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How To Insert Multiple Rows with One INSERT Statement
How To Insert Multiple Rows with One INSERT Statement? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to insert multiple rows with a single INSERT statement, you can use a subquery instead of the VALUES clause. Rows returned from the subquery will be inserted the target table. The f...
2007-04-21, 5970👍, 0💬

What is the difference WCF and Web services?
What is the difference WCF and Web services? Web services can only be invoked by HTTP. While Service or a WCF component can be invoked by any protocol and any transport type. Second web services are not flexible. But Services are flexible. If you make a new version of the service then you need to ju...
2007-11-04, 5969👍, 0💬

How To Experiment Data Locks
How To Experiment Data Locks? - MySQL FAQs - Transaction Management: Commit or Rollback If you want to have some experience with data locks, you can create two windows running two mysql transactions in two sessions. In session 1, you can run a UPDATE statement with REPEATABLE READ transaction isolat...
2007-05-11, 5969👍, 0💬

What Is a Connect Identifier
What Is a Connect Identifier? - Oracle DBA FAQ - Introduction to Command-Line SQL*Plus Client Tool A "connect identifier" is an identification string of a single set of connection information to a specific target database instance on a specific Oracle server. Connect identifiers are defined and stor...
2007-04-28, 5969👍, 0💬

What does the "Access is Denied" IE error mean?
What does the "Access is Denied" IE error mean? The "Access Denied" error in any browser is due to the following reason. A JavaScript in one window or frame is tries to access another window or frame whose document's domain is different from the document containing the script.
2008-07-08, 5968👍, 0💬

What Happens to the Indexes If a Table Is Recovered
What Happens to the Indexes If a Table Is Recovered? - Oracle DBA FAQ - Managing Oracle Table Indexes If you dropped a table, and recovered it back from the recycle bin, what happens to its indexes? Are all indexes recovered back automatically? The answer is that all indexes will be recovered, if yo...
2007-05-03, 5968👍, 0💬

How do I include static files within a JSP page?
How do I include static files within a JSP page? Static resources should always be included using the JSP include directive. This way, the inclusion is performed just once during the translation phase. The following example shows the syntax: &lt; % @ include file="copyright.html" % &gt; Do n...
2013-08-01, 5965👍, 0💬

What is basic use of “DataView”
What is basic use of “DataView” ? “DataView” represents a complete table or can be small section of rows depending on some criteria. It is best used for sorting and finding data with in “datatable”. Dataview has the following method’s Find It takes a array of values and returns the index of the r...
2007-10-24, 5964👍, 0💬

Externalizable Interface: readExternal() and readExternal()
How many methods in the Externalizable interface? There are two methods in the Externalizable interface. You have to implement these two methods in order to make your class externalizable. These two methods are readExternal() and readExternal().
2007-03-03, 5963👍, 0💬

Which set of preprocessor directives is used to prevent multiple inclusions of header files?
Which set of preprocessor directives is used to prevent multiple inclusions of header files? 1 #ifndef, #define and #endif 2 #ifdefined and #enddefine 3 #define and #endif only 4 #$if and #endif 5 #if and #define
2012-04-30, 5959👍, 0💬

How To Position Background Images
How To Position Background Images? - CSS Tutorials - Page Layout and Background Image Design In the previous exercise, the background image is repeated on the entire background area of the DIV tag. If you want to have one copy of the image at the bottom right corner, you need to use background-repea...
2007-05-11, 5959👍, 0💬

How To Invoke the Data Pump Export Utility
How To Invoke the Data Pump Export Utility? - Oracle DBA FAQ - Loading and Exporting Data The Data Pump Export utility is distributed as executable file called "expdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "expdp" command. He...
2007-05-01, 5959👍, 0💬

How To Delete Existing Rows in a Table
How To Delete Existing Rows in a Table? - MySQL FAQs - Managing Tables and Running Queries with PHP Scripts If you want to remove a row from a table, you can use the DELETE statement with a WHERE clause to identify the row. The following sample script deletes one row: &lt;?php include "mysql_con...
2007-05-11, 5957👍, 0💬

How To Define a Sub Procedure
How To Define a Sub Procedure? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions A sub procedure is a named procedure defined and used inside another procedure or function. You need to define a sub procedure in the declaration part of the enclosing procedure or function. Sub proce...
2007-04-25, 5952👍, 0💬

Can we sign a satellite assembly
Can we sign a satellite assembly? Yes you can sign the satellite assembly using the /keyfile switch which takes “.snk” file as the input parameter. al /res:MyLanguage.resources /c:de /keyfile:MyLang.snk out:MyLanguages.resources.dll
2007-11-02, 5951👍, 0💬

Observer Interface and Observable Class
How are Observer and Observable used? Objects that subclass the Observable class maintain a list of observers. When an Observable object is updated, it invokes the update() method of each of its observers to notify the observers that it has changed state. The Observer interface is implemented by obj...
2007-03-03, 5951👍, 0💬

How To Place Comments in PL/SQL
How To Place Comments in PL/SQL? - Oracle DBA FAQ - Understanding PL/SQL Language Basics There are two ways to place comments into PL/SQL codes: SQL Statement Style: Starts you comment any where in the line but prefixed with '--'. The comment ends at the end of the line. C Language Style: Starts you...
2007-05-01, 5948👍, 0💬

What is Action Class
What is Action Class? The Action Class is part of the Model and is a wrapper around the business logic. The purpose of Action Class is to translate the HttpServletRequest to the business logic. To use the Action, we need to Subclass and overwrite the execute() method. In the Action Class all the dat...
2007-12-17, 5947👍, 0💬

Defining Abstract Classes
How to define an Abstract class? Defining an abstract class is done using the keyword "abstract". Here is an example of abstract class: abstract class MyAbstract { protected String myString; public String getMyString() { return myString; } public abstract string getMyStringInYourWay(); }
2007-03-03, 5944👍, 0💬

How To Sort Output in Descending Order
How To Sort Output in Descending Order? - MySQL FAQs - SQL SELECT Query Statements with GROUP BY If you want to sort a column in descending order, you can specify the DESC keyword in the ORDER BY clause. The following SELECT statement first sorts the "tag" in descending order, then sorts the "counts...
2007-05-11, 5943👍, 0💬

How To Connect MS Access to Oracle Servers
How To Connect MS Access to Oracle Servers? - Oracle DBA FAQ - ODBC Drivers, DSN Configuration and ASP Connection Once you got a DSN defined in the ODBC manager that connects to an Oracle server, you can connect a normal MS Access document to the Oracle server, and link an Access table to Oracle tab...
2007-04-17, 5943👍, 0💬

How can I show the entire validation error message in a message box on the client side
How can I show the entire validation error message in a message box on the client side? In validation summary set “ShowMessageBox” to true.
2007-10-24, 5941👍, 0💬

What does an XML document actually look like
What does an XML document actually look like? The basic structure of XML is similar to other applications of SGML, including HTML. The basic components can be seen in the following examples. An XML document starts with a Prolog of the required the XML declaration &lt;?xml version="1.0" encoding=...
2007-04-11, 5940👍, 0💬

Perl uses single or double quotes to surround a zero
Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical? They are not identical. There are several differences between using single quotes and double quotes for strings: The double-quoted string will perform variable interpolation...
2007-11-26, 5935👍, 0💬

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