server只讀和讀寫(xiě)的區(qū)別?
只讀權(quán)限是只能能查詢數(shù)據(jù)庫(kù),無(wú)法往數(shù)據(jù)庫(kù)中插入更新新的數(shù)據(jù);讀寫(xiě)權(quán)限是不僅可以查詢數(shù)據(jù)庫(kù)中數(shù)據(jù)還可以插入更新數(shù)據(jù)庫(kù)中數(shù)據(jù)
server只讀和讀寫(xiě)的區(qū)別?
只讀權(quán)限是只能能查詢數(shù)據(jù)庫(kù),無(wú)法往數(shù)據(jù)庫(kù)中插入更新新的數(shù)據(jù);讀寫(xiě)權(quán)限是不僅可以查詢數(shù)據(jù)庫(kù)中數(shù)據(jù)還可以插入更新數(shù)據(jù)庫(kù)中數(shù)據(jù)