database programming with ado net

... to be used with SQL Server, which namespace has to be imported ? Trang 6Database connectivity with ADO has 3 main objects: A All of the above B ADODB.Recordset C ADODB.Command D ADODB.Connection ... dt.Rows) Trang 4 A Run time error, multi result set is not supported by ADO.NET B Nothing wong, multi result set is supported by ADO.NET Permistic concurency means A control works on the assumption ... dt.Rows) A Run time error, multi result set is not supported by ADO.NET B Nothing wong, multi result set is supported by ADO.NET Which object that bellowed statements describe about? Its is

Ngày tải lên: 31/03/2017, 15:12

... 1 and 2, which are a 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, ... record into the database once, which means that after this new course has been inserted into the database, you cannot continue to click on the Invoke button to perform another insertion with the same ... 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

... SQL Server database via ASP.NET Web Services In the next section, we will discuss how to access and manipulate data in the Oracle database via ASP.NET Web Services 9.8 BUILD ASP NET WEB SERVICE ... ORACLE DATABASE Basically, the procedure to build an ASP.NET Web Service to access the Oracle database is very similar to the procedure to build an ASP.NET Web Service to access the SQL Server database ... these two kinds of databases Second, as we know, ADO.NET provides different Data Providers to support users to access the different databases, and these Data Providers are database dependent,

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 ... to update and delete data in the database Therefore no returned data is needed for these two data actions We only need to create stored procedures in Oracle database, not packages, to perform

Ngày tải lên: 14/12/2013, 15:15

... included in the ADO.NET are extended by a suffi x NET, such as OLE DB.NET, ODBC.NET, SQL Server.NET, and Oracle.NET Since most Data Providers discussed in this book belong to ADO.NET, generally ... components To get a clearer picture of the ADO.NET, let ’ s fi rst take a look at the architecture of the ADO.NET 3.3 ARCHITECTURE OF ADO NET 2.0 The ADO.NET 2.0 architecture can be divided into ... updated version of ADO.NET, and it is based mainly on the Microsoft NET Framework 3.5 The underlying technology applied in ADO.NET 3.5 is very different from the COM - based ADO The ADO.NET Common Language

Ngày tải lên: 26/01/2014, 08:20

... Framework (ADO.NET 3.5 EF) and ADO. NET 3.5 Entity Data Model Tools are added into ADO.NET 3.5. With these new com- ponents, the contradiction exists between the relational model of data used in databases ... the ADO.NET 3.5 EDM Designer. Two important functionalities of using the EDM Designer are: Opening the ADO . NET Entity Data Model Designer The ADO.NET 3.5 EDM Designer is designed to work with ... released with ADO.NET 3.5 and NET Framework 3.5 in Visual Studio.NET 2008 With the help of this new technique, the operational process of the data queries and manipulations with different

Ngày tải lên: 26/01/2014, 08:20

... using that version of ADO.NET will continue to function in a LINQ to DataSet application without modifi cations. a. ADO.NET 2.0 b. ADO.NET 3.0 c. ADO.NET 3.5 d. ADO.NET 4.0 7. Two popular ... under the control of the ___________ and the __________. a. .NET Frameworks 3.5, ADO.NET 3.5 b. ADO.NET 3.5 Entity Framework, ADO.NET 3.5 Entity Framework Tools c. IEnumerable < T > , ... Database Programming With Visual C#.NET,... Selection Query with Visual C#.NET Visual C# project to navigate, scan, retrieve, and manipulate data stored in the data source with

Ngày tải lên: 26/01/2014, 08:20

... LINQ to SQL belongs to LINQ to ADO.NET, and it is a subcomponent of LINQ to ADO.NET LINQ to SQL is absolutely imple-mented to the SQL Server database Different databases need to use different ... DataSet is built on the existing ADO.NET 2.0 architecture, the codes developed by using ADO.NET 2.0 will continue to function in a LINQ to DataSet application without modifi cations This is a very ... LINQ to ADO.NET The DataSet, of which we provided a very detailed discussion in Chapter 3 , is one of the most widely used components in ADO.NET, and it is a key element of the disconnected programming

Ngày tải lên: 26/01/2014, 08:20

... Enterprise Development 10 The Database 12 Database Programming with Java 14 Chapter 2 Relational Databases and SQL 16 What Is a Relational Database? 16 Databases and Database Engines 17 An Introduction ... that access relational databases without any thought as to which particular database you Trang 6are using If you have ever had experience programming to more than one database API, you will definitely ... have made sure that the examples use javadoc commenting If you are not familiar with javadoc, it is a utility that ships with the Sun JDK By using the javadoc format, you can automatically generate

Ngày tải lên: 25/03/2014, 10:41

... academic knowledge and apply it to real-world database programming Database programming in Java, however, is vastly different from the kind of database programming required in the more common, non-OO ... for distributed systems programming and thus works in a new way with relational databases This section introduces an architecture on which you can base object-oriented database applications and ... element of JDBC to cover—distributed transactions All database access you have dealt with so far involves transactions against a single database In this environment, your DBMS manages the details

Ngày tải lên: 12/08/2014, 16:21

... the server Database connectivity becomes an issue hidden within each server object Suddenly, the presentation layer stops caring about where the database is, or if you are even using a database ... is the relational database Here you have arrived at your goal Instead of saving to a file with each change in an object, your objects update the database Although saving to a database is a lot ... directly to the database, then changing eligibility rules essentially means rewriting the application! In addition, your direct database access ties your application to the same data model without regard

Ngày tải lên: 12/08/2014, 16:21

... 1across the network unchanged from its original form As long as you are not concerned with what prying eyes might see, this state of affairs will work just fine for you Encrypting your network communications ... issues can be found in Java Network Programming by Elliotte Rusty Harold (O'Reilly & Associates) Your first task is to decide what sort of socket will handle your network communications In ... Internet Movie Database (IMDB) A film can have many directors and actors Each director and actor can, in turn, be related to many films If your application restored a film from its data store with

Ngày tải lên: 12/08/2014, 16:21

... the enable you to work with a database in optimistic concurrency mode Pessimistic concurrency means that the database will lock data on read and not release that lock without a commit In other ... Under this model, when you query the database, you get the user ID of the last user to make a change and the time the change was made When you update the database with that data, you use that user ... stored in your database, it is what your users see that ultimately matters As you explored in previous chapters, a two-tier application creates copies of database data on the client The database can

Ngày tải lên: 12/08/2014, 16:21

... user ID the rowset should use for making its database connections isReadOnly( ) and setReadOnly( ) public boolean isReadOnly( ); public void setReadOnly(boolean ro) ... act as factories for providing PooledConnection instances As with the DataSource interface, this class is designed to be registered with a JNDI directory service for applications to look up by ... method is called by a pooled connection whenever a fatal error occurs during communications with a database For example, if the server goes down, the connection needs to notify the pool to discard

Ngày tải lên: 12/08/2014, 16:21

... the LINQ to ADO. NET since ADO. NET covers any kinds of database including the Microsoft Access 2007. In order to set up this relationship, a DataSet must be built by fi lling it with the desired ... 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, two components in the ADO. NET ... the ADO. NET in Chapter 3 . To connect and implement a database with your Visual C# project, you need to follow the operational sequences listed next: 1. Create a new Connection String with...

Ngày tải lên: 17/10/2013, 19:15

... Explorer in the Visual Studio .NET environment. Open the Visual Studio .NET 2008 and open the Server Explorer window by clicking on View|Server Explorer menu item. To open our database CSE_DEPT, right ... method is identical with the coding we did in the last section with no modifi cation. For your convenience, we show this coding in Figure 5.110 again. This coding is straightforward without any tricks. ... 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...

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 ... Studio .NET environment. The Oracle Database 10g Express Edition or Oracle Database 10g XE did provide an Oracle Development Tools (ODT) for .NET to allow users to create and manipulate database ... XE R2) as our database provider. Oracle Database 10g Express Edition (Oracle Database XE R2) is an entry - level, small - footprint starter database with the fol- lowing advantages: Figure...

Ngày tải lên: 20/10/2013, 11:15

... and databases. This method utilizes many powerful tools and wizards provided by Visual Studio .NET 2008 and ADO. NET to simplify the coding process, and most of codes are autogenerated by the .NET ... chapter. PART I DATA INSERTING WITH VISUAL STUDIO .NET DESIGN TOOLS AND WIZARDS In this part, we discuss inserting data into the database using the Visual Studio .NET design tools and wizards. ... funda- mentals of databases, which were introduced in Chapter 2 , ADO. NET, which was dis- cussed in Chapter 3 , and introduction to LINQ, which was presented in Chapter 4 . Also a sample database CSE_DEPT...

Ngày tải lên: 24/10/2013, 09:15

... watermark. 512 Chapter 6 Data Inserting with Visual C# .NET 6.7.3 Modify Database Connection String The Database Connection string is used to connect to the desired database based on the correct syntax ... 6 Data Inserting with Visual C# .NET 6.7 INSERT DATA INTO MICROSOFT ACCESS DATABASE USING RUNTIME OBJECTS There is no big difference for data insertion between the different databases, and just ... 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...

Ngày tải lên: 24/10/2013, 09:15

... remove this watermark. Chapter 7 Data Updating and Deleting with Visual C #. NET Practical Database Programming With Visual C# .NET, by Ying Bai Copyright © 2010 the Institute of Electrical ... world of objects and the world of data. In Visual Studio .NET you can write LINQ queries in C# with SQL Server databases, XML documents, ADO. NET DataSets, and any collection of objects that supports ... procedure in the Oracle database using the PL - SQL language (assume a valid database connection has been set). 3. Using the tools and wizards provided by Visual Studio .NET and ADO. NET to perform the...

Ngày tải lên: 28/10/2013, 16:15