资讯
IIRC most expensive RDBM's (Oracle, SQL server, DB/2) support nested tables in some form through UDTs.<BR><BR>I believe Oracle performs slightly worse with nested tables, but it can have some ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果当前正在显示可能无法访问的结果。
隐藏无法访问的结果