1·Updatable cursors (through JDBC).
可更新的游标(通过JDBC)。
2·But if a table contains updatable VARCHAR columns, or if the table is compressed, it is possible that the row length could grow, which could cause a row to be moved to another page.
但是，如果一个表包含可更新的varchar列，或者该表被压缩，那么有可能行的长度会增长，从而导致某一行被转移到其他页上。
3·Updatable, holdable, and scrollable cursors on remote procedures are not supported.
在远程过程上不支持可更新、可持有和可滚动的游标。
4·One set of read-only views is created under the SYSCAT schema, and a smaller set of updatable views is created under the SYSSTAT schema.
其中一组只读视图在 SYSCAT 模式下创建，另一组更小的可更新视图则是在 SYSSTAT 模式下创建的。
5·The SYSSTAT schema contains a small number of updatable views that are based on the system catalog tables.
SYSSTAT模式包含少量的基于系统编目表的可更新视图。