CQE-9027: Excessive Data Query Operations in a Large Data Table

 
Excessive Data Query Operations in a Large Data Table
Quality Issue ID: 9027 Maturity: Preliminary
+ Description

Description Summary

The software performs a data query with a large number of joins and sub-queries on a large data table.

Extended Description

This pattern identifies situations where the data table is considered very large, based on its number of rows which exceeds the threshold value, and where it is accessed by the data actions which is considered to be too complex, based on its number of joins between tables which exceeds the threshold value, and its number of sub-queries which exceeds the threshold value. The default value for number of rows is 1000000. The default value for number of joins is 5. The default value for number of sub-queries is 3.

+ Relationships
NatureTypeIDNameView(s) this relationship pertains to
View
ChildOf
Pr
Practice
9105Data Access Constructs
Quality Issues Organized by Practices (primary)9002
ChildOf
Ch
Characteristic
9169Performance
Default Graph (primary)9001
CanPrecede
Co
Consequence
9039Excessive Resource Expenditure
Default Graph (primary)9001

Related Taxonomy Entries

TaxonomyVersionRelated ID
ASCPEM1ASCPEM-PRF-4
+ References
"Automated Source Code Performance Efficiency Measure (ASCPEM)". ASCPEM-PRF-4. v1.0. Object Management Group (OMG). 2016-01-01. <http://www.omg.org/spec/ASCPEM/1.0>.
Page Last Updated or Reviewed: October 01, 2017