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What is Absolute expiration and Sliding expiration?
.NET INTERVIEW QUESTIONS - What is Absolute expiration and Sliding expiration? Absolute Expiration allows one to specify the duration of the cache, starting from the time the cache is activated. The following example shows that the cache has a cache dependency specified, as well as an expiration tim...
2009-07-28, 5588👍, 0💬

What Are Numeric Data Types
What Are Numeric Data Types? - MySQL FAQs - Introduction to SQL Basics MySQL supports the following numeric data types: BIT(n) - An integer with n bits. BOOL same as BOOLEAN - Boolean values stored in 1 bit. TINYINT - A small integer stored in 1 byte. SMALLINT - A small integer stored in 2 bytes. ME...
2007-05-11, 5588👍, 0💬

What Happens If You Use a Wrong Connect Identifier
What Happens If You Use a Wrong Connect Identifier? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool Of course, you will get an error, if you use a wrong connect identifier. Here is an example of how SQL*Plus react to a wrong connect identifier: SQL> CONNECT fyi/retneciyf@WRONG; ...
2007-04-28, 5588👍, 0💬

What Is Class.forName
What Class.forName will do while loading drivers? It is used to create an instance of a driver and register it with the DriverManager. When you have loaded a driver, it is available for making a connection with a DBMS.
2007-04-03, 5588👍, 0💬

Which is the best place to store connectionstring in .NET projects
Which is the best place to store connectionstring in .NET projects ? Config files are the best places to store connectionstrings. If it is a web-based application “Web.config” file will be used and if it is a windows application “App.config” files will be used.
2007-10-24, 5587👍, 0💬

How To Delete a Column in an Existing Table
How To Delete a Column in an Existing Table? - Oracle DBA FAQ - Managing Oracle Database Tables If you have an existing column in a table and you need that column any more, you can delete it with ALTER TABLE ... DROP COLUMN statement. Here is an example SQL script: SQL> CREATE TABLE emp_dept_90 2 AS...
2007-05-03, 5586👍, 0💬

How do you do object pooling in .NET
How do you do object pooling in .NET ? COM+ reduces overhead by creating object from scratch. So in COM+ when object is activated its activated from pool and when its deactivated it’s pushed back to the pool. Object pooling is configures by using the “ObjectPoolingAttribute” to the class. Note:- Wh...
2007-10-22, 5585👍, 0💬

How To Generate a Feed id Element
How To Generate a Feed id Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;id&gt; element is a required sub-element of the &lt;feed&gt; element. The Atom specification requires that you provide a universally unique identifier for each of your feeds. So how to make ...
2007-05-12, 5585👍, 0💬

How To Run the Anonymous Block Again
How To Run the Anonymous Block Again? - Oracle DBA FAQ - Introduction to PL/SQL If you have an anonymous block defined in your session, you can run it any time by using the "/" command as shown in the following script: SQL> set serveroutput on; SQL> begin 2 dbms_output.put_line('This is a PL/SQL FAQ...
2007-04-25, 5585👍, 0💬

How to Accessing HTML Elements using javascript?
How to Accessing HTML Elements using javascript? To do something interesting with HTML elements, we must first be able to uniquely identify which element we want. In the example below: &lt;body> &lt;form action=""> &lt;input type="button" id="useless" name="mybutton" value="doNothing" />...
2008-09-23, 5584👍, 0💬

What is one way operation
What is one way operation? IsOneWay equal to true ensures that the client does not have to wait for the response. So methods marked by IsOneWay to true should always return void. In this the caller does not get anything in return so it is called as one-way communication. In order to understand one w...
2007-11-04, 5584👍, 0💬

What are the element in State Chart diagrams
What are the element in State Chart diagrams ? State: Itfs a condition when following events occur: bject satisfies a condition. Or performs a action. Or waits for a event to happen. Composite State : It has one or more sub states. Initial State: It represents a state before any event occurs. Final...
2007-10-26, 5579👍, 0💬

What Are the Attributes of a TEXTAREA Element
What Are the Attributes of a TEXTAREA Element? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields There are several commonly used attributes for a "textarea" element: rows="n" - Required attribute. Used to specify the number of rows of the text input area. cols="n" - Required attribute. Us...
2007-05-12, 5578👍, 0💬

What Are Sub-elements of the entry Element
What Are Sub-elements of the entry Element? - RSS FAQs - Atom Feed File Structure and Elements The "entry" element has the following sub-elements defined: &lt;author&gt; - Specifying the personal information about an author of the contents provided in this feed entry. A feed element may have...
2007-05-12, 5578👍, 0💬

What is the use of OLAP
What is the use of OLAP ? OLAP is useful because it provides fast and interactive access to aggregated data and the ability to drill down to detail.
2007-10-25, 5577👍, 0💬

What Is a Data Lock
What Is a Data Lock? - MySQL FAQs - Transaction Management: Commit or Rollback MySQL uses two types of data locks at two levels to provide you the transaction isolation level you need: Share Lock at Row Level (S) - A data row is locked by a transaction for reading. Exclusive Lock at Row Level (X) - ...
2007-05-09, 5577👍, 0💬

What Is a Server-Side Image Map
What Is a Server-Side Image Map? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps A server-side image map is an image inside a hyper link. The image must be defined with the "ismap" attribute in the "img" element. When a server-side image map is clicked in a browser window, the mou...
2007-05-12, 5576👍, 0💬

What the different phase/steps of acquiring a proxy object in
What the different phase/steps of acquiring a proxy object in Webservice ? Following are the different steps needed to get a proxy object of a webservice at the client side :- ã Client communicates to UDI node for WebService either through browser or UDDI's public web service. ã UDII responds wit...
2007-10-23, 5575👍, 0💬

How To Revoke CREATE SESSION Privilege from a User
How To Revoke CREATE SESSION Privilege from a User? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges If you take away the CREATE SESSION privilege from a user, you can use the REVOKE command as shown in the following example script: >.\bin\sqlplus /nolog SQL> connect SYSTEM/fy...
2007-05-01, 5575👍, 0💬

What are satellite assemblies
What are satellite assemblies?
2007-11-01, 5574👍, 0💬

What Happens If the UPDATE Subquery Returns Multiple Rows
What Happens If the UPDATE Subquery Returns Multiple Rows? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements If a subquery is used in a UPDATE statement, it must return exactly one row for each row in the update table that matches the WHERE clause. If it returns multiple rows, My...
2007-05-11, 5574👍, 0💬

How can we change priority and what the levels of priority are
How can we change priority and what the levels of priority are provided by .NET ? Thread Priority can be changed by using Threadname.Priority = ThreadPriority.Highest. In the sample provided look out for code where the second thread is ran with a high priority. Following are different levels of Prio...
2007-10-22, 5573👍, 0💬

How To Generate a Feed author Element
How To Generate a Feed author Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;author&gt; element is not a required sub-element of the &lt;feed&gt; element. However, it is required to have a feed author element, if one of the feed entries does not have an author el...
2007-05-12, 5573👍, 0💬

I want to use the Win32 API function .....
When we use windows API in Dot Net? I want to use the Win32 API function : SendMessageToDescendants I want to use it in a VB.Net app, but I have a few questions..... 1) Can one use Win32 API functions in VB.Net 2) Is doing so a "no no" 3) are VB.Net windows, underneath the covers, Win32 windows? and...
2009-03-06, 5572👍, 0💬

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