predicate variable
常见例句
- A view could use the value of this global variable in a predicate to select only those rows for which the user’s department is assigned.
视图可以在谓词中使用该全局变量的值，从而只选择分配给用户所在部门的行。 - DB2_EVALUNCOMMITTED When enabled, this variable allows, where possible, table or index access scans to defer or avoid row locking until a data record is known to satisfy predicate evaluation.
DB2_EVALUNCOMMITTED 该变量被启用时，将允许表或索引访问扫描推迟或避免行锁，直到发现一个数据记录满足谓词条件。 返回 predicate variable