A.數(shù)據(jù)庫監(jiān)控B.數(shù)據(jù)庫分析C.冗余數(shù)據(jù)刪除D.壓力測(cè)試
A.OracleB.AccessC.DB2D.SQL Server
A.打開的用戶連接數(shù)B.數(shù)據(jù)庫中表的個(gè)數(shù)C.用戶的SQL語句是否正確D.數(shù)據(jù)庫的運(yùn)行時(shí)間