- In IMS/VS, an option that ensures that a data base log record for a data change is written to the system log before the changed data is written to the data base.; 虛存信息管理系統(tǒng)(IMS/VS)中的一種任選功能,確保修改的數(shù)據(jù)寫入數(shù)據(jù)庫之前把有關(guān)該數(shù)據(jù) 修改的數(shù)據(jù)庫運(yùn)行記錄寫進(jìn)系統(tǒng)的運(yùn)行記錄中去。
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