nonunique

nonunique

 英

  • 网络索引中不存在非唯一;唯一索引;非惟一

例句

Modifies more than one row and also updates the key of a nonunique clustered index to a nonconstant value.

修改并且唯一聚集索引更新非常量

By default, a nonclustered, nonunique index is created if the clustered or unique options are not specified.

默认情况如果指定聚集唯一选项创建聚集唯一索引

It will be nonnull and 4 bytes in size in rows that have nonunique index key values.

是非具有唯一索引大小4个字节

It will be nonnull and 4 bytes in size in rows that have nonunique key values.

具有唯一而且大小4字节

Account for the data row locator that is required if the index is nonunique

如果索引不是唯一数据定位符说明如下