: Very simple, is the business logic related to the data objec

I have been using ACLs for user Rights Management in Web applications, but it is said that RBAC is more powerful than ACLs and where does the advantage manifest itself? Reply content: I have been using ACLs for user Rights Management in Web applications, but it is said that RBAC is more powerful than ACLs and wher

In a framework, I want to output data at the View layer: first, in the controller layer, all the data is assembled and the call model of the call model is called, then, when rendering the View layer template, you don't need to read the database any more, just use the php fun

What do you mean by QQ ID number? The latest version of the QQ in the process of modifying the password does not need to fill in the certificate number, it is recommended to upgrade the QQ to the latest version of the password, change the following steps: 1, login to their QQ, click on the bottom left corner of the main menu icon, and then click the image shown in the "Change Password"; 2,

What is the difference between scanf and getchar? What is the use of getchar? scanfgetchar Let's look at the getchar () function again today and find that it is confused with the knowledge of the scanf function. Find the informati

What is Tencent's credit? Credit is the credit of man, that is, when the use of Tencent some credit problems, this is just a reference I think there is no meaning, after all, like our

valid operations in the execution of a program, with a clear execution sequence between the different operations, if an operation is time consuming or is stuck in a long wait (such as waiting for a network response), the program will not respond to actions such as a mouse and keyboard, This time-consuming thread can be assigned to a separate thread to execute, making the program more interactive.2) thread

　　What is a VPN? 　　The English full name of the VPN is "virtual private network", translation comes from "The fictitious specialized network". As the name suggests, virtual private network we can understand him as a virtual out of the enterprise internal line. This VPN's English full name is "Virtual private network"

Label:To view the current version of the database: select version (); ==> View MySQL version (view in library) +------------+ | version () | +------------+ | 5.5.32-log | +------------+ 1 row in Set (0.00 sec) 　　 status; ==> View current database status, including database version, current user, socket, etc. --------

What is the Outlook Inbox active view for? With the Microsoft Outlook activity view, you can preview content or interact with content directly in your Inbox without having to go to another site. 　　How does Outlook Inbox activity View work? Preview: When you receive an e-m

the request, also can send the request, use it to write the data on the network conveniently. 5. Q: Now the server and client want to establish a socket connection, server only know the client's IP, the port number does not know, can establish a connection? There's no code to look at.A: C and S are relative, the one on which the connection is initiated is C, and