aggregate query processing definition
Aggregate-Query Processing in Data Warehousing Environments
Aggregate-Query Processing in Data Warehousing ... no aggregate function definition uses the distinct keyword (e.g., SUM(DISTINCT sale-auk)), and the
Aggregate-Query Processing in Data Warehousing Environments
Rewrite rules for moving GPs up a query tree allow us to transform the query and view definition into a ... Aggregate-Query Processing in Data Warehousing …
Approximately Processing Multi-granularity Aggregate Queries …
Approximately Processing Multi-granularity Aggregate Queries over ... a new definition of privacy ... High-performance data-intensive query processing ...
CiteSeerX — The generalized pre-grouping transformation ...
An additional result of our study is the definition of the Surrogate-Join ... of OLAP aggregate queries is the ... Aggregate query processing in data ...
The Generalized Pre-Grouping Transformation: Aggregate- Query ...
The star-join query may define a number of local constraints on the values of various attributes. ... Aggregate-Query Processing in Data Warehousing Environments.
What is data aggregation? - Definition from WhatIs.com
Definition. data aggregation. E-Mail. ... advertise certain CDs based on the age of the user and the data aggregate for their age group. Online analytic processing ...
APPROXIMATE QUERY PROCESSING IN DATABASES - CSE …
Congressional Samples We define a strategy S1 as following : ... Query processing steps. 1. Aggregate outliers — apply the query to the outliers in RO accessed via …
Aggregate function - Wikipedia, the free encyclopedia
In computer science, an aggregate function is a function where the values of multiple rows are grouped together as input on certain criteria to form a single value of ...
You Can Stop Early with COLA: Online Processing of Aggregate ...
sensor data, scientific data, etc. Distilling the meaning from these ... line processing of aggregate queries in the cloud. Major contribu-
Clustering spatial networks for aggregate query processing: A ...
Clustering spatial networks for aggregate query processing: A hypergraph approach. Authors: Demir, E.; Aykanat, C.; Cambazoglu, B.B. Source:
SQL Server Terminology « Suneetha's Blog
Jul 26, 2011 · OLAP Database – OnLine Analytical Processing database stores ... DDL - Data Definition Language are used to define ... Aggregate Query – This is used to ...
Aggregate Join Index Utilization In Query Processing
FIG. 2 is a flowchart illustrating a method of using an aggregate join index for a query ... definition , compilation ... index utilization in query processing ...
Processing time-constrained aggregate queries in CASE-DB
Processing time-constrained aggregate queries in CASE-DB. Full Text: Pdf Buy this ... We define here a formal notion of finite representation of infinite query answers in ...
Optimizing query rewrites - IBM - United States
Aggregate dimension tables are known as ... Precomputed view definition. The query expression in the ... especially STAR join and TARGET join query processing.
Optimizing Online Analytical Processing Performance – Teradata ...
Leveraging the Teradata aggregate join index feature optimizes online analytical processing performance. Online analytical processing ... The only types of queries ...
rsProcessingError - Microsoft Corporation: Software, Smartphones ...
Errors have occurred in report processing. ... You can use SQL functions in query text on a relational database. ... and an aggregate function.
Using the Teradata Database as a Source for a Microsoft SQL …
Jul 22, 2003 · Launch Analysis Manager and browse the definition of the ... imagine that the aggregate query is answered ... fact and aggregate processing is the ...
QUERY PROCESSING - College of Computing
QUERY PROCESSING . Consider the situation where we can define materialized views over our relational ... An SQL query that contains aggregate function(s) ...
A paper on Join Synopses for Approximate Query Answering
For complex aggregate queries based on ... Foreign Key Join Definition Key result we prove is that ... Traditional Query processing The Problem with ...
Glossary (Report Builder 2.0)
aggregate. A summary value ... a query definition and optional parameter values, ... but report parameters can be created independent of a query. report processing …
Aggregate join index for relational databases - US Patent 6505189 ...
... by specifying aggregate expressions in the definition of the aggregate join index. ... Query processing (i.e., searching) Query formulation, ...
Merge and Aggregate a Selective SelectMany Query
Nov 14, 2011 · Merge and Aggregate a Selective SelectMany Query. ... a .NET and JavaScript library for event processing and asynchronous ... Your new query above ...
Implementing aggregates for a dimensional data warehouse
There are a number of factors which will help to define ... If the aggregate processing has already ... if the queries to create the aggregate can take ...
OLAP Definitions - Alta Plana
On-Line Analytical Processing ... offers consistently rapid response to queries, ... on the intersection of the dimension members which define that ...
Accuracy Vs. Lifetime: Linear Sketches for Approximate Aggregate ...
Definition 2. (Standard Inner Product, Norm) For any two complex vectors x;y 2 Cn, the standard inner ... Aggregate query processing in sensor networks has re-
AGGREGATE JOIN INDEX UTILIZATION IN QUERY PROCESSING …
Various other processing systems may also be implemented by computer system 100 or other ... definition , compilation ... For a query that asks the aggregate at the ...
Answering Aggregate Keyword Queries on Relational Databases …
Definition 2 (Aggregate keyword query). Given a table T, an aggregate keyword query is a ... promising databases efiectively during the query processing.
Partial Aggregation - Craig Freedman's SQL Server Blog - Site …
Jan 18, 2008 · A discussion of query processing, query execution, and query plans in SQL Server. ... --Stream Aggregate(DEFINE:([partialagg1005]=Count(*)))
SQL Server TSQL Quiz 2011 - Nested aggregate function?
How is it that the following query works although aggregate ... and aggregate functions to define ... are processed at different phases of logical query processing.
Defining and Managing Report Data - MSDN – Explore Windows, …
After you define a report data source, ... Each dataset defines a specific query to retrieve a collection of fields from a data ... see Managing Report Processing.
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