predicate variable

常見例句

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.
視圖可以在謂詞中使用該全局變量的值，從而只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 該變量被啟用時(shí)，將允許表或索引訪問掃描推遲或避免行鎖，直到發(fā)現(xiàn)一個(gè)數(shù)據(jù)記錄滿足謂詞條件。