The only restriction when running an online backup in DB2 is that you cannot drop a table space while that table space is actively being backed up. 在DB2中运行在线备份的惟一约束是:当一个表空间正在被备份的时候,不能删除这个表空间。
The merge statement supports distributed queries with the restriction that the target table cannot be a remote table. merge语句支持分布式查询,但仅限于目标表不是远程表。
The restriction table requires less storage capacity than CC-tables. 对约束表应用分枝限界法得到最小闭覆盖。这种约束表比CC表节省存储量。
Compilation of the Train Speed Restriction Table in the Technological Code 《技规》列车限速表的编制问题