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How To Drop an Existing Table
How To Drop an Existing Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you want to delete an existing table and its data rows, you can use the "DROP TABLE" statement as shown in the tutorial script below: mysql> SELECT * FROM tipBackup; +----+-------------+---------- ---... 2007-05-11, 5028👍, 0💬

What Are the Special Characters You Need to Escape in Single-Quoted Stings
What Are the Special Characters You Need to Escape in Single-Quoted Stings? - PHP Script Tips - Understanding String Literals and Operations There are two special characters you need to escape in a single-quote string: the single quote (') and the back slash (\). Here is a PHP script example of sing... 2007-04-20, 5027👍, 0💬

How to select an element by id and swapping an image?
How to select an element by id and swapping an image? ... &lt;script language="JavaScript" type="text/javascript" > function setBeerIcon() { var beerIcon = document.getElementById("beerI con");beerIcon.src = "images/"+getSelectValue("beer ")+".jpg";} &lt;/script> ... &lt;img border="0" s... 2008-11-18, 5026👍, 0💬

How To Rename an Existing Column in a Table
How To Rename 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 want to change the column name, you can use the "ALTER TABLE ... CHANGE" statement. This statement allows you to change the name of a colu... 2007-05-11, 5026👍, 0💬

How To Run CREATE DATABASE Statement Again
How To Run CREATE DATABASE Statement Again? - Oracle DBA FAQ - Creating New Database Instance Manually After cleaning up the results of a previously failed CREATE DATABASE statement, you can run the CREATE DATABASE statement again as shown below: SQL> @$ORACLE_HOME\config\scripts\c reate_database_fyi... 2007-04-23, 5026👍, 0💬

What Are Indexes
What Are Indexes? Indexes are optional structures associated with tables used to speed query execution and/or guarantee uniqueness. Create an index if there are frequent retrieval of fewer than 10-15% of the rows in a large table and columns are referenced frequently in the WHERE clause. Implied tra... 2007-04-15, 5026👍, 0💬

What is NameSpace?
.NET INTERVIEW QUESTIONS - What is NameSpace? Namespace has two basic functionality :- * NameSpace Logically group types, example System.Web.UI logically groups our UI related features. * In Object Oriented world many times its possible that programmers will use the same class name.By qualifying Nam... 2010-03-02, 5025👍, 0💬

What Is "mysqlimport"
What Is "mysqlimport"? - MySQL FAQs - Administrator Tools for Managing MySQL Server "mysqlimport" - A command-line interface for administrators or end users to load data files into tables program tool to load data into tables. Here is a sample commands supported by "mysqlimport": "mysqlimport databa... 2007-05-11, 5025👍, 0💬

How To Connect to the Server with User Account: SYS
How To Connect to the Server with User Account: SYS? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges SYS is a very special user account. It has been associated with the highest privilege call SYSDBA. Normally, you should not connect to the server with SYS. But if you want to ... 2007-05-02, 5025👍, 0💬

How To Write the FORM Tag Correctly for Uploading Files
How To Write the FORM Tag Correctly for Uploading Files? - PHP Script Tips - Uploading Files to Web Servers When users clicks the submit button, files specified in the &lt;INPUT TYPE=FILE...> will be transferred from the browser to the Web server. This transferring (uploading) process is control... 2007-04-19, 5025👍, 0💬

What Is an Oracle Tablespace
What Is an Oracle Tablespace? - Oracle DBA FAQ - Oracle Basic Concepts An Oracle tablespace is a big unit of logical storage in an Oracle database. It is managed and used by the Oracle server to store structures data objects, like tables and indexes. Each tablespace in an Oracle database consists of... 2007-04-16, 5025👍, 0💬

What happened to SQL*Menu?
What happened to SQL*Menu? From Forms V4.5, SQL*Menu is fully integrated into Oracle Forms. Application menus can be added to your application by creating Menu Modules (*.MMB) and generate it to Menu Module Executables (*.MMX). 2011-04-26, 5024👍, 0💬

What Is a MAP Tag/Element
What Is a MAP Tag/Element? - XHTML 1.0 Tutorials - Understanding Inline Images and Image Maps A "map" element is special inline element that you to define map entries to be used by image maps. Here are some basic rules on "map" elements: "map" elements are inline elements. "map" elements can not hav... 2007-05-12, 5022👍, 0💬

What are the situations you will use a Web Service and Remoting in projects
What are the situations you will use a Web Service and Remoting in projects? Well “Web services” uses “remoting” concepts internally. But the major difference between “web service” and “remoting” is that “web service” can be consumed by clients who are not .NET platform. While remoting you need ... 2007-10-24, 5020👍, 0💬

How To Retrieve the Original Query String
How To Retrieve the Original Query String? - PHP Script Tips - Processing Web Forms If you have coded some values in the URL without using the standard form GET format, you need to retrieve those values in the original query string in $_SERVER['QUERY_STRING']. The script below is an enhanced version... 2007-04-22, 5020👍, 0💬

What is Multi-threading
What is Multi-threading ? Multi-threading forms subset of Multi-tasking. Instead of having to switch between programs this feature switches between different parts of the same program. Example you are writing in word and at the same time word is doing a spell check in background. 2007-10-22, 5019👍, 0💬

How To Drop a Tablespace
How To Drop a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you have an existing tablespace and you don't want it anymore. You can delete a tablespace by using the DROP TABLESPACE statement as shown in the example below: SQL> CREATE TABLESPACE my_space 2 DATAFILE '/tem... 2007-05-03, 5017👍, 0💬

How To Grant User Privileges at the Global Level
How To Grant User Privileges at the Global Level? - MySQL FAQs - Managing User Accounts and Access Privileges If you want to grant a user privilege at the global level, you can use the "GRANT privilegeName ON *.* TO userName" command. The argument "*.*" in the command stands for all database and all... 2007-05-10, 5015👍, 0💬

What Is the XHTML Element Content
What Is the XHTML Element Content? - XHTML Tutorials - Introduction To Element Content Syntax The content of an XHTML element is everything you entered between the opening tag and the closing tag of the element. Here are some good examples of XHTML element contents: &lt!-- An empty table cell --... 2007-05-12, 5014👍, 0💬

What Is a User Account
What Is a User Account? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges A user account is identified by a user name and defines the user's attributes, including the following: Password for database authentication Privileges and roles Default tablespace for database objects De... 2007-05-02, 5014👍, 0💬

How To Look at the Current SQL*Plus System Settings
How To Look at the Current SQL*Plus System Settings? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool If you want to see the current values of SQL*Plus system settings, you can use the SHOW command as shown in the following tutorial exercise: SQL> SHOW AUTOCOMMIT autocommit OFF S... 2007-04-29, 5014👍, 0💬

What are dimensions in OLAP
What are dimensions in OLAP ? Dimensions are the categories of data analysis. For example, in a revenue report by month by sales region, the two dimensions needed are time and sales region. Typical dimensions include product, time, and region. 2007-10-25, 5013👍, 0💬

How To Apply Filtering Criteria at Group Level
How To Apply Filtering Criteria at Group Level? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want to return only specific groups from the query, you can apply filtering criteria at the group level by using the HAVING clause inside the GROUP BY clause. The following script give... 2007-04-20, 5013👍, 0💬

How to make elements invisible?
How to make elements invisible? Change the "visibility" attribute of the style object associated with your element. Remember that a hidden element still takes up space, use "display" to make the space disappear as well. if ( x == y) { myElement.style.visibility = 'visible'; } else { myElement.style.... 2011-06-07, 5012👍, 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