🛢DBMS: Performance (Definitions)

"The speed with which SQL Server processes queries and returns results." (Karen Paulsell et al, "Sybase SQL Server: Performance and Tuning Guide", 1996)

"Accomplishment of project expectations; ability to attain goals by using resources efficiently and effectively." (Timothy J  Kloppenborg et al, "Project Leadership", 2003)

"A measure of the degree to which a system or component accomplishes designated functions within given constraints, such as accuracy, time, or resource usage." (Richard D Stutzke, "Estimating Software-Intensive Systems: Projects, Products, and Processes", 2005)

"Performance is a measure of how fast a database services applications, and ultimately end-users." (Gavin Powell, "Beginning Database Design", 2006)

"quantitative measures of the execution of some element or set of elements, such as average execution time or memory usage." (Bruce P Douglass, "Real-Time Agility", 2009)

"Key characteristic of a computer system upon which it is compared to other systems." (Max Domeika, "Software Development for Embedded Multi-core Systems", 2011)

"The quality of outputs, outcomes, benefits, and results achieved." (Paul C Dinsmore et al, "Enterprise Project Governance", 2012)

"The manner in which organizations achieve results (i.e., the way they behave and operate to effect actions), as well as the outputs and outcomes of these actions (i.e., the results they achieve)." (Sally-Anne Pitt, "Internal Audit Quality", 2014)

"1)Output/results (or measures of same) The relationship between targeted output and achieved output Output or results can, and must, be measured. 2)Work Performance. How well a person has done in producing the results (output) taking into consideration all relevant circumstances. How well has the person carried out the work of the role? Work performance cannot be measured; it must be judged by a manager based on how well the person has worked to achieve the assigned output, or result, in the situation in which the work was performed." (Catherine Burke et al, "Systems Leadership, 2nd Ed,", 2018)

 "a measure of what is achieved or delivered" (ITIL)

"The degree to which a system or component accomplishes its designated functions within given constraints regarding processing time and throughput rate. (IEEE 610)