Based on SQL Sentence Inquiry Optimization Analysis Study
MA Xin-ron · Journal of Hebei Polytechnic College · 2007
Computer application system's real purpose is not can realize function simply,but can write the height mass SQL sentence,improve systematic applicability.The essence of the SQL sentence inquiry is on the premise of result rightness,according to defined index optimize an implement can improve seeking efficiency,and avoid the occurrence of the whole scans.This essay is mainly expounded from SQL sentence optimization's cause and process.