A Collection of DATA Mining Interview Questions

52 Best  DATA Mining Interview Questions
1. What is ODS?
2. Define Filefactor.
3. What is Indexing?
4. What is the Naive Bayes Algorithm?
5. Explain the types of built-in functions.
6. State diff between clustered and non-clustered indexing.
7. Explain the workings of the A-Priori Algorithm.
8. Advantages of data mining.
9. What is smoothing.
10. What is constraint-based data mining?
11. How is data mining used in health care analysis?
12. What is apriori algorithm?
13. Define the Genetic Algorithm.
14. What is attribute selection measures?
15. What is a decision tree?
16. What is metrological data and data visualization?
17. List out drawbacks of data mining.
18. Can you start data mining before you have your data?
19. Disadvantages of indexes?
20. Define Binary Variables, and types of Binary Variables?
21. What is A-priori?
22. Explain types of data mining.
23. Bring out difference between Data Warehouse and database.
24. Define pattern?
25. Write a note on various types of detected pattern and VLDB?
26. Where is data kept?
27. Explain Layers of Data Mining
28. What is descriptive Model?
29. What are non-additive Facts?
30. What is Regression?
31. What is Time series Analysis?
32. Define Star Schema and snow flake schema?
33. Define Indexing, why it is used?
34. Define KDD and its Steps of working.
35. Write a note on Nave Bayes Algorithm.
36. Text mining and data purging.
37. Define Rollup and cube?
38. What is OLAP and OLTP?
39. Define Data Occurrence.
40. How to know when data is to be Rebuilt?
41. DATA mining Query language, DMX Explain.
42. Define ETL?
43. What is Anti-Monotone Property?
44. What is Real-time Data warehousing?
45. Define Ice-berg Query?
46. What are multidimensional association rules?
47. Describe Tree pruning methods?
48. What is CURE?
49. Define Chameleon method?
50. How the PCY Algorithm works?
51. What is a DBSCAN?
52. What is a STING?

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Ionic Framework Center button within ionic item

I am using the ionic framework. The following code makes the buttons align left. I would like to make the buttons align center. How can I do that? Thanks

<ion-list>    
  <ion-item><button ion-button (click)="gotoPage1();">Go page 1</button></ion-item>
  <ion-item><button ion-button (click)="gotoPage2()">Go page 2</button></ion-item>
  <ion-item><button ion-button (click)="gotoPage3()">Go page 3</button></ion-item>
</ion-list>

Ionic provides a set of utility attributes that can be used on any element in order to modify the text or adjust the padding or margin. Use this Center button within ionic item

<ion-list >    
  <ion-item  text-center ><button ion-button (click)="gotoPage1(); ">Go page 1</button></ion-item>
  <ion-item text-center><button ion-button (click)="gotoPage2()">Go page 2</button></ion-item>
  <ion-item text-center><button ion-button (click)="gotoPage3()">Go page 3</button></ion-item>
</ion-list>

Best Ionic Framework Questions answers

Ionic is an open-source, front-end SDK for developing Hybrid Mobile Applications using a web. Web technology-based components as well as native APIs using Cordova and Ionic Native

Getting Started with Jquery Selectors

Jquery Selectors

• Jquery Selectors are used to picking a selected element for a jquery manipulation.
• Jquery Selectors are plays an important role to find one or more elements based on the element’s attributes and their basic features.
• Selectors get and set an element and its value with the help of DOM Tree.
• Selectors are manipulating a jquery with the help of dollar symbol -$().
• The selectors are enfolded into () these braces and enclosed a selector by quotes like $(“selector”). These quotes are the user’s possibilities that maybe single quote $(‘selector’).
• These two methods derive the same results only.
• Jquery selectors are divided based on their manipulations process.

Basic Selectors

• Basic Selectors are select an element based on their essential features only.

Selectors	Description	Example
Element	A selection is Based on an Element Name.	$(“p”).text();
Element1,,ElementN	It select several HTML Elements based on an element Name.	$(“p”,”h1”,”div”).text();
Id	A selection is based on Unique id Attribute.	$(“#p1”).text();
Class	In this selector manipulate a jquery based on an element's class name.	$(“.p1”).text();
*	This selector called as universal selector that select an entire element.	$(*).text();

Attribute Selectors

• Attribute Selectors are picked an element based on an element's attributes and it's value.
• An attributes names are enclosed into a single bracket like-[].

Selectors	Description	Example
[name]	This selector elect the selected attribute value.	$('h1').attr('title');
[name=value]	Select a matched attribute's element.	$('h1[title|= head]').text()
[name='value1']	Select which element have these two attribute value.	$('h1[title=head][name=have]').text();
[name|='value']	select an element which start with | pipe symbol or the mentioned value.	$('h1[title|= head]').text();
[name^='value']	Select the attribute which start with selected value.	$('h1[title^=head]').text();
[name$='value']	Selection is based on the ending value.	$('h1[title$=ing]').text();
[name~='value']	This selection is based on sibiling values.	$('h1[title~=head]').text()
[name!='value']	It not select a matched element.	$('h1[title!=head]').text()
[name*='value']	It select an entire selected element.	$('h1[title*=head]').text()

Hierarchy based selectors

• In this selection is based on ancestors and descendants of an element.
• This selector helps to find out an element that based on their relationships like child, parent, and ancestors.

The following table describes this selection process.

Selector	Description	Example
parent>child	It select a direct child element of selected parent.	$('div>h1').text();
ancestor descendant	Selection is based on an element's entire relationship.	$('div>p>span>b').text();
element + next	It select the next element of a selected element.	$('h1+p').text()
element ~ next	It select a sibling elements.	$('label~input').css({ "border-color": "red" });

Thanks for reading Jquery is one the most popular libary written is javascript. If you are looking for some good jquery interview questions check the next article.

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