PROLOG/ C4250 Database theory C6160 Database management systems (DBMS)Reasoning about time typically involves drawing conclusions on the basis of incomplete information. Uncertainty arises in the form of ignora
Because of the importance of time in Information Systems, there is a wide consensus on the need for having temporal data types and temporal queries supported as part of database standards. Actually, in the mid 90s, a forward-looking group of database researchers proposed an ambitious temporal e...
xtdb / xtdb Star 2.7k Code Issues Pull requests Discussions An immutable SQL database for application development, time-travel reporting and data compliance. Developed by @juxt immutable sql database dbms temporal bitemporal Updated May 27, 2025 Clojure ...
Efficient Temporal Coalescing Query Support in Relational Database Systems The interest in, and user demand for, temporal databases have only increased with time; unfortunately, DBMS vendors and standard groups have not moved aggr... Z Xin,F Wang,C Zaniolo - 《Lecture Notes in Computer Science》...
We also describe how the temporal mediator can provide a user interface to the multidatabase system allowing temporal queries in terms of arbitrary granularities and involving relations in different TDBMS.Page %P Close Plain text Look Inside Citations Other actions Reprints and Permissions ...
void readExternal(ObjectInput in) void rebuildIndex() Re-build the temporal index and cache, according to the ITxFeatureClass properties. void removeFeature(IFeature feature) Deletes a feature from the database, does not trigger OnDelete event. void removeFeatures(ISet features) Deletes a...
Although many important insights and results have resulted from the research in temporal database management, many challenges remain. Some of these are considered here. The lack of consideration of some of these challenges has reduced the potential of earlier results, including those described in this...
temporal-over-ydb is an implementation of a custom Temporal persistence layer using YDB, a distributed SQL DBMS.It is still a work in active progress and is not ready for production use.How to run testsClone and patch Temporal source code:git...
层通过对底层DBMS(DatabaseManagementSystem)进 行时空扩展,实现对时空数据的存储、管理及 操纵,其核心技术有时空数据模型、空间数据类型和 图1时空数据管理模型 Fig.1Spatio-temporaldatamanagementmodel 第22卷第5期 2006年9月 地理与地理信息科学 GeographyandGeo- nformationScience VoI.22No.5 !!! September2006 ...
The user interface of STVQL [6] presents the database in the form of maps and list of attributes. The user selects the element of the query by clicking on the desired attributes. Based on the selected attributes all valid operators are displayed in the interface. The underlying DBMS is ...