b-scanner

基本解釋

The B-Tree Scanner automatically determines which index items are to be deleted.
B-Tree Scanner 自動(dòng)判斷哪些索引項(xiàng)應(yīng)該刪除。
The B-Tree Scanner threads remove deleted index entries and rebalance the index nodes.
B-Tree Scanner 線程會(huì)去掉刪除的索引項(xiàng)竝重新平衡索引節(jié)點(diǎn)。
The B-Tree Scanner improves transaction processing for logged databases when rows are deleted from a table with indexes.
從有索引的表中刪除行時(shí)，B-Tree Scanner 有助於改進(jìn)啓用了日志的數(shù)據(jù)庫的事務(wù)処理。