sybex csharp database programming

... database management systems have responded by providing support for the management and storage of these large objects within the database itself This chapter discusses the use of relational databases ... upload images to a database, and to retrieve them for display in a browser Large Objects Support for large objects (LOBs) is an important feature of modern object relational databases The SQL3 ... gives an example of a simple stored procedure that checks a user name and password against the database, returning the String "PASS" if a match is found or "FAIL" otherwise Listing

Ngày tải lên: 18/10/2013, 00:15

... Trang 1Database Programmingwith C# CARSTEN THOMSEN Trang 2Database Programming with C#Copyright © 2002 by Carsten Thomsen All rights ... forobtaining more information Database Consistency Checker The Database Consistency Checker (DBCC) is used for checking the logic as well as the consistency of your databases using T-SQL DBCC statements ... would create a stored procedure for the exampleUserMan database: 1 Open up the Server Explorer window 2 Expand the UserMan database on your database server 3 Right-click the Stored Procedures node

Ngày tải lên: 27/10/2013, 07:15

... three types of databases we used in this book: using stored procedures to update and delete data in (1) Microsoft Access 2007 database, (2) SQL Server database, and (3) Oracle database To save ... different databases using the runtime object method Because of the coding similarity between these three databases, we will concentrate on updating and deleting data in the SQL Server database ... Access database Perform the following tasks to fi nish this project 1 Modify the existing project to access the Microsoft Access database 2 Create stored procedures in the Microsoft Access database

Ngày tải lên: 28/10/2013, 16:15

... Server database, in this chapter we only use the SQL Server database and the Oracle database as our target databases to illustrate how to select, display, and manipulate data against our sample database ... service. • Database connectivity. The Database connectivity allows the Web application to transfer data to and from database sources. Generally, it is not recommended to allow users to access the database ... Database Programming With Visual C#.NET, by Ying Bai Copyright © 2010 the Institute of Electrical and Electronics Engineers, Inc. 625 We have provided a very detailed discussion on database programming

Ngày tải lên: 07/11/2013, 11:15

... sample database Drag... sample database because we will use this faculty as an example to insert it into our sample database To confirm that, open the Faculty table from our sample database ... the query string from the SQL Server database to the Oracle database The Oracle database assignment operator =: is used to replace the SQL Server database assignment operator LIKE @ B ... Management Studio Express. On the opened Studio Express window, click on the Database and expand our sample database, C:\database\ SQLServer\CSE_DEPT.mdf , to display all fi ve tables. Since we are

Ngày tải lên: 07/11/2013, 11:15

... when we created our sample database in Chapter 2 , we do not need any login ID and password for the database connection in our application One important issue is the database we are using is not ... project to access the Oracle database to obtain required information • Build a professional ASP.NET Web Service project to insert new information into the Oracle database • Build a professional ... and delete information against the Oracle database Based on these procedures, we can start to build our fi rst Web Service project ACCESS SQL SERVER DATABASE To create a new ASP.NET Web Service

Ngày tải lên: 07/11/2013, 11:15

... insert the desired course information into our sample database and two of them are used to retrieve the new inserted course information from the database to test the data insertion The fourth Web ... pair of methods with the fi rst used to insert data into the database and the second used to retrieve the new inserted data from the database to confi rm the data insertion, method 3 contains both ... into the Course table in our sample database This method will return an integer to indicate the number of rows that have been successfully inserted into the database N If this returned integer

Ngày tải lên: 14/12/2013, 15:15

... provided by Oracle Database 10g XE to create our stored procedures Open the Oracle Database 10g XE home page by going to Start|All Programs|Oracle Database 10g Express Edition|Go To Database Home ... provided by Oracle Database 10g XE to create our stored procedures Open the Oracle Database 10g XE home page by going to Start|All Programs|Oracle Database 10g Express Edition|Go To Database Home ... ID=CSE_DEPT;Password=reback; " > Trang 2 The Oracle database server XE is used for the server name, the user ID is the name of our sample database CSE_DEPT , and the password is determined by

Ngày tải lên: 14/12/2013, 15:15

... LogIn table Log on the Oracle Database 10g XE using the customer user name, CSE_DEPT, and the customer database password, and then open the home page of the Oracle Database 10g XE Click on the ... match the one shown in Figure 2.66 Our customer database creation for Oracle Database 10g Express Edition is pleted A completed Oracle 10g XE sample database CSE_DEPT that is represented by com-a ... use this sample database in your Visual C# applications At this point, we have fi nished developing and creating all sample databases we need to use later All of these sample databases will be

Ngày tải lên: 26/01/2014, 08:20

... the model from an existing database. The Wizard steps you through selecting the data source, database, and database objects to include in the EDM. • Choose the Database Connection: You can ... list of connections or click New Database Connection to open the Connection Properties dialog box and create a new connection to the database . • Choose your Database Objects: You can select ... watermark. [...]... databases, such as Microsoft Access, Microsoft SQL Server, and Oracle databases In most cases, you should use the matched version of the Data Provider for a specific database Even

Ngày tải lên: 26/01/2014, 08:20

... assistance to people who are new to database programming with Visual Studio Starting from Visual Studio 2005, Microsoft provides quite... database programming easily and efficiently ... NET Framework 3.5 Quite a number... Server database and a SQL Server database file is that the former is a complete database that integrates the database management system with data tables ... to one of your own database. .. such as the fundamentals of databases, which was introduced in Chapter 2, and ADO.NET, which was discussed in Chapter 3 Also three sample databases developed

Ngày tải lên: 26/01/2014, 08:20

... need to master Java database programming techniques. Companion Web Site Table of Contents Java Database Programming Bible Preface Part I - Introduction to Databases, SQL, and JDBC ... create the database and any of its components After creation, the database may... the database This approach provides a fine degree of control of database access, allowing the database ... understanding of what a relational database is, how to design a relational database, how to create and query a relational database using SQL, and how to write database-centric applications in

Ngày tải lên: 26/01/2014, 18:20

... command used to remove a database is as simple as the CREATE DATABASE command The SQL DROP command is used: DROP DATABASE CONTACTS; Relational databases store data in tables Most databases may contain ... occurred in database 'LEDES', Trang 8table 'ADDRESS_INFO', column 'id' Database-Specific Integrity Rules Database-specific integrity rules are all other integrity constraints on a specific database ... YES Creating, Dropping, and Altering Databases and Tables The basic SQL command used to create a database is straightforward, as you can see here: CREATE DATABASE CONTACTS; Most RDBMS systems

Ngày tải lên: 26/01/2014, 18:20

... the database and control such aspects as user-access privileges Since a database usually represents a significant investment in time and effort, managing users is an important aspect of database ... the types of database objects they can access Access-level privileges can generally be assigned at the following levels: § Global level access to all databases on a given server § Database level ... the database administrator Like groups, roles can be defined by the database administrator as required Managing user groups In addition to defining individual users, many systems allow the database

Ngày tải lên: 26/01/2014, 18:20

... Creating the Database Before we can create a table, we need to create a database This has to be done using the Database Management System itself, because JDBC requires an existing database to ... information about the underlying database is accessible from the DatabaseMetaData interface by using methods such as these: § getURL() § getUserName() § getDatabaseProductName() § getSQLKeywords() ... into the Java programming language With these new interfaces, you can work with SQL3 data types the same way you do other data types Object Relational Databases Object relational databases are

Ngày tải lên: 26/01/2014, 18:20

... private void selectDatabase(){ database = JOptionPane.showInputDialog(this, "Database:","Select database", JOptionPane.QUESTION_MESSAGE); dbUtils = new DatabaseUtilities(); ... the database management system will allow the entire transaction to be cancelled or "rolled back." If, on the other hand, it completes successfully, the transaction can be saved to the database ... Listing 6-6: DatabaseManager — Controller class package jdbc_bible.part2; import java.awt.*; JMenuBar menuBar = new JMenuBar(); JDesktopPane desktop = new JDesktopPane(); String database =

Ngày tải lên: 26/01/2014, 18:20

... private void selectDatabase(){ database = JOptionPane.showInputDialog(this,"Database:", "Select database",JOptionPane.QUESTION_MESSAGE); dbUtils = new DatabaseUtilities(); ... database",JOptionPane.QUESTION_MESSAGE); dbUtils = new DatabaseUtilities(); dbUtils.setDatabaseName(database); dbUtils.setExceptionListener(new ExceptionListener()); tableMenu.enableMenuItem("New ... = JOptionPane.showConfirmDialog(null, "Dropping table "+tableName, "Database "+database, JOptionPane.OK_CANCEL_OPTION); if(option==0){ executeSQLCommand("DROP

Ngày tải lên: 26/01/2014, 18:20

... 10-5, and 10-6 are additions to the DatabaseUtilities class. Further examples of the use of DatabaseMetaData are given later in this chapter. Note Many of the DatabaseMetaData methods have been ... SQLException may be thrown by some DatabaseMetaData methods. Displaying DatabaseMetaData in a JTree The class required to display the table and column data retrieved from the DatabaseMetaData object is ... of the database, the DatabaseMetaData object provides methods to access to a great deal of general information about the RDBMS itself. Some of the information you can retrieve about the database-management

Ngày tải lên: 26/01/2014, 18:20

... CHAPTER 2  BEST PRACTICES FOR DATABASE PROGRAMMING 44 As stated previously, the aim of defensive programming is to minimize the risk of errors occurring as a ... code itself. CHAPTER 2  BEST PRACTICES FOR DATABASE PROGRAMMING 29 Identify Hidden Assumptions in Your Code One of the core tenets of defensive programming is to identify all of the assumptions ... programming suggests that you should test under extreme conditions (stress testing)—if you can make a robust, performant application that can cope CHAPTER 2  BEST PRACTICES FOR DATABASE PROGRAMMING...

Ngày tải lên: 05/10/2013, 08:48

... kinds of data providers are popularly used in database programming in Visual C# 2008. You must create the correct connection object based on your real database by using the specifi c prefi x. However, ... the location, and the name of the database, username, and password used to access the database. In this case, no username and password are utilized for our database; thus, those two items are ... F. This step is used to confi rm that our database connection is successful. If not, an error message is displayed and the project is exited. After a database connection is successfully made,...

Ngày tải lên: 17/10/2013, 19:15