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Which class does the remote object has to inherit
Which class does the remote object has to inherit ? All remote objects should inherit from System.MarshalbyRefObject. 2007-10-23, 5540👍, 0💬

How To Import One Table Back from a Dump File
How To Import One Table Back from a Dump File? - Oracle DBA FAQ - Loading and Exporting Data If you only want to import one table back to the database, you can use a dump file that was created by full export, schema export or a table export. The following tutorial exercise shows you how to import th... 2007-05-02, 5540👍, 0💬

How To Call a Stored Function
How To Call a Stored Function? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions A stored function can be called as part of expression in any PL/SQL statement. One simplest way to call a stored function is to a dummy SELECT statement as shown in the following tutorial script using... 2007-04-26, 5539👍, 0💬

How To Create a Single Index for Multiple Columns
How To Create a Single Index for Multiple Columns? - Oracle DBA FAQ - Managing Oracle Table Indexes If you know a group of multiple columns will be always used together as search criteria, you should create a single index for that group of columns with the "ON table_name(col1, col2, ...)" clause. He... 2007-04-27, 5538👍, 0💬

What is difference between Dataset. clone and Dataset.copy
What is difference between Dataset. clone and Dataset. copy ? Clone: - It only copies structure, does not copy data. Copy: - Copies both structure and data. 2007-10-24, 5537👍, 0💬

What Is a Subquery
What Is a Subquery? - MySQL FAQs - SQL SELECT Statements with JOIN and Subqueries A subquery is a SELECT statement used as part of the selection criteria of the main SELECT statement. The subquery specified in the WHERE clause will be evaluated repeated on each row of the selection base table. The o... 2007-05-11, 5537👍, 0💬

How Many Types of Cursors Supported in PL/SQL
How Many Types of Cursors Supported in PL/SQL? - Oracle DBA FAQ - Working with Cursors in PL/SQL PL/SQL supports two types of cursors: The implicit cursor - A single default cursor that automatically connects to the last DML statement executed. Explicit cursors - User defined cursors with specific D... 2007-04-29, 5537👍, 0💬

What Happens If a Hyper Link Points to a PDF File
What Happens If a Hyper Link Points to a PDF File? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs If you want to build a hyper link to allow visitors to access a PDF file by clicking a hyper link, you can put the URL of the PDF file directly in the "href" attribute of the hyper link. If ... 2007-05-12, 5535👍, 0💬

What is three tier architecture
What is three tier architecture? The three tier software architecture emerged in the 1990s to overcome the limitations of the two tier architecture. There are three layers when we talk about three tier architecture:- User Interface (Client) :- This is mostly the windows user interface or the Web int... 2007-10-24, 5533👍, 0💬

What Is View
What Is View? - MySQL FAQs - Database Basics and Terminologies A view is a logical table defined by a query statement. 2007-05-10, 5533👍, 0💬

What is Unicode and why was it introduced
What is Unicode and why was it introduced? In order to understand the concept of Unicode we need to move little back and understand ANSI code. ASCII (ask key) stands for American Standard Code for Information Interchange. In ASCII format every character is represented by one byte (i.e. 8 bits). So i... 2007-11-01, 5532👍, 0💬

What Is a UL Tag/Element
What Is a UL Tag/Element? - XHTML 1.0 Tutorials - Understanding Lists and List Items A "ul" element is block level element that can be used to define an un-ordered list, where items are displayed with leading bullets. Here are basic rules about "ul" elements: "ul" elements are block level elements. ... 2007-05-11, 5531👍, 0💬

What Are the Restrictions on External Table Columns
What Are the Restrictions on External Table Columns? - Oracle DBA FAQ - Loading and Exporting Data When creating external table columns, you need to watch out some restrictions: "PRIMARY KEY" is not allowed. "NOT NULL" is not allowed. "DEFAULT value" is not allowed. 2007-04-30, 5531👍, 0💬

How To Select Some Columns from a Table
How To Select Some Columns from a Table? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want explicitly tell the query to some columns, you can specify the column names in SELECT clause. The following select statement returns only two columns from the table "departments": SQL> S... 2007-04-21, 5531👍, 0💬

What Is SQL*Plus
What Is SQL*Plus? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool SQL*Plus is an interactive and batch query tool that is installed with every Oracle Database Server or Client installation. It has a command-line user interface, a Windows Graphical User Interface (GUI) and the iS... 2007-04-28, 5529👍, 0💬

What Happens If the UPDATE Subquery Returns No Rows
What Happens If the UPDATE Subquery Returns No Rows? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If you use a subquery to assign new values in the SET clause in an UPDATE statement, and the subquery returns no rows for an outer row, MySQL will provide a NULL value to the SE... 2007-05-11, 5528👍, 0💬

What is ManualResetEvent and AutoResetEvent ?
.NET INTERVIEW QUESTIONS - What is ManualResetEvent and AutoResetEvent ? Threads that call one of the wait methods of a synchronization event must wait until another thread signals the event by calling the Set method. There are two synchronization event classes. Threads set the status of ManualReset... 2009-12-29, 5527👍, 0💬

What is black box testing and White box testing
What is black box testing and White box testing? Black box testing is also termed as functional testing. It ignores how the internal functionality of a system works and depends only what are the outputs on specified inputs. Source code availability is not an important in back box testing. Black box ... 2007-10-30, 5527👍, 0💬

How To Set Different Text Fonts Inside Tables
How To Set Different Text Fonts Inside Tables? - CSS Tutorials - Introduction To CSS Basics If want to set the text font inside tables different than outside tables, you can use CSS definitions with contextual selectors. In the CSS example below, Both selectors "TABLE P" and "P" match those &lt;... 2007-05-11, 5526👍, 0💬

What Are the Attributes of an IMG Element
What Are the Attributes of an IMG Element? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps There are 4 commonly used attributes for an "img" element: "src" - Required attribute. Used to specify the URL of the image file. "alt" - Required attribute. Used to specify the name of the ... 2007-05-12, 5525👍, 0💬

How To Experiment Dead Locks
How To Experiment Dead Locks? - MySQL FAQs - Transaction Management: Commit or Rollback If you want to have some experience with dead locks, you can create two windows running two mysql transactions in two sessions at the REPEATABLE READ transaction isolation level. Then run some UPDATE statements a... 2007-05-09, 5525👍, 0💬

Referring to the sample code above, which one of the following statements is correct?
class A { public: A() { if(x > 1) throw "x overflow"; else x++; } private: static int x; }; int A::x; Referring to the sample code above, which one of the following statements is correct? 1 The class can be instantiated without throwing an exception two times. 2 It cannot be determined how many time... 2012-05-07, 5524👍, 0💬

How To Invoke the Data Pump Import Utitlity
How To Invoke the Data Pump Import Utitlity? - Oracle DBA FAQ - Loading and Exporting Data The Data Pump Import utility is distributed as executable file called "impdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "impdp" command. H... 2007-05-01, 5524👍, 0💬

How To Break a File Path Name into Parts
How To Break a File Path Name into Parts? - PHP Script Tips - Working with Directoris and Files If you have a file name, and want to get different parts of the file name, you can use the pathinfo() function. It breaks the file name into 3 parts: directory name, file base name and file extension; and... 2007-04-23, 5522👍, 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