scholarly journals A Concurrency Control Method Based on Commitment Ordering in Mobile Databases

2011 ◽  
Vol 3 (4) ◽  
pp. 39-53 ◽  
Author(s):  
Ali Karami ◽  
Ahmad Baraani Dastjerdi
Keyword(s):  
Concurrency Control ◽  
Control Method ◽  
Mobile Databases

A Distributed Index Tree and its Concurrency Control Algorithm

2014 ◽  
Vol 1044-1045 ◽  
pp. 982-985
Author(s):  
Wei Jie Gu ◽  
Yun Liang Wang
Keyword(s):  
Theoretical Analysis ◽  
Concurrency Control ◽  
Control Algorithm ◽  
Control Method ◽  
Experimental Results ◽  
Massive Data ◽  
Time Control ◽  
Distributed Index ◽  
Tree Index ◽  
Index Tree

This paper presents a new distributed index tree named RDB+-Tree and a concurrency control algorithm named VTC-RDB+. In RDB+-Tree, the leaf node is organized for a hash list. The principle of VTC-RDB+ algorithm can be established by utilizing multiple elements which are in favor of concurrency control and by combining with version and time control method. Theoretical analysis and experimental results show that the RDB+-Tree index tree and VTC-RDB+ algorithm can effectively enhance the query and updating performance of the massive data in the distributed circumstance.

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