An Overview of Data Warehousing and OLAP Technology
... source data to correspondingly update the base data and derived data stored in the warehouse. There are two sets of issues to consider: when to refresh, and how to refresh. Usually, the warehouse is refreshed periodically. Only if some OLAP queries need current data, is it necessary to propagate eve ...
... source data to correspondingly update the base data and derived data stored in the warehouse. There are two sets of issues to consider: when to refresh, and how to refresh. Usually, the warehouse is refreshed periodically. Only if some OLAP queries need current data, is it necessary to propagate eve ...
Gaining the Performance Edge Using a Column
... that are stored for each row in the column. Mapping the original form of the data to a “token”, and storing the column as a list of these tokens requires much less storage space and yet, to the application, is totally transparent. For example, instead of maintaining copies of city name values in add ...
... that are stored for each row in the column. Mapping the original form of the data to a “token”, and storing the column as a list of these tokens requires much less storage space and yet, to the application, is totally transparent. For example, instead of maintaining copies of city name values in add ...
Data Consistency Management
... Data in one system needs to be checked for consistency Typical situations include unintended partial deletion of data by coding errors (e.g. only header data) or bad quality of master data (e.g. accidental non-execution of transformation reports) Goal Comparison of two tables to detect missing t ...
... Data in one system needs to be checked for consistency Typical situations include unintended partial deletion of data by coding errors (e.g. only header data) or bad quality of master data (e.g. accidental non-execution of transformation reports) Goal Comparison of two tables to detect missing t ...
Report - University of Houston-Clear Lake
... with very important insights into how they think about the business, as well as tell us what measurement units are important for them. Managers think of the business in terms of how they want to measure it. These measurements are the facts that indicate to the users how their departments are doing i ...
... with very important insights into how they think about the business, as well as tell us what measurement units are important for them. Managers think of the business in terms of how they want to measure it. These measurements are the facts that indicate to the users how their departments are doing i ...
Configuration Guide - SAP Service Marketplace
... companies’ strategy and possible future developments, products, and/or platform directions and functionality are all subject to change and may be changed by SAP SE or its affiliated companies at any time for any reason without notice. The information in this document is not a commitment, promise, or ...
... companies’ strategy and possible future developments, products, and/or platform directions and functionality are all subject to change and may be changed by SAP SE or its affiliated companies at any time for any reason without notice. The information in this document is not a commitment, promise, or ...
Unit 10 Assignment Final Project IT521
... of schema. Embarcadero RapidSQL solves this by providing a single interface for coding and debugging SQL and programmable functions such as stored procedures (Embarcadero, 2011). Likewise, DB Optimizer will allow you to analyze and tune your SQL code while DB Change Manager allows you to compare and ...
... of schema. Embarcadero RapidSQL solves this by providing a single interface for coding and debugging SQL and programmable functions such as stored procedures (Embarcadero, 2011). Likewise, DB Optimizer will allow you to analyze and tune your SQL code while DB Change Manager allows you to compare and ...
Candidate Key
... Organization for Standardization (ISO) published an SQL standard, called SQL-86. ANSI published an extended standard for SQL, SQL-89, in 1989. The next version of the standard was SQL-92 standard, followed by SQL:1999, SQL:2003, SQL:2006, and most recently SQL:2008. ...
... Organization for Standardization (ISO) published an SQL standard, called SQL-86. ANSI published an extended standard for SQL, SQL-89, in 1989. The next version of the standard was SQL-92 standard, followed by SQL:1999, SQL:2003, SQL:2006, and most recently SQL:2008. ...