example of database application

Recently, because of the need in the work, learning the optimistic lock and pessimistic lock related knowledge, here I pass this article, I myself to these two "lock home" brother understanding record down; -Pessimistic lock: As its name implies, it refers to the conservative attitude of the data being modified by the outside world (including other transactions currently in the system, as well as transactions from external systems), so that the data is locked during the entire data processing p

MVC5 + EF6 simple example --- take the two tables of the original SQLServer database for joint query as an example, mvc5ef6 Tools: VS. net2013, EF6, MVC5, and SQLServer2008 Reference: Http://www.cnblogs.com/slark/p/mvc-5-get-started-create-project.html Http://www.cnblogs.com/miro/p/4288184.html Http://www.cnblogs.com/dotnetmvc/p/3732029.htmlI. Preparations C

interfaces The value of the Spring JDBC Abstraction Framework is reflected in the following areas: (Note: After using the spring JDBC Abstract Framework, the application developer only needs to complete the coding of the italic part.) ） Defining Database Connection Parameters Open a database connection Declaring SQL stateme

up or down to version 101129_185401. * YIIC Migrate Mark 101129_185401 modifies migration historY up or down to version 101129_185401. No actual migration would be performed. * YIIC Migrate history shows all previously applied migration. * YIIC Migrate history shows the last applied migrations. * YIIC Migrate new shows all new migrations. * YIIC Migrate new shows the next migrations that have not been applied. */ In the process of developing the program, the structure of the

Database application Basics --------------------------------Start----------------------- ^_^ Preface: If the basic statement you would have, the first three basic databases with tables and records of simple operations can be skipped. Use language: T-SQL language, database statements Operating environment: SQL Server 2012 ------------------------------------------

Java code into a document rather than embedding it in a Java application. To access external functionality and reusable objects, JSP provides additional markup for interacting with JavaBean components, which are similar in syntax to HTML tags. It is worth noting that HTML syntax is a subset of the JSP syntax (a pure HTML document is a valid JSP page), but the converse is not necessarily correct. Specifically, to facilitate the dynamic generation of c

(FTP upload related configuration )4) global.properties ( Some configuration of Project global )5) Jdbc.properties ( Configuration of database connection )6) log4j.properties ( log related configuration )7) Struts.properties ( only need to change the upload path )8. Other places to be modified (report)　　Report files are located in ops-web\src\main\webapp\birt\ *.rpttemplate　　There is a separate configuration of the

4 Multi-thread application: Database connection PoolCategory: Reading notes 2009-11-09 15:46 747 people read Comments (0) Favorites Report database connection pool Multithreading object Database exception string First of all: this example is from the "C # Thread reference ma

Tutorial | Application instance PHP customize your own register The counter is the most direct way for a web visitor to know the popularity index of the page or site, and the number of visitors is also the best basis for advertising advertisers. Although many sites provide free counters, but after all, not their own hand-made, can not reflect their own characteristics. The following is a detailed discussion of the production process of the Register in

, connect, build, refactor, index, modify, and copy database tables, including Pà€aradox and dBASE files and database tables based on SQL language. And when using DBD to manipulate Paradox or dBASE tables, users do not have to have a Paradox or dBASE database management system. DBD can also copy a format of data and data dictionaries into another format, for

This article mainly introduces the application of PHP session details of the relevant information, the need for friends can refer to the following PHP Session Advanced Application Session in Web technology is very important, because the Web page is a stateless connection program, it is not possible to know the user's browsing status. The session allows you to record information about the user so that the u

1 kettle.properties parameter configuration data source connection and FTP connectionBecause configurations such as database connection FTP in the test environment and production environment are changed during deployment, it is pre-defined as a configuration item, modified in the configuration file, so that testing and publishing will be simple, and the database as an e