data warehouse design tutorial

not appear the number of calls, call time and so on. Timeliness of data, including the timeliness of data processing (acquisition, collation, loading, etc.), the timeliness of anomaly detection, and the timeliness of processing and rollback. The Data Warehouse serves the management decision, the

Data Main content A. Considering the development of data warehouse from the perspective of system and whole Two. Concept and content of CIF Three CIF Case-sap BW Four Data Warehouse and Enterprise application integration Five Summary References Summary The main content o

Application (OFSA) Financial Industry Strategic management and decision support Application system, Oracle Financial Analyzer Financial analysis system. 4. Business Intelligence applications Includes the Oracle Business Information System Enterprise Business Intelligence Application System and Oracle Balanced ScoreCard integrated Balanced ScoreCard application System. 5. Expert Services Includes the Oracle Consulting data

memory: 2.1.1 Parallelism We learned from section 10.2.1 that DB2 usually runs on SMPServerAnd MPP server cluster environment. For these two environments, the parallel capability of multi-core CPU should be used to improve query performance. In an SMP server environment, a CPU usually has multiple kernels. DB2 can split the work required to process queries into fragments and execute these fragments in parallel, which significantly reduces the query time. Pass DatabaseManagementIf the value of t

, good and standardized programming habits, and technical document writing habits; Strong sense of responsibility, good cooperation spirit, learning and communication skills; Understand the knowledge and concepts related to business intelligence (BI) product development; Experience in data warehouse or bi project development is preferred. Bi Data

present, most of the data warehouse is still using the relational database pipeManagement system. The main difference between a data warehouse and a database is that:(1) database is a transaction-oriented design, the Data

data analysis tools (currently supported only on Windows platforms) provide graphical modeling and hypothesis analysis capabilities, Support for visual development and event-driven programming techniques that provide a language compatible with Visual Basic syntax, which supports OCX and Ole;oracle Express Analyzer as a general-purpose, end-user-oriented reporting and analysis tool (currently supports only Windows platforms). The Oracle Discoverer Ad

previous day with the hash of the previous day, this strategy is more complex, described here, For example, a membership table, its primary key is MemberID, and the status of the member is likely to be updated every day, After the first extraction, we generate an alternate table A, containing two fields, the first of which is MemberID, The second is that all the fields except MemberID are stitched together, and then a hash-generated field At the next extraction time, the source table will be th

InnoDB ~ 60 times. Efficient query mainly relies on the specially designed storage structure to optimize the query. However, the optimization effect depends on the database structure and query statement design. Large data volumes: terabytes of data and billions of records. Data volume storage depends on your own hig

Tags: targe LAN causes HTTP extensions three-month partial PST calculationIn short, the database is a transaction-oriented design, the Data Warehouse is a theme-oriented design.Databases generally store online transaction data, and data warehouses typically store historical

Label:In short, the database is a transaction-oriented design, the Data Warehouse is a theme-oriented design.Databases generally store online transaction data, and data warehouses typically store historical data.Database design is

differences are as follows:(1) database is a transaction-oriented design, the Data Warehouse is subject-oriented design.(2) database is generally stored online transaction data, Data Warehous