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Record Set:
The record set presents the records in a base table or the records retrieved due to the query. The record set falls into 3 classes. These are table type record sets, dyna set & the snap shot type record sets.
(i)Table Type Record Sets:
The Table type record sets present a base table in the Microsoft Jet data base.
(ii) Dyna Set Type Record Sets:
The Dyna set type record sets are the resulting of a query.
(iii)Snap shot Type Record Sets:
The Snap shot type record sets presents a static copy of the records.
(iv) Data Source:
The Data source is a specific illustration made up of the 4 components.
The database associated projects are made up of the MFC database classes. The ODBC driver manager uses the driver interacts with the database as shown in figure.
Figure: Working of a Database Application
Cdatabase Class: The CDataBase class helps to connect to the data source. The Open member function opens a connection to the data source. CRecordset class is used for performi
Difference between Class Module and Standard Module? Standard module: -This place for variable declarations,procedures etc.& it can accessed these procedures in whereve
Option Explicit Declaration: If the option explicit is used essentially then all the variables will have to be declared. Or else an error will be reported saying that the vari
Deleting Handlers With Class Wizard: The handler can be deleted by using the class wizard. The class wizard will delete the prototype and message map entry. The user should ma
Describe different validation controls of VB.net?
Use of WM_SIZE Message: Whenever the WM_SIZE message is handled and the graphical objects on the output window will also change consequently to the output window. The functi
Variable Length Strings: The Strings can be declared using As or $ as shown in the code below; the msg and msg1 are the two strings and they are assigned the values using '='.
VBScript Operators VBScript contain a full range of operators, including comparison operators, arithmetic operators, concatenation operators, and logical operators.
Just like normal objects Dictionary object also has definite properties. These properties can be set to any valid value & can be retrieved as and while required. Pr
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