Schema Evolution for Data Warehouse: A Survey
نویسندگان
چکیده
منابع مشابه
Schema Evolution for Data Warehouse: A Survey
Data warehouse is considered as the core component of the modern decision support systems. Due to the major support of data warehouse in the daily transaction of an enterprise, the requirements for the design and the implementation of DW are dynamic and subjective. This dynamic nature of the data warehouse may reflect the evolution in the data warehouse. Data warehouse evolution may be focused ...
متن کاملA Survey on Data Warehouse Evolution
The data warehouse (DW) technology was developed to integrate heterogeneous information sources for analysis purposes. Information sources are more and more autonomous and they often change their content due to perpetual transactions (data changes) and may change their structure due to continual users' requirements evolving (schema changes). Handling properly all type of changes is a must. In f...
متن کاملComprehensive Study for Data warehouse Schema evolution Operators
Data warehouse is considered as the core component of the modern decision support systems. Due to the major support of data warehouse in the daily transaction of an enterprise, the requirements for the design and the implementation of DW are dynamic and subjective. This dynamic nature of the data warehouse may reflect the evolution in the data warehouse. Data warehouse evolution may be focused ...
متن کاملData Warehouse Schema Design
A data warehouse is an integrated database primarily used in organizational decision making. Although the deployment of data warehouses is current practice in modern information technology landscapes, the methodical schema design for such databases has only been studied cursorily. In this paper we pursue schema design for data warehouses in the spirit of classical database design, organized as ...
متن کاملData Warehouse Schema Evolution: State of the Art
The paper presents an overview of research related to the problem of the data warehouse (DW) evolution. Related research can usually be grouped into three approaches schema evolution, schema versioning and view maintenance. The main contributions of the paper are: a) DW evolution state of the art, and b) critical analysis of existing methods and approaches to the DW schema evolution. Also, gene...
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ژورنال
عنوان ژورنال: International Journal of Computer Applications
سال: 2011
ISSN: 0975-8887
DOI: 10.5120/2590-3588