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When to Use SELECT INTO Statements
When to Use SELECT INTO Statements? The SELECT INTO Statement is most often used to create backup copies of tables or for archiving records. SELECT column_name(s) INTO newtable [IN externaldatabase] FROM source SELECT column_name(s) INTO newtable [IN externaldatabase] FROM source WHERE column_name o... 2007-04-15, 5121👍, 0💬

What Are Data Types Limitations
What Are Data Types Limitations? Max. columns in a table is 255. Max. Char size is 255, Long is 64K and Number is 38 digits. Cannot Query on a long column. Char, Varchar2 Max. size is 2000 and default is 1 byte. Number(p,s) p is precision range 1 to 38, s is scale -84 to 127. Long Character data of ... 2007-04-15, 5121👍, 0💬

Using XSL in Generating HTML Pages from Relational Databases
Describe the role that XSL can play when dynamically generating HTML pages from a relational database Even if candidates have never participated in a project involving this type of architecture, they should recognize it as one of the common uses of XML. Querying a database and then formatting the re... 2007-04-11, 5120👍, 0💬

Processing HTML Form Date
Can a JSP page process HTML FORM data? Yes. However, unlike servlets, you are not required to implement HTTP-protocol specific methods like doGet() or doPost() within your JSP page. You can obtain the data for the FORM input elements via the request implicit object within a scriptlet or expression a... 2007-04-03, 5119👍, 0💬

What Are DDL Statements
What are the most important DDL statements in SQL? CREATE TABLE - creates a new database table ALTER TABLE - alters (changes) a database table DROP TABLE - deletes a database table CREATE INDEX - creates an index (search key) DROP INDEX - deletes an index 2007-04-15, 5118👍, 0💬

What does the EnableViewStateMac setting in an aspx page do?
What does the EnableViewStateMac setting in an aspx page do? Setting EnableViewStateMac=true is a security measure that allows ASP.NET to ensure that the viewstate for a page has not been tampered with. If on Postback, the ASP.NET framework detects that there has been a change in the value of viewst... 2008-09-23, 5115👍, 0💬

What is a monitor object?
.NET INTERVIEW QUESTIONS - What is a monitor object? Monitor objects are used to ensure that a block of code runs without being interrupted by code running on other threads. In other words, code in other threads cannot run until code in the synchronized code block has finished. SyncLock and End Sync... 2009-12-22, 5111👍, 0💬

What Privilege Is Needed for a User to Query Tables in Another Schema
What Privilege Is Needed for a User to Query Tables in Another Schema? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges For a user to run queries (SELECT statements) on tables of someone else's schema, he/she needs the SELECT ANY TABLE privilege. The following tutorial exercis... 2007-05-01, 5111👍, 0💬

What is a Database Schema
What is a Database Schema? - Oracle DBA FAQ - Oracle Basic Concepts A schema is a collection of logical structures of data, or schema objects. A schema is owned by a database user and has the same name as that user. Each user owns a single schema. Schema objects can be created and manipulated with S... 2007-04-21, 5111👍, 0💬

What is ReaderWriter Locks ?
.NET INTERVIEW QUESTIONS - What is ReaderWriter Locks ? You may want to lock a resource only when data is being written and permit multiple clients to simultaneously read data when data is not being updated. The ReaderWriterLock class enforces exclusive access to a resource while a thread is modifyi... 2009-12-29, 5109👍, 0💬

Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use?
Taking a developer’s perspective, do you think that that JavaScript is easy to learn and use? I think JavaScript is easy to learn. One of the reasons JavaScript has the word "script" in it is that as a programming language, the vocabulary of the core language is compact compared to full-fledged prog... 2008-09-09, 5105👍, 0💬

In What Order Different Parts of SQL Statements Are Executed
In What Order Different Parts of SQL Statements Are Executed? Where clause, Group By clause, Having clause, Order By clause and Select. 2007-04-15, 5101👍, 0💬

What is DCOM Can anybod explain in detail
What is DCOM Can anybod explain in detail Short for Distributed Component Object Model, an extension of the Component Object Model (COM) that allows COM components to communicate across network boundaries. Traditional COM components can only perform interprocess communication across process boundari... 2009-03-06, 5092👍, 0💬

What is the difference between Session State and ViewState?
What is the difference between Session State and ViewState? ViewState is specific to a page in a session. Session state refers to user specific data that can be accessed across all pages in the web application. 2008-09-16, 5092👍, 0💬

Where Should I Use XML
Where Should I Use XML? Its goal is to enable generic SGML to be served, received, and processed on the Web in the way that is now possible with HTML. XML has been designed for ease of implementation and for interoperability with both SGML and HTML. Despite early attempts, browsers never allowed oth... 2007-04-11, 5091👍, 0💬

What Are Internal User Account
What Are Internal User Account? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges An internal user account is a system predefined user account. Oracle 10g XE comes with a number of internal accounts: SYSTEM - This is the user account that you log in with to perform all administ... 2007-05-02, 5088👍, 0💬

What is concept of Boxing and Unboxing ?
.NET INTERVIEW QUESTIONS - What is concept of Boxing and Unboxing ? Boxing permits any value type to be implicitly converted to type object or to any interface type implemented by value type. Boxing is a process in which object instances are created and copy values in to that instance. Unboxing is v... 2010-04-20, 5085👍, 0💬

What are the ways in which client can create object on server in CAO model ?
.NET INTERVIEW QUESTIONS - What are the ways in which client can create object on server in CAO model ? There are two ways by which you can create Client objects on remoting server :- * Activator.CreateInstance(). * By Keyword “New”. 2009-08-18, 5081👍, 0💬

How To Use Windows User to Connect to the Server
How To Use Windows User to Connect to the Server? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges During the installation process, 10g XE will create a special Windows user group called ORA_DBA, and put your Windows user into this group. Any Windows users in this group can be... 2007-05-02, 5080👍, 0💬

Can we have multiple threads in one App domain ?
.NET INTERVIEW QUESTIONS - Can we have multiple threads in one App domain ? One or more threads run in an AppDomain. An AppDomain is a runtime representation of a logical process within a physical process. Each AppDomain is started with a single thread, but can create additional threads from any of ... 2009-11-10, 5074👍, 0💬

How can I make my existing HTML files work in XML
How can I make my existing HTML files work in XML? Either convert them to conform to some new document type (with or without a DTD or Schema) and write a stylesheet to go with them; or edit them to conform to XHTML. It is necessary to convert existing HTML files because XML does not permit end-tag m... 2007-04-11, 5072👍, 0💬

Is there an XML version of HTML
Is there an XML version of HTML? Yes. The W3C recommends using XHTML which is a reformulation of HTML 4 in XML 1.0. This specification defines HTML as an XML application, and provides three DTDs corresponding to the ones defined by HTML 4.* (Strict, Transitional, and Frameset). The semantics of the ... 2007-04-11, 5070👍, 0💬

.NET INTERVIEW QUESTIONS - What is Thread.Join() in threading ?
What is Thread.Join() in threading ? There are two versions of Thread.Join :- * Thread.join(). * Thread.join(Integer) this returns a Boolean value. The Thread.Join method is useful for determining if a thread has completed before starting another task. The Join method waits a specified amount of tim... 2009-12-09, 5066👍, 0💬

Why Should I Use XML
Why should I use XML? Here are a few reasons for using XML (in no particular order). Not all of these will apply to your own requirements, and you may have additional reasons not mentioned here. XML can be used to describe and identify information accurately and unambiguously, in a way that computer... 2007-04-11, 5066👍, 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