FIELD: information technology.
SUBSTANCE: invention relates to means of processing a declarative request sent from a request source to a distributed database having a plurality of transaction destination (TDL). Request is received and processed to generate the first read transaction. At least one TDL matching the condition is determined. Blocking value is obtained for this TDL-satisfying location. Performing the first transaction and processing the request to generate the last modification transaction in order to modification information associated with said at least one TDL. Prior to performing the last lock state transaction, it is checked. Last transaction is performed in case of positive result of such check.
EFFECT: providing synchronization of transactions in a distributed system by preventing simultaneous access to information and/or modification of information in a distributed database.
40 cl, 5 dwg
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