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Here you will see all the Interview Questions and Answers related to Data Warehousing and ERD

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<img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' src='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo' height='40' width='40' />

What is slowly changing dimensions in data warehousing?

By Deepak Raj, Aug 29, 20

Topic Tags: slowlychangingdimensions , datawarehouseslowlychang ,

Interview Questions & Answers

2

640

<img alt="Deepika A" alt='' src='https://secure.gravatar.com/avatar/50a17564c6f838aa6a4dacc5df273ebe?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/50a17564c6f838aa6a4dacc5df273ebe?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo' height='40' width='40' />

By Deepika A

2 years ago

<img alt="Vikky" alt='' src='//www.gravatar.com/avatar/38776ecf23daaf8d2b881408fc55fc47?s=40&r=g&d=mm' srcset='//www.gravatar.com/avatar/38776ecf23daaf8d2b881408fc55fc47?s=40&r=g&d=mm 2x' class='avatar avatar-40 photo' height='40' width='40' />

What is normalization in dbms?

By Vikky, Sep 13, 20

Topic Tags: normalizationindbms , normalization ,

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1

598

<img alt="VK" alt='' data-srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' height='40' width='40' data-src="https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="VK" alt='' data-srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' height='40' width='40' data-src="https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="VK" alt='' src='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg' srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' class='avatar avatar-40 photo' height='40' width='40' />

2 years ago

<img alt="Jeeva" alt='' src='//www.gravatar.com/avatar/38776ecf23daaf8d2b881408fc55fc47?s=40&r=g&d=mm' srcset='//www.gravatar.com/avatar/38776ecf23daaf8d2b881408fc55fc47?s=40&r=g&d=mm 2x' class='avatar avatar-40 photo' height='40' width='40' />

What are the data cleansing steps?

By Jeeva, Sep 13, 20

Topic Tags: datacleansing , datacleaning ,

Interview Questions & Answers

1

358

<img alt="VK" alt='' src='//www.gravatar.com/avatar/ac518374244fe639ba1bb54fb8b599de?s=40&r=g&d=mm' srcset='//www.gravatar.com/avatar/ac518374244fe639ba1bb54fb8b599de?s=40&r=g&d=mm 2x' class='avatar avatar-40 photo' height='40' width='40' />

By VK

2 years ago

<img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' src='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo' height='40' width='40' />

What is Star Schema and Snowflake Schema in Data Warehousing?

By Deepak Raj, Aug 29, 20

Topic Tags: differencebetweenstarsche , starschema , snowflakeschema ,

Interview Questions & Answers

2

440

<img alt="Siva Kumar" alt='' src='//www.gravatar.com/avatar/145acdc57a7ca44c99fa14d88bdddeb8?s=40&r=g&d=mm' srcset='//www.gravatar.com/avatar/145acdc57a7ca44c99fa14d88bdddeb8?s=40&r=g&d=mm 2x' class='avatar avatar-40 photo' height='40' width='40' />

By Siva Kumar

2 years ago

<img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' src='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo' height='40' width='40' />

What is Junk Dimension in Data Warehousing?

By Deepak Raj, Aug 29, 20

Topic Tags: junkdimension , useofjunkdimension , datawarehousejunkdimensi ,

Interview Questions & Answers

1

400

<img alt="VK" alt='' data-srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' height='40' width='40' data-src="https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="VK" alt='' data-srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' height='40' width='40' data-src="https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="VK" alt='' src='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg' srcset='https://secureservercdn.net/198.71.233.66/9xz.ac2.myftpupload.com/wp-content/plugins/ultimate-member/assets/img/default_avatar.jpg 2x' class='avatar avatar-40 photo' height='40' width='40' />

2 years ago

<img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' data-srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' height='40' width='40' data-src="https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g" class="avatar avatar-40 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img alt="Deepak Raj" alt='' src='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/d66d20af45d670466598417314d29f90?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo' height='40' width='40' />

What are the types of fact table in data warehousing?

By Deepak Raj, Aug 29, 20

Topic Tags: typesoffacttables , datawarehousingfacttable , differenttypesoffacttabl ,

Interview Questions & Answers

1

387

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2 years ago

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