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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, 5492👍, 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, 5491👍, 0💬

What are different bindings supported by WCF
What are different bindings supported by WCF? WCF includes predefined bindings. They cover most of bindings widely needed in day to day application. But just incase you find that you need to define something custom WCF does not stop you. So let’s try to understand what each binding provides. BasicHt... 2007-11-04, 5490👍, 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, 5490👍, 0💬

Relation between HTML and XHTML
What Is the Relation between HTML and XHTML? XHTML (Extensible Hyper-Text Markup Language) is the next generation of HTML. XHTML reproduces, subsets, and extends HTML with XML. So if you want to catch up with the new generation, you should start to compose your Web pages in with XHTML. For more info... 2007-03-03, 5490👍, 0💬

What Is Consistency
What Is Consistency? Consistency : Assures users that the data they are changing or viewing is not changed until the are through with it. 2007-04-15, 5489👍, 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, 5487👍, 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, 5486👍, 0💬

What Happens If a META Element Is Not Closed
What Happens If a META Element Is Not Closed? - XHTML 1.0 Tutorials - Document Structure and Head Level Tags Meta tags, link tags and base tags must be closed in XHTML documents. If you forget to close them like the HTML format, you will get validation errors. Try the following tutorial sample XHTML... 2007-05-12, 5485👍, 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, 5485👍, 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, 5484👍, 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, 5484👍, 0💬

Can SELECT Statements Be Used on Views
Can SELECT Statements Be Used on Views? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements Select (query) statements can used on views in the same way as tables. The following tutorial exercise helps you creating a view and running a query statement on the view: SQL> CREATE VIEW managed_de... 2007-04-20, 5484👍, 0💬

What Is Row
What Is Row? - MySQL FAQs - Database Basics and Terminologies A row is a unit of data with related data items stored as one item in one column in a table. 2007-05-10, 5483👍, 0💬

How To Turn on Binary Logs
How To Turn on Binary Logs? - MySQL FAQs - Server Daemon mysqld Administration If you want MySQL to write binary logs to a file, you can use the "--log-bin=fileBaseName" option at the "mysqld" command line. The tutorial exercise below shows you a good example on how to use this option: >cd \mysql\bi... 2007-05-11, 5482👍, 0💬

What Happens to Multiple White Spaces in In-line Elements
What Happens to Multiple White Spaces in In-line Elements? - CSS Tutorials - Understanding Multiple Element Formatting Rules If there is a sequence of multiple white spaces and it is broken into pieces in different in-line elements, it will collapsed into the first white space on the left hand side,... 2007-05-11, 5481👍, 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, 5481👍, 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, 5481👍, 0💬

Can you list best practices for globalization and localization
Can you list best practices for globalization and localization? Below are the best practices while developing international language support software: Do not hardcode strings or user interface resources. Make sure your application depends on Unicode. When ever you read or write data from various enc... 2007-11-02, 5478👍, 0💬

What are resource files and how do we generate resource files
What are resource files and how do we generate resource files? Resource files are files which contain program resources. Many programmers think resource files for only storing strings. But you can also store bitmaps, icons, fonts, wav files in to resource files. In order to generate resource file yo... 2007-11-01, 5477👍, 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, 5477👍, 0💬

How To Bring a Tablespace Online
How To Bring a Tablespace Online? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you have brought a tablespace offline, now you want to make it available to users again, you can use the ALTER TABLESPACE ... ONLINE statement as shown in the following script: SQL> connect HR/fyicente... 2007-05-03, 5477👍, 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, 5475👍, 0💬

Basic Concepts
Basic Concepts - XHTML 1.0 - Interview Questions What is XHTML? How is XHTML related to HTML? How is XHTML related to XML? What are the main advantages of XHTML over HTML? Is an XHTML document an XML document? Is an XML document an XHTML document? Is XHTML going to replace HTML? Is XML going to repl... 2007-05-12, 5474👍, 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