Querying using XQuery on a XML column of an indexed table.
使用XQuery查询索引表的xml列。
This means that an exclusive lock is always placed on the indexed table while a functional index is being created or dropped.
这说明,在创建或删除函数索引时,执行索引的表中始终持有一个排他锁。
When you store data in an indexed table, certain columns of data are copied into the index alongside the rowid of the data row in the table.
当你在一个索引表中存储数据时,数据的某些列同表中数据行的ROWID被拷贝进索引。
应用推荐