Category Archives: OLAP Interview Questions

Explain about the view selection problem? | OLAP Questions

Often calculating all the data is not possible by aggregations for this reason some of the complex data problems are solved. In order to determine which data should be solved and calculated, developers use View selection application. This solution is … Continue reading

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Compare Data Warehouse database and OLTP database. | OLAP Questions

Data Warehouse is used for business measures cannot be used to cater real time business needs of the organizationand is optimized for lot of data, unpredictable queries. On the other hand, OLTP database is for real time business operations that … Continue reading

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What are the different industries which use this marketing tool? | OLAP Questions

Many different companies can use this tool for developing their business strategy but it is often three major industries which use this tool more. Those three industries are Consumer goods industries, Retail industries, and financial services industry. These industry`s have … Continue reading

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Explain about the database marketing application of OLAP? | OLAP Questions

Database marketing tool or application helps a user or marketing professional in determining the right tool or strategy for his valuable add campaign. This tool collects data from all sources and gives relevant information the specialist with their add campaign. … Continue reading

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Explain about multidimensional features present in OLAP? | OLAP Questions

Multidimensional support is very essential if we are to include multiple hierarchies in our data analysis. Multidimensional feature allows a user to analyze business and organization. OLAP efficiently handles support for multidimensional features.

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Explain about analysis? | OLAP Questions

Analysis defines about the logical and statistical analysis required for an efficient output. This involves writing of code and performing calculations, but most part of these languages does not require complex programming language knowledge. There are many specific features which … Continue reading

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Explain about shared features of OLAP? | OLAP Questions

Shared implements most of the security features into OLAP. If multiple accesses are required admin can make necessary changes. The default security level for all OLAP products is read only. For multiple updates it is predominant to make necessary security … Continue reading

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Explain about API`s of OLAP? | OLAP Questions

Microsoft in the late 1997 introduced a standard API known as OLE DB. After which XML was used for analysis specification and this specification was largely used by many vendors throughout the world as a standard specification. MDX is the … Continue reading

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Explain about Hybrid OLAP? | OLAP Questions

When a database developer uses Hybrid OLAP it divides the data between relational and specialized storage. In some particular modifications a HOLAP database may store huge amounts of data in its relational tables. Specialized data storage is used to store … Continue reading

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Explain about candidate check? | OLAP Questions

The process which is underlined during the check of base data is known as candidate check. When performing candidate check performance varies either towards the positive side or to the negative side. Performance of candidate check depends upon the user … Continue reading

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