InterviewUp – Job Interview Questions and Answers – What is SDL (Storage Definition Language)?

August 21, 2008

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What is SDL (Storage Definition Language)?

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Asked By: edward

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This language is to specify the internal schema. This language may specify the mapping between two schemas.

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database, RDBMS, Data Warehousing

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Database Engineer

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technology, communication, economics, globlisation, market economic, Trade issues, poverty, trade issue

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swati

Tuesday, July 22, 2008 8:42 PM

good. describe more.

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Why do we have index table in the database?

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Asked By: Anonymous |

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A database index is a data structure that improves the speed of operations in a table. Indices can be created using one or more columns, providing the basis for both rapid random lookups and efficient ordering of access to records. The disk space required to store the index is typically less than the storage of the table (since indices usually contain only the key-fields according to which the table is to be arranged, and excludes all the other details in the table), yielding the possibility to store indices into memory from tables that would not fit into it. In a relational databasean index is a copy of part of a table. Some databases extend the power of indexing by allowing indices to be created on functions or expressions. For example, an index could be created on upper(last_name), which would only store the uppercase versions of the last_name field in the index. Another option sometimes supported is the use of "filtered" indices, where index entries are created only for those records that satisfy some conditional expression. A further aspect of flexibility is to permit indexing on user-defined functions, as well as expressions formed from an assortment of built-in functions.

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Monday, April 28, 2008

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java question, software engineering

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software engineer

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How .net 3.5 framework is superior than .net 3.0?

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Asked By: leo_ptl |

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The .NET Framework 3.5 provides the foundation for building connected and appealing applications, productively, on a wide variety of systems from the device to the data center.

Microsoft continues to support developers using the .NET Framework platform by providing support for applications built in previous versions to the 3.5 release, so existing applications built for .NET Framework 2.0 or .NET Framework 3.0 will continue to work.

The .NET Framework 3.5 adds new features in several major technology areas:

Deep integration of Language Integrated Query (LINQ) and data awareness.
Support for Web 2.0 AJAX-style applications and services in ASP.NET and WCF.
Full tooling support for WF, Windows Communication Foundation (WCF), and Windows Presentation Foundation (WPF), including the new workflow-enabled services technology.
New classes in the base class library (BCL) for the .NET Framework 3.5 address the most common customer requests.

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Tuesday, June 10, 2008

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asp.net 3.5, asp.net 3.0

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What is JSP tag handler ?

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Asked By: priore |

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A Java programming language object that implements the behavior of a custom tag.

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Tuesday, May 13, 2008

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J2EE

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Systems Engineer

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If a base class has a number of overloaded constructors, and an inheriting class has a number of overloaded constructors; can you enforce a call from an inherited constructor to a specific base constructor?

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Asked By: evilari |

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Yes, just place a colon, and then keyword base (parameter list to invoke the appropriate constructor) in the overloaded constructor definition inside the inherited class.

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Tuesday, May 13, 2008

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C#, C-Sharp

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Computer Programmer

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What is XLL ?