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What is public, protected, private? C++
What is public, protected, private? C++ Public, protected and private are three access specifiers in C++. Public data members and member functions are accessible outside the class. Protected data members and member functions are only available to derived classes. Private data members and member func... 2012-01-30, 3351👍, 0💬

What is iAS Patch ?
What is iAS Patch ? iAS Patch are patches released to fix bugs associated with IAS_ORACLE_HOME (Web Server Component) Usually these are shiiped as Shell scripts and you apply iAS patches by executing Shell script. Note that by default ORACLE_HOME is pointing to 8.0.6 ORACLE_HOME and if you are apply... 2011-11-03, 3350👍, 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, 3345👍, 0💬

What is RTTI? C++
What is RTTI? C++ Runtime type identification (RTTI) lets you find the dynamic type of an object when you have only a pointer or a reference to the base type. RTTI is the official way in standard C++ to discover the type of an object and to convert the type of a pointer or reference (that is, dynami... 2012-02-07, 3345👍, 0💬

Is exit a keyword in Java?
Is exit a keyword in Java? No. To exit a program explicitly you use exit method in System object. 2013-06-27, 3342👍, 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, 3342👍, 0💬

Referring to the sample code above, what is the displayed , output if the input string given were: "5 10 Sample Word 15 20"?
int I, j; string s; cin &gt;&gt; I &gt;&gt; j &gt;&gt; s &gt;&gt; s &gt;&gt; I; cout &lt;&lt; I &lt;&lt; " " &lt;&lt; j &lt;&lt; " "&lt;&lt; s &lt;&lt; " "&lt;&lt; I; Referring to the sample code above, w... 2012-04-23, 3341👍, 0💬

What is the difference between declaration and definition?
What is the difference between declaration and definition? The declaration tells the compiler that at some later point we plan to present the definition of this declaration. E.g.: void stars () //function declaration The definition contains the actual implementation. E.g.: void stars () // declarato... 2012-01-25, 3338👍, 0💬

Write a function that swaps the values of two integers, using int* as the argument type.
Write a function that swaps the values of two integers, using int* as the argument type. void swap(int* a, int*b) { int t; t = *a; *a = *b; *b = t; } 2012-01-31, 3336👍, 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, 3333👍, 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, 3333👍, 0💬

What are main configuration files in Web Server (Apache) ?
What are main configuration files in Web Server (Apache) ? Main configuration files in Oracle application Web Server are # httpd.conf, apps.conf, oracle_apache.conf, httpd_pls.conf # jserv.conf, ssp_init.txt, jserv.properties, zone.properties # plsql.conf, wdbsvr.app, plsql.conf 2011-11-14, 3332👍, 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, 3327👍, 0💬

Where is Concurrent Manager log file location
Where is Concurrent Manager log file location By default standard location is $APPLCSF/$APPLLOG , in some cases it can go to $FND_TOP/log as well. 2011-10-18, 3323👍, 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, 3316👍, 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, 3316👍, 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, 3315👍, 0💬

If we run autoconfig which files will get effected ?
If we run autoconfig which files will get effected ? In order to check list of files changes during Autoconfig , you can run adchkcfg utility which will generate HTML report. This report will list all files and profile options going to change when you run AutoConfig. 2011-11-04, 3314👍, 0💬

SQL
How do you update 100 rows with single query with variable data populating each row ? 2014-09-19, 3310👍, 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, 3308👍, 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, 3306👍, 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, 3305👍, 0💬

Which is more faster - IN or EXISTS?
Which is more faster - IN or EXISTS? Well, the two are processed very differently. Select * from T1 where x in ( select y from T2 ) is typically processed as: select * from t1, ( select distinct y from t2 ) t2 where t1.x = t2.y; The sub query is evaluated, distinct’ed, indexed (or hashed or sorted) ... 2011-12-05, 3305👍, 0💬

What is a pseudo column. Give some examples?
What is a pseudo column. Give some examples? Information such as row numbers and row descriptions are automatically stored by Oracle and is directly accessible, ie. not through tables. This information is contained within pseudo columns. These pseudo columns can be retrieved in queries. These pseudo... 2011-11-23, 3302👍, 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