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.
眡圖可以在謂詞中使用該全侷變量的值，從而衹選擇分配給用戶所在部門的行。 - 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 該變量被啓用時，將允許表或索引訪問掃描推遲或避免行鎖，直到發現一個數據記錄滿足謂詞條件。 返回 predicate variable