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What Are the Length Units Used in CSS
What Are the Length Units Used in CSS? - CSS Tutorials - Page Layout and Background Image Design To control your page width and page layout, you must understand the length units used in CSS. Here is a list of main length units: cm - One centimeter, absolute unit. em - The height of the current text ... 2007-05-11, 5379👍, 0💬

How To Test Persistent Cookies
How To Test Persistent Cookies? - PHP Script Tips - Understanding and Managing Cookies If you want to test persistent cookies, you can copy the following PHP script, setting_persistent_cookies.php ,to your Web server: &lt;?php setcookie("LoginName","FYICent er");setcookie("PreferredColor","Bl ue"... 2007-04-25, 5379👍, 0💬

How To Create an Oracle Database Manually
How To Create an Oracle Database Manually? - Oracle DBA FAQ - Creating New Database Instance Manually Based on Oracle's Administrator Guide, there are 11 steps to create a database with the CREATE DATABASE statement: Step 1: Decide on Your Instance Identifier (SID) Step 2: Establish the Database Adm... 2007-04-22, 5379👍, 0💬

What is COM
What is COM ? Microsoft’s COM is a technology for component software development. It is a binary standard which is language independent. DCOM is a distributed extension of COM. 2007-10-22, 5378👍, 0💬

How To Get a List of All User Accounts in the Database
How To Get a List of All User Accounts in the Database? - Oracle DBA FAQ - Introduction to Oracle SQL Developer If you don't like to use a SELECT statement to get a list of all user accounts in the current database, you can use the Reports view to do this as shown in the following tutorial example. ... 2007-04-27, 5378👍, 0💬

Do I have to know HTML or SGML before I learn XML
Do I have to know HTML or SGML before I learn XML? No. Although it's useful because a lot of XML terminology and practice derives from two decades' experience of SGML. Be aware that "knowing HTML" is not the same as "understanding SGML". Although HTML was written as an SGML application, browsers ign... 2007-04-11, 5378👍, 0💬

What Is Locking
What Is Locking? Locking are mechanisms intended to prevent destructive interaction between users accessing data. Locks are used to achieve. 2007-04-15, 5377👍, 0💬

How To Support Multiple Submit Buttons
How To Support Multiple Submit Buttons? - PHP Script Tips - Processing Web Forms Sometimes, you may need to give visitors multiple submit buttons on a single form to allow them to submit the form for different purposes. For example, when you show your customer a purchase order in a Web form, you may... 2007-04-22, 5375👍, 0💬

How To Generate a Character from an ASCII Value
How To Generate a Character from an ASCII Value? - PHP Script Tips - PHP Built-in Functions for Strings If you want to generate characters from ASCII values, you can use the chr() function. chr() takes the ASCII value in decimal format and returns the character represented by the ASCII value. chr() ... 2007-04-21, 5375👍, 0💬

How To Insert a New Row into a Table
How To Insert a New Row into a Table? - MySQL FAQs - Understanding SQL INSERT, UPDATE and DELETE Statements To insert a new row into a table, you should use the INSERT INTO statement with values specified for all columns as shown in the following example: mysql> INSERT INTO fyi_links VALUES (101, 'd... 2007-05-11, 5374👍, 0💬

What Is Oracle SQL Developer
What Is Oracle SQL Developer? - Oracle DBA FAQ - Introduction to Oracle SQL Developer Oracle SQL Developer is a new, free graphical tool that enhances productivity and simplifies database development tasks. With SQL Developer, you can browse database objects, run SQL statements and SQL scripts, and ... 2007-04-26, 5374👍, 0💬

What is the use of dataadapter
What is the use of dataadapter ? These are objects that connect one or more Command objects to a Dataset object. They provide logic that would get data from the data store and populates the tables in the DataSet, or pushes the changes in the DataSet back into the data store. ? An OleDbDataAdapter ob... 2007-10-24, 5373👍, 0💬

What Is TIMESTAMP
What Is TIMESTAMP? - MySQL FAQs - Introduction to SQL Date and Time Handling A TIMESTAMP data type allows you to record a date and time like DATETIME data type. But it has some interesting features when used on a table column: The first TIMESTAMP column in a table will be assigned with the current d... 2007-05-11, 5373👍, 0💬

What Happens to the Data Files If a Tablespace Is Dropped
What Happens to the Data Files If a Tablespace Is Dropped? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If a tablespace is dropped, what happens to its data files? By default, data files will remain in OS file system, even if the tablespace they are mapped is dropped. Of course, you... 2007-05-03, 5373👍, 0💬

How To Specify Argument Default Values
How To Specify Argument Default Values? - PHP Script Tips - Creating Your Own Functions If you want to allow the caller to skip an argument when calling a function, you can define the argument with a default value when defining the function. Adding a default value to an argument can be done like thi... 2007-04-25, 5373👍, 0💬

How To Generate a Feed Entry link Element
How To Generate a Feed Entry link Element? - RSS FAQs - Atom Feed File Structure and Elements The &lt;link&gt; element is not a required sub-element of the &lt;entry&gt; element. But it is strongly recommended that you provide a link element with rel="alternate" for each of your feed... 2007-05-12, 5372👍, 0💬

How To Extract a Unit Value from a Date and Time
How To Extract a Unit Value from a Date and Time? - MySQL FAQs - Introduction to SQL Date and Time Handling If you want to extract a specific date or time unit value out of a date or a time, you can use the EXTRACT(unit FROM expression) function. The tutorial exercise below gives you some good examp... 2007-05-11, 5372👍, 0💬

What Is the Quickest Way to Export a Table to a Flat File
What Is the Quickest Way to Export a Table to a Flat File? - Oracle DBA FAQ - Loading and Exporting Data The quickest way to export a table to a flat file is probably to use the SQL*Plus SPOOL command. It allows you to record SELECT query result to a text file on the operating system. The following ... 2007-04-30, 5372👍, 0💬

How do you assign object properties?
How do you assign object properties? obj["age"] = 17 or obj.age = 17. 2008-10-28, 5371👍, 0💬

How To Add Another Datafile to a Tablespace
How To Add Another Datafile to a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you created a tablespace with a data file a month ago, now 80% of the data file is used, you should add another data file to the tablespace. This can be done by using the ALTER TABLESPACE ..... 2007-05-03, 5371👍, 0💬

Can You Drop an Index Associated with a Unique or Primary Key Constraint
Can You Drop an Index Associated with a Unique or Primary Key Constraint? - Oracle DBA FAQ - Managing Oracle Table Indexes You can not delete the index associated with a unique or primary key constraint. If you try, you will get an error like this: ORA-02429: cannot drop index used for enforcement o... 2007-05-02, 5371👍, 0💬

How To Get Help at the SQL Prompt
How To Get Help at the SQL Prompt? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool Once SQL*Plus is started, you will get a SQL prompt like this: SQL&gt;. This where you can enter commands for SQL*Plus to run. To get help information at the SQL prompt, you can use the HELP c... 2007-04-28, 5370👍, 0💬

How To Control Line Breaks in a Paragraph
How To Control Line Breaks in a Paragraph? - XHTML 1.0 Tutorials - Body Tag and Block Level Tags By default line breaks within a paragraph are controlled by the browser. Lines will be wrapped at the right edge of the display area of the paragraph. If you want to force a line break in middle of a lin... 2007-05-12, 5369👍, 0💬

How To Use CASE Expression
How To Use CASE Expression? - MySQL FAQs - Introduction to SQL Basics There are 2 ways to use the CASE expression. The first way is to return one of the predefined values based on the comparison of a given value to a list of target values. The second way is to return one of the predefined values bas... 2007-05-11, 5369👍, 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