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What Is the HTML Element Formatting Model
What Is the HTML Element Formatting Model? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements An HTML document is divided into HTML elements. Each element is considered as a formatting unit using a box-oriented formatting model, which has: Content Box - A rectangular area f...
2007-05-11, 5132👍, 0💬

How To Connect a SQL*Plus Session to an Oracle Server
How To Connect a SQL*Plus Session to an Oracle Server? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool In order to connect a SQL*Plus session to an Oracle server, you need to: 1. Obtain the connection information from the Oracle server DBA. 2. Define a new "connect identifier" c...
2007-04-28, 5132👍, 0💬

That Is a Correlated Subquery
That Is a Correlated Subquery? Correlated Subquery is a subquery that is evaluated once for each row processed by the parent statement. Parent statement can be Select, Update or Delete. Use Correlated Subquery to answer multipart questions whose answer depends on the value in each row processed by p...
2007-04-15, 5132👍, 0💬

How To Export Several Tables Together
How To Export Several Tables Together? - Oracle DBA FAQ - Loading and Exporting Data If you don't want to export the entire schema and only want to export several tables only, you can use the "expdp" command with the "TABLES" parameter as shown in the following tutorial exercise: >cd \oraclexe\app\o...
2007-05-01, 5131👍, 0💬

How To Select an Exiting Database
How To Select an Exiting Database? - PHP Script Tips - Working with MySQL Database The first thing after you have created a connection object to the MySQL server is to select the database where your tables are locate, by using the mysql_select_db() function. If your MySQL server is offered by your W...
2007-04-18, 5131👍, 0💬

How To Include CSS Inside a HTML Tag
How To Include CSS Inside a HTML Tag? - CSS Tutorials - Introduction To CSS Basics If you want to include CSS inside a HTML tag, you can use the STYLE attribute as &lt;TAG STYLE="css_definition" ...>. Of course, the CSS definition will only apply to this instance of this tag. The following tutor...
2007-05-11, 5130👍, 0💬

How To Convert Characters to Times
How To Convert Characters to Times? - Oracle DBA FAQ - Understanding SQL Basics You can convert dates to characters using the TO_CHAR() function as shown in the following examples: SELECT TO_CHAR(TO_DATE('04:49:49', 'HH:MI:SS'), 'DD-MON-YYYY HH24:MI:SS') FROM DUAL; -- Default date is the first day o...
2007-04-23, 5130👍, 0💬

Are Atom Feed Files XML Documents
Are Atom Feed Files XML Documents? - RSS FAQs - Atom Feed File Structure and Elements Yes. Atom feed files are XML (eXtensible Markup Language) documents. Atom feed files must be well-formed XML documents, respecting the following XML rules. The first line must be the "xml" processing instruction wi...
2007-05-12, 5129👍, 0💬

How To Get the Number of Rows Selected or Affected by a SQL Statement
How To Get the Number of Rows Selected or Affected by a SQL Statement? - PHP Script Tips - Working with MySQL Database There are two functions you can use the get the number of rows selected or affected by a SQL statement: mysql_num_rows($rs) - Returns the number of rows selected in a result set obj...
2007-04-19, 5129👍, 0💬

What Is a http-equiv META Tag/Element
What Is a http-equiv META Tag/Element? - XHTML 1.0 Tutorials - Document Structure and Head Level Tags a http-equiv meta element is a special meta element that provides information equivalent to HTTP headers. A http-equiv meta element must include the "http-equiv" attribute as, http-equiv="Content-Ty...
2007-05-12, 5128👍, 0💬

How To Open and Close an Explicit Cursor
How To Open and Close an Explicit Cursor? - Oracle DBA FAQ - Working with Cursors in PL/SQL An existing cursor can be opened or closed by the OPEN or CLOSE statement as shown in the following sample script: DECLARE CURSOR c_list IS SELECT * FROM countries; CURSOR t_list IS SELECT * FROM employees WH...
2007-04-29, 5127👍, 0💬

How To Rollback the Current Transaction
How To Rollback the Current Transaction? - Oracle DBA FAQ - Understanding SQL Transaction Management If you have used some DML statements updated some data objects, you find a problem with those updates, and you don't want those updates to be permanently recorded in the database, you can use the ROL...
2007-04-18, 5127👍, 0💬

Where Table Data Is Stored by the MyISAM Storage Engine
Where Table Data Is Stored by the MyISAM Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB By default, MySQL provides \mysql\data directory for all storage engines to store table data. Under \mysql\data directory, each database will have its own subdirectory to store table data....
2007-05-10, 5125👍, 0💬

What Is a Initialization Parameter File
What Is a Initialization Parameter File? - Oracle DBA FAQ - Oracle Basic Concepts An initialization parameter file is a text file that contains a list of initialization parameters. The file should be written in the client's default character set. Sample initialization parameter files are provided on...
2007-04-21, 5125👍, 0💬

What Is a Session
What Is a Session? - PHP Script Tips - Understanding and Using Sessions A session is a logical object created by the PHP engine to allow you to preserve data across subsequent HTTP requests. There is only one session object available to your PHP scripts at any time. Data saved to the session by a sc...
2007-04-19, 5123👍, 0💬

What is concept of Boxing and Unboxing
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 vice versa of boxing operati...
2007-10-22, 5122👍, 0💬

How Many SQL DDL Commands Are Supported by "mysql"
How Many SQL DDL Commands Are Supported by "mysql"? - MySQL FAQs - Command-Line End User Interface mysql There are 4 SQL Data Definition Language (DDL) commands that are supported by "mysql". They are listed below with short descriptions: "CREATE dataObjectType dataObjectName" - Creates new database...
2007-05-08, 5122👍, 0💬

How can you cache different version of same page using ASP.NET
How can you cache different version of same page using ASP.NET cache object ? Output cache functionality is achieved by using “OutputCache” attribute on ASP.NET page header. Below is the syntax &lt;%@ OutputCache Duration="20" Location="Server" VaryByParam="state" VaryByCustom="minorversion" Var...
2007-10-23, 5121👍, 0💬

Hyper Links and Images
Hyper Links and Images - XHTML 1.0 - Interview Questions What is a hyper link? What is a URL? How to included an image in the middle of a sentence? How to place an image to the right side of a paragraph? What is an image map?
2007-05-12, 5120👍, 0💬

How To Return a Reference from a Function
How To Return a Reference from a Function? - PHP Script Tips - Creating Your Own Functions To return a reference from a function, you need to: Add the reference operator "&" when defining the function. Add the reference operator "&" when invoking the function. Here is a PHP script on how to ...
2007-04-14, 5120👍, 0💬

Which parts of an XML document are case-sensitive
Which parts of an XML document are case-sensitive? All of it, both markup and text. This is significantly different from HTML and most other SGML applications. It was done to allow markup in non-Latin-alphabet languages, and to obviate problems with case-folding in writing systems which are caseless...
2007-04-11, 5120👍, 0💬

How To Delete an Existing Column in a Table
How To Delete an Existing Column in a Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you have an existing column in a table and you do not need that column any more, you can delete it with "ALTER TABLE ... DROP COLUMN" statement. Here is a tutorial script to delete an e...
2007-05-11, 5119👍, 0💬

What Is the Command Line End User Interface - mysql
What Is the Command Line End User Interface - mysql? - MySQL FAQs - Command-Line End User Interface mysql "mysql", official name is "MySQL monitor", is a command-line interface for end users to manage user data objects. "mysql" has the following main features: "mysql" is command line interface. It i...
2007-05-10, 5117👍, 0💬

How To Remove an Empty Directory
How To Remove an Empty Directory? - PHP Script Tips - Working with Directoris and Files If you have an empty existing directory and you want to remove it, you can use the rmdir(). Here is a PHP script example on how to use rmdir(): &lt;?php if (file_exists("/temp/download") ){ rmdir("/temp/downl...
2007-04-23, 5117👍, 0💬

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