record level locking 中文意思是什麼
record level locking
解釋
記錄層封鎖-
Each index record contains a five - byte header that may be preceded by a variable - length header. the header is used to link together consecutive records, and also in row - level locking
每個索引記錄包含一個五位元組的頭,在它之前還有一個變長的頭。這個頭是用來連接連續的記錄,也用於行級鎖。 -
This access method is unusual in that it provides record level locking. this can provide beneficial performance improvements in applications requiring concurrent access to the queue
這種訪問方式與眾不同處在於他提供記錄級別的鎖.當程序需要並發的訪問隊列時,這一點可以提高性能
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