Dotnet Training in Chennai

   Posted by Ganesan - +919042710472 1. What is ADO.NET? ADO.NET stands for Microsoft ActiveX Data Object. Ado.net is a database technology which we can think like a set of classes that can be used to interact with the data sources like databases and XML files. Asp.net application, windows application, console application are the few types of .net applications that use ADO.NET to connect with the databases to execute commands and retrieve data. 2. What are the key features of ADO.NET? · Disconnected data architecture · Data cached in data set · Scalability · Data transfer in HTML Format · Strongly typed language. 3. Why is it important to close an ADO.NET application? Connections need to be closed properly because it affects the scalability and reliability of the applications. Open connections are always vulnerable to attack, so to be short , ‘ open connections as late as possible and close it as early as possible’. We can close the connection by final block or using the USING...

Posted by Ganesan - +919042710472  1. What is SQL?   SQL-Structured Query Language   It is a microsoft database which can be used for manipulation of datas.  2. What are the subsets of SQL?   DDL – Data Definition Language –It allows you to perform various operations on the database such as CREATE, ALTER and DELETE objects.   DML – Data Manipulation Language – It allows you to access and manipulate data. It helps you to INSERT, UPDATE, DELETE and RETRIVE data from the database.    DCL – Data Control Language – It allows you to control access to the database .example Grant, Revoke access permissions.   TCL – Transaction Control Language – Used to manage transactions in the database. Example COMMIT, ROLLBACK and SAVEPOINT. 3. How to create a table and add data   Syntax : CREATE TABLE table_name(                  Column1 datatype,                 ...

Posted by Ganesan - +919042710472 Engineers after completing their degree in Computers, they have to learn technologies to get into Job market. Upskilling and learning technologies is a continuous process and it will not end up.  In my point of view Engineering does not makes to land you in your first dream job. It just acts as a mere degree or a qualification expected in Software industry. Every engineer will be in a dream to pursue their first job in top MNC 's like CTS, Infosys, HCL, Wipro or any other bigger MNC. Only 10 -20 % of the engineers will get their jobs in On Campus that too in Urban areas. It’s a bitter fact that students from Rural areas are not even able to crack the MNC interviews in first shot. You will realise that grabbing a job in top mnc's as a fresher is not possible without any technical skill. The first thing that comes on to the mind after completing the studies is to pursue a job. Everyone will be in a curiosity to start earning money after completin...

Posted by Ganesan - +919042710472 Object oriented programming uses a different set of programming languages than old procedural programming languages. Everything in OOP is grouped as self sustainable "objects".  Main concepts of OOPs are  Class, Object, Abstraction, encapsulation, inheritance and polymorphism. CLASS: Class is a collection of objects. Class is composed of three things, a name, attributes, and operations. To create a class, you simply use the keyword "Class" followed by the Class name,            Class ClassName             {               } OBJECT:   An object can be considered a "thing" that can perform a set of related activities. The set of activities that the object performs defines the object's behaviour. For example the hand (object) can grip something. Can give their name or address. an Object is an instance of a class.           ...

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