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How many ORACLE HOME are Oracle Applications and whats significance of each ?
How many ORACLE HOME are Oracle Applications and whats significance of each ? There are three $ORACLE_HOME in Oracle Applications, Two for Applications Tier (Middle Tier) and One in Database Tier. # ORACLE_HOME 1 : On Applications Tier used to store 8.0.6 techstack software. This is used by forms, r... 2011-12-09, 3112👍, 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, 3107👍, 0💬

What is the difference between Mutex and Binary semaphore?
What is the difference between Mutex and Binary semaphore? semaphore is used to synchronize processes. where as mutex is used to provide synchronization between threads running in the same process. 2012-03-26, 3104👍, 0💬

How do you find the number of rows in a Table ?
How do you find the number of rows in a Table ? select count(*) from table, or from NUM_ROWS column of user_tables if the table statistics has been collected. 2011-11-22, 3104👍, 0💬

What is an incomplete type? C++
What is an incomplete type? C++ Incomplete types refers to pointers in which there is non availability of the implementation of the referenced location or it points to some location whose value is not available for modification. int *i=0x400 // i points to address 400 *i=0; //set the value of memory... 2012-01-06, 3101👍, 0💬

Assignment Operator - What is the diffrence between a "assignment operator" and a "copy constructor"?
Assignment Operator - What is the diffrence between a "assignment operator" and a "copy constructor"? Answer1. In assignment operator, you are assigning a value to an existing object. But in copy constructor, you are creating a new object and then assigning a value to that object. For example: compl... 2012-03-30, 3100👍, 0💬

Explain term POLIMORPHISM and give an example using eg. SHAPE object: If I have a base class SHAPE, how would I define DRAW meth
Explain term POLIMORPHISM and give an example using eg. SHAPE object: If I have a base class SHAPE, how would I define DRAW methods for two objects CIRCLE and SQUARE Answer1 POLYMORPHISM : A phenomenon which enables an object to react differently to the same function call. in C++ it is attained by u... 2012-02-08, 3100👍, 0💬

How do you pass cursor variables in PL/SQL?
How do you pass cursor variables in PL/SQL? Pass a cursor variable as an argument to a procedure or function. You can, in essence, share the results of a cursor by passing the reference to that result set. 2011-10-31, 3097👍, 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, 3096👍, 0💬

What are cursor attributes?
What are cursor attributes? Cursor attributes are used to get the information about the current status of your cursor. Both explicit and implicit cursors have four attributes, as shown: Name Description %FOUND Returns TRUE if record was fetched successfully, FALSE otherwise. %NOTFOUND Returns TRUE i... 2011-11-18, 3094👍, 0💬

What is a conversion constructor C++?
What is a conversion constructor C++? A constructor that accepts one argument of a different type. 2012-03-16, 3092👍, 0💬

How you will avoid your query from using indexes?
How you will avoid your query from using indexes? By changing the order of the columns that are used in the index, in the Where condition, or by concatenating the columns with some constant values. 2011-12-02, 3089👍, 0💬

What is Multi Node System ?
What is Multi Node System ? Multi Node System in Oracle Applications 11i means you have Applications 11i Component on more than one system. Typical example is Database, Concurrent Manager on one machine and forms, Web Server on second machine is example of Two Node System. 2011-10-19, 3088👍, 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, 3086👍, 0💬

What is a default constructor? C++
What is a default constructor? C++ Default constructor WITH arguments class B { public: B (int m = 0) : n (m) {} int n; }; int main(int argc, char *argv[]) { B b; return 0; } 2012-03-15, 3086👍, 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, 3085👍, 0💬

What is difference between procedure and function
What is difference between procedure and function A function always returns a value, while a procedure does not. When you call a function you must always assign its value to a variable. 2011-10-25, 3084👍, 0💬

Can main method be declared final?
Can main method be declared final? Yes, the main method can be declared final, in addition to being public static. 2013-07-02, 3081👍, 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, 3081👍, 0💬

Which recursive sorting technique always makes recursive calls to sort subarrays that are about half size of the original array?
Which recursive sorting technique always makes recursive calls to sort subarrays that are about half size of the original array? Mergesort always makes recursive calls to sort subarrays that are about half size of the original array, resulting in O(n log n) time. 2012-02-21, 3080👍, 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, 3079👍, 0💬

If this is a complete translation unit, what can be said about the variable "MaxEntries"?
const int MaxEntries = 10; extern int entries[MaxEntries]; If this is a complete translation unit, what can be said about the variable "MaxEntries"? 1) It can only be used within the translation unit shown in the sample. 2) It cannot be used as a case value in a switch statement. 3) It becomes acces... 2012-04-24, 3076👍, 0💬

What is TWO_TASK in Oracle Database ?
What is TWO_TASK in Oracle Database ? TWO_TASK mocks your tns alias which you are going to use to connect to database. Lets assume you have database client with tns alias defined as PROD to connect to Database PROD on machine teachmeoracle.com listening on port 1521. Then usual way to connect is sql... 2011-11-30, 3075👍, 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, 3074👍, 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