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What Is NVL
What Is NVL? NVL is a function lets you substitute a value when a null value is encountered. 2007-04-15, 5093👍, 0💬

What Are Synonyms
What Are Synonyms? Synonyms is the alias name for table, views, sequences and procedures and are created for reasons of Security and Convenience. Two levels are Public - created by DBA and accessible to all the users. Private - Accessible to creator only. Advantages are referencing without specifyin... 2007-04-15, 5082👍, 0💬

Differences of XML, SGML, and HTML
Aren't XML, SGML, and HTML all the same thing? Not quite. SGML is the mother tongue, and has been used for describing thousands of different document types in many fields of human activity, from transcriptions of ancient Irish manuscripts to the technical documentation for stealth bombers, and from ... 2007-04-11, 5076👍, 0💬

How can we call methods in remoting Asynchronously ?
.NET INTERVIEW QUESTIONS - How can we call methods in remoting Asynchronously ? All previous examples are a synchronous method calls that means client has to wait until the method completes the process. By using Delegates we can make Asynchronous method calls. 2009-09-01, 5072👍, 0💬

What Privilege Is Needed for a User to Create Tables
What Privilege Is Needed for a User to Create Tables? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges To be able to create tables in a user's own schema, the user needs to have the CREATE TABLE privilege, or the CREATE ANY TABLE privilege, which is more powerful, and allows t... 2007-05-01, 5072👍, 0💬

What Privilege Is Needed for a User to Insert Rows to Tables in Another Schema
What Privilege Is Needed for a User to Insert Rows to Tables in Another Schema? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges For a user to insert rows into tables of someone else's schema, he/she needs the INSERT ANY TABLE privilege. The following tutorial exercise gives y... 2007-05-01, 5072👍, 0💬

What Are Group Functions
What Are Group Functions? Group Functions returns results based upon groups of rows rather than one result per row, use group functions. They are AVG, COUNT, MAX, MIN and SUM. 2007-04-15, 5072👍, 0💬

What Privilege Is Needed for a User to Create Indexes
What Privilege Is Needed for a User to Create Indexes? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges For a user to create indexes, he/she needs the same privilege as the creating tables. Just make sure he/she has the CREATE TABLE privilege. The following tutorial exercise g... 2007-05-01, 5065👍, 0💬

What Is a User Role
What Is a User Role? - Oracle DBA FAQ - Oracle Basic Concepts A user role is a group of privileges. Privileges are assigned to users through user roles. You create new roles, grant privileges to the roles, and then grant roles to users. 2007-04-21, 5062👍, 0💬

Examples of XML DTDs or schemas that you have worked with
Give some examples of XML DTDs or schemas that you have worked with Although XML does not require data to be validated against a DTD, many of the benefits of using the technology are derived from being able to validate XML documents against business or technical architecture rules. Polling for the l... 2007-04-11, 5053👍, 0💬

What does the term sticky session mean in a web-farm scenario?
What does the term sticky session mean in a web-farm scenario? Why would you use a sticky session? What is the potential disadvantage of using a sticky session? Sticky session refers to the feature of many commercial load balancing solutions for web-farms to route the requests for a particular sessi... 2008-11-04, 5052👍, 0💬

What Privilege Is Needed for a User to Create Views
What Privilege Is Needed for a User to Create Views? - Oracle DBA FAQ - Managing Oracle User Accounts, Schema and Privileges To be able to create views in a user's own schema, the user needs to have the CREATE VIEW privilege, or the CREATE ANY VIEW privilege, which is more powerful, and allows the u... 2007-05-01, 5050👍, 0💬

How to embed JavaScript in a web page?
How to embed JavaScript in a web page? javascript code can be embedded in a web page between &lt;script langugage="javascript"> your scripts here &lt;/script> tags. 2008-07-17, 5048👍, 0💬

What is Multi-threading ?
.NET INTERVIEW QUESTIONS - 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 back... 2009-10-27, 5045👍, 0💬

Describe the differences between XML and HTML
Describe the differences between XML and HTML It's amazing how many developers claim to be proficient programming with XML, yet do not understand the basic differences between XML and HTML. Anyone with a fundamental grasp of XML should be able describe some of the main differences outlined in the ta... 2007-04-11, 5043👍, 0💬

How can you implement Page Fragment Caching ?
.NET INTERVIEW QUESTIONS - How can you implement Page Fragment Caching ? Page fragment caching involves the caching of a fragment of the page, rather than the entire page. When portions of the page are need to be dynamically created for each user request this is best method as compared to page cachi... 2009-05-26, 5034👍, 0💬

Security in Remoting ?
Security in Remoting ? Security is of paramount importance to any distributed application. Although the .NET Remoting infrastructure does not define any security features itself, because distributed applications are managed code they have full access to all of the .NET security features. In addition... 2009-03-24, 5027👍, 0💬

How to remove the event listener?
How to remove the event listener? &lt;script type="text/javascript">&lt ;!--document.getElementById("hitme 4").removeEventListener("click ",hitme4, false); // --&gt; &lt;/script> Key Events "onkeydown", "onkeypress", "onkeyup" events are supported both in ie and standards-based browse... 2009-01-28, 5025👍, 0💬

What Is a Server Parameter File
What Is a Server Parameter File? - Oracle DBA FAQ - Oracle Basic Concepts A server parameter file is a binary file that acts as a repository for initialization parameters. The server parameter file can reside on the machine where the Oracle database server executes. Initialization parameters stored ... 2007-04-21, 5022👍, 0💬

What is garbage collection?
.NET INTERVIEW QUESTIONS - What is garbage collection? Garbage collection is a CLR feature which automatically manages memory. Programmers forget to release the objects while coding . CLR automatically releases objects when they are no longer in use and referenced. CLR runs on non-deterministic to s... 2010-03-23, 5018👍, 0💬

What Is a Database Table
What Is a Database Table? - Oracle DBA FAQ - Oracle Basic Concepts A database table is a basic unit of data logical storage in an Oracle database. Data is stored in rows and columns. You define a table with a table name, such as employees, and a set of columns. You give each column a column name, su... 2007-04-21, 5017👍, 0💬

How do you assign object properties?
How do you assign object properties? obj["age"] = 17 or obj.age = 17. 2008-10-28, 5015👍, 0💬

How to reload the current page
How to reload the current page window.location.reload(true); 2009-02-10, 5014👍, 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, 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