摘要
讨论在数据库中,索引是提高速度的一个关键因素,如果作为搜索条件的列上已经创建了索引,MySQL无需扫描任何记录即可迅速得到目标记录所在的位置.
Thc discussion in the database,the index is enhances the speed one essential factor.If takes the search condition in the row already founded the index, MySQL needs not to scan any recording mays then rapidly to obtain the position which the goal recording was at.
出处
《黔东南民族师范高等专科学校学报》
2006年第3期54-55,共2页
Journal of Southeast Guizhou National Teachers College
