adonet classes database programming

Best Practices for Database Programming

Ngày tải lên : 05/10/2013, 08:48

... 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...

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Practical Database Programming With Visual C#.NET- P6

Ngày tải lên : 17/10/2013, 19:15

... 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 ... classes, such as FacultyForm, CourseForm, and StudentForm, are executed to close the associated form object. The point is that you do not need to create any new instance for each of those classes...

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Java Database Programming Bible- P8

Ngày tải lên : 18/10/2013, 00:15

... handle HTML forms and to save form data, images, and documents to a database. This chapter concentrates on retrieving data from the database and presenting it as a Web page. Chapter 13 illustrates ... id="DetailPageXMLBean" class="JavaDatabaseBible.ch15.DetailPageXMLBean"/> <jsp:useBean id="DetailPageTransformBean" class="JavaDatabaseBible.ch15.DetailPageTransformBean"/> ... transform libraries, as some perform transforms very much faster than others. Retrieving Data from a Database as an XML Document Of course, before you can transform it, you need to get your ResultSet...

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ASP.NET Database Programming Weekend Crash Course

Ngày tải lên : 18/10/2013, 17:15

... Web Applications in Only 15 Hours ASP.NET DATABASE PROGRAMMING HOUR 15 15 he big day is Monday. The day you get to show off what you know about ASP.NET database programming. The problem is, you’re ... Server Pages. Or maybe you’re new to Microsoft .NET or database programming. In any event, we’ve got a solution for you — ASP.NET Database Programming Weekend Crash Course. Open the book Friday evening ... simple as that. The Curriculum Get Up to Speed on ASP.NET Database Programming — in a Weekend! Get Up to Speed on ASP.NET Database Programming — in a Weekend! CD-ROM INCLUDES: • Assessment...

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Practical Database Programming With Visual C#.NET- P7

Ngày tải lên : 20/10/2013, 11:15

... connecting to the SQL Server or Oracle databases using the different data providers. First, we discuss the data query for the SQL Server database and then the Oracle database. In this section, we ... provides a connection to the database and trans- lates Standard Query Operators to the standard SQL statements to access our database. In order to avoid access and use the same database simultaneously, ... how to migrate from the Microsoft Access database to the SQL Server and Oracle databases. 5.19.1 Migrating from Access to SQL Server and Oracle Databases Basically, the similar runtime...

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Practical Database Programming With Visual C#.NET- P8

Ngày tải lên : 20/10/2013, 11:15

... Oracle database. 5.20.1 Oracle Database 10g Express Edition Release 2 In this section, we use the Oracle Database 10g Express Edition Release 2 (Oracle Database 10g XE R2) as our database ... - time object with the Oracle database. 5.20 QUERY DATA USING RUNTIME OBJECTS TO ORACLE DATABASE For your convenience, in this section we will use our sample database CSE_DEPT developed ... Query Data Using Runtime Objects to Oracle Database 407 database alias for our application is XE, and the top block of this ﬁ le is the deﬁ nition of the database alias (refer to Figure 5.160...

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Practical Database Programming With Visual C#.NET- P9

Ngày tải lên : 24/10/2013, 09:15

... Server Database Using Sample Project SQLInsertWizard 469 Because of the similarity between inserting data into the Microsoft Access database and inserting data into the SQL Server database, ... an SQL Server database was used. An SQL Server 2005 Express SP2 database ﬁ le CSE_DEPT.mdf has been set and connected to that project. Therefore, we don ’ t need to perform any database connection ... that inserted new faculty record from our database since the Access does not allow duplicated records to be inserted into the database. Open our sample database CSE_DEPT.accdb and the Faculty...

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Practical Database Programming With Visual C#.NET- P10

Ngày tải lên : 24/10/2013, 09:15

... 6.7.3 Modify Database Connection String The Database Connection string is used to connect to the desired database based on the correct syntax and format related to the associated database. To ... Server database and the Oracle database, all the codes we developed in the last section can be used to access the Oracle database to perform data insertion. The only difference between both databases ... in the Oracle Database 10g Express Edition (XE). Now let ’ s modify the Connection strings used in this project to make them match the Oracle database queries. 6.8.3 Modify Database Connection...

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Java Database Programming Bible- P11

Ngày tải lên : 24/10/2013, 18:15

... to access the Customer Relationship database on Oracle and use another DAO to access the Sales database on Sybase. If access to a new database schema (or database type) is needed, you need only ... These concrete classes contain all the database- access calls that deal with the persistent state as well as the relationship between business entities. Instances of such concrete classes are instantiated ... data-access object (DAO). If database queries are coded directly in the EJB class, it may be difficult to adapt the entity bean to work with a different type of database or a database that has a different...

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Java Database Programming Bible- P12

Ngày tải lên : 24/10/2013, 18:15

... about the database type and database schema; but there are some best practices you probably want to follow. You should divide the Java classes into two categories: the persistent classes and ... categories: the persistent classes and business classes. The persistent classes are those that contain the data managed in the database, and the business classes are those that contain the business ... SQL standard defines to contain other database objects. In many database management systems, a schema is the same as the database owner. In others, where a database can have multiple schemas,...

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Database Programming with C#

Ngày tải lên : 27/10/2013, 07:15

... would create a stored procedure for the example UserMan database: 1. Open up the Server Explorer window. 2. Expand the UserMan database on your database server. 3. Right-click the Stored Procedures ... Here’s how you create atrigger for the example UserMan database: 1. Open up the Server Explorer window. 2. Expand the UserMan database on your database server. 3. Expand the Tables node. 4. Right-click ... Here’s how you create a view using the UserMan database as an example: 1. Open up the Server Explorer window. 2. Expand the UserMan database on your database server. 3. Right-click the Views node...

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MS SQL - Database Programming

Ngày tải lên : 28/10/2013, 03:15

... against a database  Retrieve data from a database  Insert records in a database  Updata records in a database  Delete records in a database  Create new databases  Create new tables in database  Create ... ‘[!bsp]%’ Or SELECT * FROM Persons WHERE LastName LIKE ‘[^D-R]%’ MS SQL Server MS SQL Server DATABASE PROGRAMMING DATABASE PROGRAMMING 4.T-SQL Queries (Continue) o Another useful operation is the concatenation ... Creating Databases (Continue)  Using CREATE DATABASE command • Almost all the possible arguments to the CREATE DATABASE command have default values so that it's possible to create a database...

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Practical Database Programming With Visual C#.NET- P11

Ngày tải lên : 28/10/2013, 16:15

... 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 ... in the Oracle database to insert a new record into the database. Please create the associated stored procedure in the Oracle database using the PL - SQL language (assume a valid database connection ... Explorer window, click on the plus symbol icon that is next to CSE_DEPT database folder to connect to our database if this database was added into the Server Explorer before. Otherwise you need...

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Practical Database Programming With Visual C#.NET- P12

Ngày tải lên : 28/10/2013, 16:15

... 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 ... sample database in Chapter 2 , we prefer to use the second method to create our stored procedures in this section. 7.8.3.2 Develop Stored Procedure in Oracle Database Open the Oracle Database ... Programs|Oracle Database 10g Express Edition|Go To Database Home Page items. Enter CSE_DEPT and reback into the Username and Password boxes, click on the Login button to login to the Oracle database. ...