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How Many Ways to Get the Current Time
How Many Ways to Get the Current Time? - MySQL FAQs - Introduction to SQL Date and Time Handling There are 8 ways to get the current time: SELECT NOW() FROM DUAL; 2006-07-01 10:02:41 SELECT CURRENT_TIME() FROM DUAL; 10:02:58 SELECT SYSDATE() FROM DUAL; 2006-07-01 10:03:21 mysql> SELECT CURRENT_TIMES... 2007-05-11, 5636👍, 0💬

How To Generate and Process a Form with the Same Script
How To Generate and Process a Form with the Same Script? - PHP Script Tips - Processing Web Forms In previous exercises, a Web form is generated by one script, and processed by another script. But you could write a single script to do both. You just need to remember to: Use same script name as the f... 2007-04-22, 5636👍, 0💬

What Is PCDATA
What Is PCDATA? - XHTML Tutorials - Introduction To Element Content Syntax PCDATA stands for Parsed Character DATA. Here are some basic rules about PCDATA: PCDATA is a string of characters and XHTML entities. XHTML entities are escape sequences used to refer to special characters that are not so eas... 2007-05-12, 5634👍, 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, 5634👍, 0💬

What are JavaScript data types?
What are JavaScript data types? Number, String, Boolean, Function, Object, Null, Undefined. 2008-04-22, 5633👍, 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, 5633👍, 0💬

publish-and-subscribe and point-to-point
How many messaging models do JMS provide for and what are they? JMS provide for two messaging models, publish-and-subscribe and point-to-point queuing. 2007-04-03, 5633👍, 0💬

What Are DDL Statements
What Are DDL Statements? - Oracle DBA FAQ - Understanding SQL DDL Statements DDL (Data Definition Language) statements are statements to create and manage data objects in the database. The are 3 primary DDL statements: CREATE - Creating a new database object. ALTER - Altering the definition of an ex... 2007-04-22, 5632👍, 0💬

How To Dump a Table to a File with "mysqldump"
How To Dump a Table to a File with "mysqldump"? - MySQL FAQs - Administrator Tools for Managing MySQL Server If you want to dump all rows in a table from the server to a file, you can use "mysqldump" with the "-f fileName" option as show in the following tutorial exercise: >cd \mysql\bin >mysqldump ... 2007-05-11, 5631👍, 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, 5631👍, 0💬

How To Pass Parameters to Procedures
How To Pass Parameters to Procedures? - Oracle DBA FAQ - Introduction to PL/SQL Store procedures or functions can take parameters. You need to define parameters while defining the procedure, and providing values to parameters while calling the procedure. The script below shows you how to do this: SQ... 2007-04-26, 5631👍, 0💬

How To Generate a Form
How To Generate a Form? - PHP Script Tips - Processing Web Forms Generating a form seems to be easy. You can use PHP output statements to generate the required &lt;FORM> tag and other input tags. But you should consider to organized your input fields in a table to make your form looks good on th... 2007-04-23, 5631👍, 0💬

How To Sort the Query Output
How To Sort the Query Output? - Oracle DBA FAQ - Understanding SQL SELECT Query Statements If you want the returning rows to be sorted, you can specify a sorting expression in the ORDER BY clause. The following select statement returns rows sorted by the values in the "manager_id" column: SQL> SELEC... 2007-04-20, 5630👍, 0💬

What Is a Persistent Cookie
What Is a Persistent Cookie? - PHP Script Tips - Understanding and Managing Cookies A persistent cookie is a cookie which is stored in a cookie file permanently on the browser's computer. By default, cookies are created as temporary cookies which stored only in the browser's memory. When the browser... 2007-04-25, 5628👍, 0💬

What is Cache Callback in Cache
What is Cache Callback in Cache ? Cache object is dependent on its dependencies example file based, time based etc...Cache items remove the object when cache dependencies change.ASP.NET provides capability to execute a callback method when that item is removed from cache. 2007-10-23, 5624👍, 0💬

How do you start a project
How do you start a project? 2007-10-30, 5623👍, 0💬

What does isNaN function do?
What does isNaN function do? Return true if the argument is not a number. 2008-06-10, 5620👍, 0💬

How To Create a New Table by Selecting Rows from Another Table
How To Create a New Table by Selecting Rows from Another Table? - Oracle DBA FAQ - Understanding SQL DDL Statements Let's say you have a table with many data rows, now you want to create a backup copy of this table of all rows or a subset of them, you can use the CREATE TABLE...AS SELECT statement t... 2007-04-22, 5620👍, 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, 5619👍, 0💬

How To Use "reset" Input/Action Fields
How To Use "reset" Input/Action Fields? - XHTML 1.0 Tutorials - Understanding Forms and Input Fields A "reset" input field is defined as &lt;input type="reset" .../&gt;. "reset" input fields can be used to create reset buttons in a form. When a reset button is clicked, the form will be refre... 2007-05-12, 5619👍, 0💬

What does undefined value mean in JavaScript?
What does undefined value mean in JavaScript? Undefined value means the variable used in the code doesn't exist or is not assigned any value, or the property doesnt exist. 2008-11-18, 5618👍, 0💬

How To Create A Link to Open a Document in a New Window
How To Create A Link to Open a Document in a New Window? - XHTML 1.0 Tutorials - Understanding Hyper Links and URLs Normally, if a hyper link is linked to a XHTML document, the browser will display the linked document in the same window as the current document. But if you want to the browser to disp... 2007-05-12, 5618👍, 0💬

Which config file has all the supported channels/protocol
Which config file has all the supported channels/protocol ? Machine.config file has all the supported channels and formatter supported by .NET remoting.Machine.config file can be found at “C:\WINDOWS\Microsoft.NET\Fram ework\vXXXXX\CONFIG”path. Find element in the Machine.config file which has the c... 2007-10-23, 5617👍, 0💬

What Is an XHTML Entity
What Is an XHTML Entity? - XHTML Tutorials - Introduction To Element Content Syntax An XHTML entity is escape sequence used to represent a special character that is hard to enter via a normal keyboard. For example, you can not find a key on your keyboard to enter the copyright character, "&copy;... 2007-05-12, 5617👍, 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