Using the new support for SQL, positioned update is faster than searched update or delete.
使用新的SQL支持,定位的更新比搜索的更新或删除更快。
Thus, to perform positioned update or delete operations, you need to disable the AUTOCOMMIT mode.
因而,要执行定点的更新或删除操作,您必须禁用autocommit模式。
The naive approach USES a cursor to scan the table and execute a positioned update statement for each row.
初级的方法是使用一个游标对表进行扫描,并为每一行执行一个定位的更新语句。
The naive approach USES a cursor to scan the table and execute a positioned update statement for each row.
初级的方法是使用一个游标对表进行扫描,并为每一行执行一个定位的更新语句。
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