OLAP

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OLAP

OLAP

(OnLine Analytical Processing) Decision support software that allows the user to quickly analyze information that has been summarized into multidimensional views and hierarchies. OLAP tools are used to perform trend analysis on sales and financial information. They enable users to drill down into masses of sales statistics in order to isolate products that are the most volatile.

OLAP and MOLAP
Traditional OLAP products are also called "multidimensional OLAP" (MOLAP) because they summarize transactions into multidimensional views ahead of time. Data are organized into a cube structure that can be rotated by the user, which is particularly suited for financial summaries. Queries are fast because the consolidation has already been done.

Relational OLAP (ROLAP)
Relational OLAP tools extract data from relational databases. Using complex SQL statements against relational tables, ROLAP is able to create multidimensional views on the fly. ROLAP tends to be used on data that has a large number of attributes, where it cannot be easily placed into a cube structure. For example, customer data with numerous descriptive fields are typically ROLAP candidates, rather than financial data.

Database OLAP and Web OLAP (DOLAP and WOLAP)
A database OLAP refers to a relational DBMS that is designed to host OLAP structures and perform OLAP calculations. Web OLAP refers to OLAP data that is accessible from a Web browser. See MDX.
References in periodicals archive ?
Anadolu'daki daha alcakgonullu geleneksel evlerde banyo mekanlari ise, hemen her odada dolap iclerine gizlenmis gusulhanelerden olusur.
Bu evlerde hamam icin gerekli suyun cevrede acilmis kuyudan bir dolap araciligiyla saglandigi da bilinmektedir (Sakaoglu, 1978, 44).
Literaturde, Anadolu'nun farkli bolgelerindeki geleneksel konutlari konu edinen hicbir calismada, gomme dolap duzenindeki gusulhanelerde bir isitma sistemine rastlanmamakla birlikte, genis bir cografyaya dagilan pek cok gusulhane orneginin oldugu da bilinmektedir.
Zemin katin guney-dogusunda yer alan odanin [2] dogu duvar yuzeyinde yer alan gomme dolap duzeni kaldirilarak hem ara hole, hem de bitisigindeki odaya kapilar acilmistir.
Duvarda yer alan ve yandaki odanin hamamligina acilan kapak ile Karabek Evi zemin kat guney-bati kosesindeki odada [1] dikkati ceken dolap ise bulunduklara yerlere sonradan eklenmislerdir.
Ote yandan inceleme kapsamina alinmis soz konusu Corum evleri dikkate alindiginda, gusulhanelerin gomme dolap duzenli odalarin tumunde bulunmadigi da soylenebilir.
Guneybatisindaki odanin [2] gomme dolap izleri gusulhane yerlestirilemeyecek bir derinlige sahiptir.
Alt katinda yer alan odada da gomme dolap olmasina karsin gusulhane bulunmamaktadir.