What is slice and dice in data mining?

To slice and dice is to break a body of information down into smaller parts or to examine it from different viewpoints so that you can understand it better. … In data analysis, the term generally implies a systematic reduction of a body of data into smaller parts or views that will yield more information.

What is dice in data mining?

OLAP Dice emphasizes two or more dimensions from a cube given and suggests a new sub-cube, as well as Slice operation does. In order to locate a single value for a cube, it includes adding values for each dimension.

What is slice and dice in data warehouse?

The main difference between slice and dice in data warehouse is that the slice is an operation that selects one specific dimension from a given data cube and provides a new subcube while the dice is an operation that selects two or more dimensions from a given data cube and provides a new subcube.

What is slice and dice strategy?

Slice and dice is based on the approach that small cap stocks and value stocks are associated with risk premiums. Weighting a portfolio in favor of small cap stocks and value stocks increases its volatility and therefore return over time.

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What is OLAP example?

OLAP stands for On-Line Analytical Processing. It is used for analysis of database information from multiple database systems at one time such as sales analysis and forecasting, market research, budgeting and etc. Data Warehouse is the example of OLAP system.

How many dimensions are selected in dice operation?

A : Only one dimension is selected for the slice operation. Q: How many dimensions are selected in dice operation? A : For dice operation two or more dimensions are selected for a given cube. Q: How many fact tables are there in a star schema?

What are the types of OLAP?

There are 3 main types of OLAP servers are as following:

  • Relational OLAP (ROLAP) – Star Schema based – …
  • Multidimensional OLAP (MOLAP) – Cube based – …
  • Hybrid OLAP (HOLAP) –

What is slicing and dicing data?

To slice and dice is to break a body of information down into smaller parts or to examine it from different viewpoints so that you can understand it better. … In data analysis, the term generally implies a systematic reduction of a body of data into smaller parts or views that will yield more information.

Is OLAP a database?

The core of most OLAP systems, the OLAP cube is an array-based multidimensional database that makes it possible to process and analyze multiple data dimensions much more quickly and efficiently than a traditional relational database.

What is difference between OLAP and OLTP?

OLTP and OLAP both are the online processing systems. OLTP is a transactional processing while OLAP is an analytical processing system. … The basic difference between OLTP and OLAP is that OLTP is an online database modifying system, whereas, OLAP is an online database query answering system.

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