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SQL
How do you update 100 rows with single query with variable data populating each row ? 2014-09-19, 3209👍, 0💬

Name 7 layers of the OSI Reference Model?
Name 7 layers of the OSI Reference Model? -Application layer -Presentation layer -Session layer -Transport layer -Network layer -Data Link layer -Physical layer 2012-04-13, 3209👍, 0💬

What methods can be overridden in Java?
What methods can be overridden in Java? In C++ terminology, all public methods in Java are virtual. Therefore, all Java methods can be overwritten in subclasses except those that are declared final, static, and private. 2012-03-27, 3209👍, 0💬

What is the purpose of a cluster?
What is the purpose of a cluster? A cluster provides an optional method of storing table data. A cluster is comprised of a group of tables that share the same data blocks, which are grouped together because they share common columns and are often used together. For example, the EMP and DEPT table sh... 2011-11-22, 3205👍, 0💬

Differentiate between a template class and class template.C++
Differentiate between a template class and class template.C++ Template class: A generic definition or a parameterized class not instantiated until the client provides the needed information. It’s jargon for plain templates. Class template: A class template specifies how individual classes can be con... 2012-01-03, 3200👍, 0💬

Where is HTML Cache stored in Oracle Applications Server ?
Where is HTML Cache stored in Oracle Applications Server ? Oracle HTML Cache is available at $COMMON_TOP/_pages for some previous versions you might find it in $OA_HTML/_pages 2011-12-09, 3198👍, 0💬

How can you quickly find the number of elements stored in a a) static array b) dynamic array ? Why is it difficult to stor
How can you quickly find the number of elements stored in a a) static array b) dynamic array ? Why is it difficult to store linked list in an array? How can you find the nodes with repetetive data in a linked list? Write a prog to accept a given string in any order and flash error if any of the char... 2012-02-27, 3197👍, 0💬

You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. new() and malloc()
You have two pairs: new() and delete() and another pair : alloc() and free(). Explain differences between eg. new() and malloc() Answer1 1.) “new and delete” are preprocessors while “malloc() and free()” are functions. [we dont use brackets will calling new or delete]. 2.) no need of allocate the m... 2012-02-06, 3196👍, 0💬

How do you open and close a cursor variable. Why it is required?
How do you open and close a cursor variable. Why it is required? Using OPEN cursor_name and CLOSE cursor_name commands. The cursor must be opened before using it in order to fetch the result set of the query it is associated with. The cursor needs to be closed so as to release resources earlier than... 2011-10-31, 3194👍, 0💬

What is a cursor?
What is a cursor? A cursor is a mechanism by which you can assign a name to a “select statement” and manipulate the information within that SQL statement. 2011-11-21, 3192👍, 0💬

How you will start Discoverer in Oracle Applications 11i ?
How you will start Discoverer in Oracle Applications 11i ? In order to start dicoverer you can use script addisctl.sh under $OAD_TOP/admin/scripts/$CONTEX T_NAMEor startall.sh under $ORACLE_HOME/discwb4/util (under Middle/Application Tier) 2011-12-08, 3191👍, 0💬

How do I initialize a pointer to a function?
How do I initialize a pointer to a function? This is the way to initialize a pointer to a function void fun(int a) { } void main() { void (*fp)(int); fp=fun; fp(1); } 2012-03-12, 3190👍, 0💬

What is the difference between an external iterator and an internal iterator? Describe an advantage of an external iterator.
What is the difference between an external iterator and an internal iterator? Describe an advantage of an external iterator. An internal iterator is implemented with member functions of the class that has items to step through. .An external iterator is implemented as a separate class that can be "at... 2012-02-23, 3189👍, 0💬

What do you mean by Stack unwinding? C++
What do you mean by Stack unwinding? C++ It is a process during exception handling when the destructor is called for all local objects between the place where the exception was thrown and where it is caught. 2012-01-11, 3188👍, 0💬

Can cursor variables be stored in PL/SQL tables. If answer is yes, explain how? If not why?
Can cursor variables be stored in PL/SQL tables. If answer is yes, explain how? If not why? Yes. Create a cursor type - REF CURSOR and declare a cursor variable of that type. DECLARE /* Create the cursor type. */ TYPE company_curtype IS REF CURSOR RETURN company%ROWTYPE; /* Declare a cursor variable... 2011-10-25, 3185👍, 0💬

Can you be bale to identify between Straight- through and Cross- over cable wiring? and in what case do you use Straight- throug
Can you be bale to identify between Straight- through and Cross- over cable wiring? and in what case do you use Straight- through and Cross-over? Straight-through is type of wiring that is one to connection, Cross- over is type of wiring which those wires are got switched We use Straight-through cab... 2012-03-29, 3183👍, 0💬

State True or False: ASP.NET can currently run only on Windows Platform: * True or * False?
State True or False: ASP.NET can currently run only on Windows Platform: * True or * False? True 2014-03-12, 3182👍, 0💬

What is the difference between preemptive scheduling and time slicing?
What is the difference between preemptive scheduling and time slicing? Under preemptive scheduling, the highest priority task executes until it enters the waiting or dead states or a higher priority task comes into existence. Under time slicing, a task executes for a predefined slice of time and the... 2013-06-20, 3181👍, 0💬

How to compile an Oracle Reports file ?
How to compile an Oracle Reports file ? Utility adrepgen is used to compile Reports. Synatx is given below adrepgen userid=apps\&lt;psswd> source = $PRODUCT_TOP\srw\filename.rdf dest=$PRODUCT_TOP\srw\filename .rdfstype=rdffile dtype=rdffile logfile=x.log overwrite=yes batch=yes dunit=character 2011-11-08, 3179👍, 0💬

What is an explicit constructor? C++
What is an explicit constructor? C++ A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to implement an implied conversion of types. It’s purpose is reserved explicitly for construction. 2012-03-21, 3177👍, 0💬

Can you clone from multi node system to single node system and vice versa ?
Can you clone from multi node system to single node system and vice versa ? Yes , this is now supported via Rapid Clone, Check if your system has all prereq. patches for Rapid Clone and you are on latest rapid clone patch. 2011-10-25, 3170👍, 0💬

Describe PRIVATE, PROTECTED and PUBLIC – the differences and give examples.
Describe PRIVATE, PROTECTED and PUBLIC – the differences and give examples. class Point2D{ int x; int y; public int color; protected bool pinned; public Point2D() : x(0) , y(0) {} //default (no argument) constructor }; Point2D MyPoint; You cannot directly access private data members when they are de... 2012-02-13, 3166👍, 0💬

Can C driver in application patch create Invalid Object in database ?
Can C driver in application patch create Invalid Object in database ? No , C driver only copies files in File System. Database Object might be invalidated during D driver when these objects are created/dropped/modified. 2011-11-15, 3166👍, 0💬

A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, w
A JSP page, include.jsp, has a instance variable "int a", now this page is statically included in another JSP page, index.jsp, which has a instance variable "int a" declared. What happens when the index.jsp page is requested by the client? Compilation error, as two variables with same name can't be ... 2013-08-16, 3162👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML