位置: Sqlserver聚集索引和非聚集索引的区别 - 标签
sqlserver 聚集索引和非聚集索引实例(Sqlserver聚集索引和非聚集索引的区别)
简述:createdatabasemyIndexDemogousemyIndexDemogocreatetableABC(Aintnotnull,Bchar(),Cvarchar())goinsertintoABCselect1,'B','C'unionselect5,'B','C'unionselect7,'B','C'unionselect9,'B','C'goselect*fromABC--在A