Placement Papers & Technical Interview Questions

 

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Microsoft Database and database technology interview questions

  • 3 main differences between flexgrid control and dbgrid control
  • ActiveX and Types of ActiveX Components in VB
  • Advantage of ActiveX Dll over Active Exe
  • Advantages of disconnected recordsets

  • Benefit of wrapping database calls into MTS transactions
  • Benefits of using MTS
  • Can database schema be changed with DAO, RDO or ADO?
  • Can you create a tabletype of recordset in Jet - connected ODBC database engine?
  • Constructors and destructors
  • Controls which do not have events
  • Default property of datacontrol
  • Define the scope of Public, Private, Friend procedures?
  • Describe Database Connection pooling relative to MTS
  • Describe: In of Process vs. Out of Process component. Which is faster?
  • Difference between a function and a subroutine, Dynaset and
  • Snapshot,early and late binding, image and picture controls,Linked Object and Embedded Object,listbox and combo box,Listindex and Tab index,modal and moduless window, Object and Class,Query unload and unload in form.
  • Declaration and Instantiation an object?
  • Draw and explain Sequence Modal of DAO
  • How can objects on different threads communicate with one another?
  • How can you force new objects to be created on new threads?
  • How does a DCOM component know where to instantiate itself?
  • How to register a component?
  • How to set a shortcut key for label?
  • Kind of components can be used as DCOM servers
  • Name of the control used to call a windows application
  • Name the four different cursor and locking types in ADO and describe them briefly.
  • Need of zorder method, no of controls in form, Property used to add a menus at runtime, Property used to count number of items in a combobox,resize a label control according to your caption.
  • Return value of callback function, The need of tabindex property.
  • Thread pool and management of threads within a thread pool.
  • To set the command button for ESC, Which property needs to be changed?
  • Type Library and what is it’s purpose?
  • Types of system controls, container objects, combo box
  • Under the ADO Command Object, what collection is responsible for input to stored procedures?
  • VB and Object Oriented Programming
  • What are the ADO objects? Explain them.

 
 

 

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