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How to Loop through an Array
How to Loop through an Array? - PHP Script Tips - Understanding PHP Arrays and Their Basic Operations The best way to loop through an array is to use the "foreach" statement. There are two forms of "foreach" statements: foreach ($array as $value) {} - This gives you only one temporary variable to ho... 2007-04-20, 5484👍, 0💬

What Is File Upload
What Is File Upload? - PHP Script Tips - Uploading Files to Web Servers File upload is Web page function which allows visitor to specify a file on the browser's system and submit it to the Web server. This is a very useful function for many interactive Web sites. Some examples are: Web base email sy... 2007-04-19, 5484👍, 0💬

What Is a Dead Lock
What Is a Dead Lock? - Oracle DBA FAQ - Understanding SQL Transaction Management A dead lock is phenomenon happens between two transactions with each of them holding a lock that blocks the other transaction as shown in the following diagram: (transaction 1) (transaction 2) update row X to create loc... 2007-04-17, 5484👍, 0💬

How To Write a Left Outer Join with the WHERE Clause
How To Write a Left Outer Join with the WHERE Clause? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you don't want to use the LEFT OUTER JOIN ... ON clause to write a left outer join, you can use a special criteria in the WHERE clause as "left_table.column = right_table.column(+)".... 2007-04-19, 5482👍, 0💬

How to Retrieve SQLWarning
How to Retrieve SQLWarning? SQLWarning objects are a subclass of SQLException that deal with database access warnings. Warnings do not stop the execution of an application, as exceptions do. They simply alert the user that something did not happen as planned. A warning can be reported on a Connectio... 2007-04-03, 5482👍, 0💬

Enabling notification for individual tables
Enabling notification for individual tables Once the necessary stored procedure and tables are created then we have to notify saying which table needs to be enabled for notifications. That can be achieved by two ways:- ã aspnet_regsql -et -E -d Northwind -t Products ã Exec spNet_SqlCacheRegisterT... 2007-10-23, 5481👍, 0💬

How To Load Data from External Tables to Regular Tables
How To Load Data from External Tables to Regular Tables? - Oracle DBA FAQ - Loading and Exporting Data Once you have your data entered in a text file, and an external table defined to this text file, you can easily load data from this text file to a regular table. The following tutorial exercise sho... 2007-05-01, 5481👍, 0💬

How To Rebuild an Index
How To Rebuild an Index? - Oracle DBA FAQ - Managing Oracle Table Indexes If you want to rebuild an index, you can use the "ALTER INDEX ... REBUILD statement as shown in the following SQL script: SELECT index_name, table_name, uniqueness FROM USER_INDEXES WHERE table_name = 'EMPLOYEES'; INDEX_NAME T... 2007-04-27, 5481👍, 0💬

How To Convert Times to Characters
How To Convert Times to Characters? - 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(SYSDATE, 'HH:MI:SS') FROM DUAL; 04:49:49 SELECT TO_CHAR(SYSDATE, 'HH24:MI:SS.FF') FROM DUAL; -- Error: S... 2007-04-23, 5481👍, 0💬

What is Maximum Pool Size in ADO.NET Connection String
What is Maximum Pool Size in ADO.NET Connection String? 2007-10-24, 5479👍, 0💬

How To Use "OUT" Parameter Properly
How To Use "OUT" Parameter Properly? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions Here are the rules about OUT parameters: A formal OUT parameter acts like an un-initialized variable. It must be assigned with new values before the end of the procedure or function. An actual O... 2007-04-21, 5478👍, 0💬

What Is a DIV Tag/Element
What Is a DIV Tag/Element? - XHTML 1.0 Tutorials - Understanding DIV and SPAN elements A "div" element is a block element that you can use a container of flow elements (flow elements are really the superset of both inline elements and block elements). By default, "div" elements will be treated as pa... 2007-05-12, 5477👍, 0💬

What are the steps to create a webservice and consume it
What are the steps to create a webservice and consume it ? Note :- For this question this book will make a attempt by creating a simple webservice and explaining steps to acheive it. A simple webservice will be created which takes two number and gives addition result of the two number. In CD sample ... 2007-10-23, 5474👍, 0💬

How To Add a New Column to an Existing Table
How To Add a New Column to an Existing Table? - MySQL FAQs - Understanding SQL CREATE, ALTER and DROP Statements If you have an existing table with existing data rows, and want to add a new column to that table, you can use the "ALTER TABLE ... ADD COLUMN" statement. The tutorial script below shows ... 2007-05-11, 5474👍, 0💬

What Is "mysqladmin"
What Is "mysqladmin"? - MySQL FAQs - Administrator Tools for Managing MySQL Server "mysqladmin" is a command-line interface for administrators to perform server administration tasks. It support a number of commonly used commands like: "mysqladmin shutdown" - Shuts down the server. "mysqladmin ping" ... 2007-05-11, 5474👍, 0💬

How To View the Dropped Tables in Your Recycle Bin
How To View the Dropped Tables in Your Recycle Bin? - Oracle DBA FAQ - Managing Oracle Database Tables You can look what's in your recycle bin through the predefined view called RECYCLEBIN. You can use the SELECT statement to list the dropped tables as shown in the following script: SQL> connect HR/... 2007-05-04, 5474👍, 0💬

How To Add Images to Backgrounds
How To Add Images to Backgrounds? - CSS Tutorials - HTML Formatting Model: Block, Inline and Floating Elements One image can be specified to the background at a particular position. It can also be repeated in horizontal direction, vertical direction, or both directions with the following style prope... 2007-05-11, 5473👍, 0💬

How To Update a Table Row with a Record
How To Update a Table Row with a Record? - Oracle DBA FAQ - Working with Database Objects in PL/SQL If you have a RECORD variable with data fields matching a table structure, you can update a row in this table with this RECORD variable using the UPDATE ... SET ROW statement as shown in the sample sc... 2007-04-26, 5473👍, 0💬

Handling Run-Time Exceptions
How does JSP handle run-time exceptions? You can use the errorPage attribute of the page directive to have uncaught runtime exceptions automatically forwarded to an error processing page. For example: redirects the browser to the JSP page error.jsp if an uncaught exception is encountered during requ... 2007-04-03, 5471👍, 0💬

Are Java and JavaScript the Same?
Are Java and JavaScript the Same? No. java and JavaScript are two different languages. Java is a powerful object - oriented programming language like C++ and C, whereas Javascript is a client-side scripting language. 2008-07-17, 5470👍, 0💬

What is impersonation in ASP.NET
What is impersonation in ASP.NET ? By default, ASP.NET executes in the security context of a restricted user account on the local machine. Sometimes you need to access network resources such as a file on a shared drive, which requires additional permissions. One way to overcome this restriction is t... 2007-10-24, 5470👍, 0💬

How To Do Clean Up If CREATE DATABASE Failed
How To Do Clean Up If CREATE DATABASE Failed? - Oracle DBA FAQ - Creating New Database Instance Manually To better organize data files, you should create a dedicated directory for each Oracle database. This can be done by using Windows file explorer to create the \oraclexe\oradata\fyi\ directory. Tr... 2007-04-23, 5470👍, 0💬

What boolean operators does JavaScript support?
What boolean operators does JavaScript support? &amp;&amp;, || and ! 2008-07-29, 5469👍, 0💬

What is difference between dataset and datareader
What is difference between dataset and datareader ? Following are some major differences between dataset and datareader ? DataReader provides forward-only and read-only access to data, while the DataSet object can hold more than one table (in other words more than one rowset) from the same data sour... 2007-10-24, 5468👍, 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