DOT NET Interview Questions - DotNetSpider
DOT NET Interview Questions - DotNetSpider
DOT NET Interview Questions - DotNetSpider
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I want to force the datareader to return only schema of the datastore rather than data ? ................. 184<br />
How can we fine tune the command object when we are expecting a single row or a single value ?<br />
184<br />
Which is the best place to store connectionstring in .<strong>NET</strong> projects ? .............................................. 184<br />
What are steps involved to fill a dataset ? ........................................................................................ 185<br />
Twist :- How can we use dataadapter to fill a dataset ? .................................................................. 185<br />
What are the various methods provided by the dataset object to generate XML? ........................... 186<br />
How can we save all data from dataset ?.......................................................................................... 186<br />
How can we check that some changes have been made to dataset since it was loaded ? ................ 187<br />
Twist :- How can we cancel all changes done in dataset ? , How do we get values which are changed<br />
in a dataset ? .............................................................................................................................. 187<br />
How can we add/remove row’s in “DataTable” object of “DataSet” ? ............................................ 187<br />
What’s basic use of “DataView” ?.................................................................................................... 188<br />
What’s difference between “DataSet” and “DataReader” ? ............................................................. 189<br />
Twist :- Why is DataSet slower than DataReader ? ......................................................................... 189<br />
How can we load multiple tables in a DataSet ? .............................................................................. 189<br />
How can we add relation’s between table in a DataSet ? ................................................................. 190<br />
What’s the use of CommandBuilder ? .............................................................................................. 190<br />
What’s difference between “Optimistic” and “Pessimistic” locking ? ............................................. 190<br />
How many way’s are there to implement locking in ADO.<strong>NET</strong> ? ................................................... 191<br />
How can we perform transactions in .<strong>NET</strong>? .................................................................................... 191<br />
What’s difference between Dataset. clone and Dataset. copy ? ....................................................... 192<br />
Can you explain the difference between an ADO.<strong>NET</strong> Dataset and an ADO Recordset? ............... 192<br />
10. SQL SERVER ..................................................................... 193<br />
What is normalization? What are different type of normalization? ................................................. 193<br />
What is denormalization ? ................................................................................................................ 195<br />
What is a candidate key ? ................................................................................................................. 195<br />
What are different types of joins and whats the difference between them ? .................................... 196<br />
What are indexes and What is the difference between clustered and nonclustered indexes? .......... 197<br />
How can you increase SQL performance ? ...................................................................................... 197<br />
What is the use of OLAP ? ............................................................................................................... 198<br />
What's a measure in OLAP ? ............................................................................................................ 198<br />
What are dimensions in OLAP ? ...................................................................................................... 198<br />
What are levels in dimensions ? ....................................................................................................... 198<br />
What are fact tables and dimension tables in OLAP ? ..................................................................... 199<br />
Twist :- can you explain the star schema for OLAP ? ...................................................................... 199<br />
What is DTS?.................................................................................................................................... 199<br />
What is fillfactor ? ............................................................................................................................ 199<br />
Twist :- When does plage split occurs ? ........................................................................................... 199<br />
What is RAID and how does it work ? ............................................................................................. 199<br />
What's the difference between DELETE TABLE and TRUNCATE TABLE commands? .............. 200<br />
What are the problems that can occur if you do not implement locking properly in SQL SERVER ?<br />
201<br />
What are different transaction levels in SQL SERVER ? ................................................................. 202