[PDF] Top 20 Logical Querying of Relational Databases

... There are advantages. Evaluating expressions and functional programming has already given us the support for a declarative way of parsing collections of objects. Since relational databases cease way to ... See full document

... Abstract— Information ambiguity and uncertainty are the major issues in real real-world scenario and for resolving these issues fuzzy data management has been incorporated in different database management systems in ... See full document

... High volume datasets are being routinely generated in systems biomedicine. An on- going concern for the interpretation of these data is that biological information has a challenging mix of complexity and rich semantics. ... See full document

... This paper investigates two approaches to improving query times on large relational databases. The first technique cap- italizes on the knowledge of a database’s structures and properties one typically has. ... See full document

... optimized logical plan for the query. The physical planner transforms the logical plan into the physical plan, selecting suitable implementations where ... See full document

... even relational databases. In Relational keyword search(R- KWS), the basic unit of information is a ...in Relational keyword search cannot simply be found by inspecting units of information ... See full document

... the relational model was not used in practice initially, because of its perceived performance disadvantages; rela- tional databases could not match the performance of existing network and hi- erarchical ... See full document

... Recent years have shown a surge in interest in temporal database systems, which allow users to store time-dependent information. We present a novel controlled natural language interface to temporal databases, ... See full document

... and relational databases in ...fuzzy databases is the GEFRED model [9]. It was modeled on relational databases based on probability and fuzzy logic and also constitutes a foundation for ... See full document

... Protein structure prediction is the process which requires scientists to perform a variety of searching motif sequence and secondary structure procedures in order to answers their analytical result. To perform these ... See full document

... database that needs to know about structured query languages and database schema. Mostly users are not know to those things, so searching knowledge from relational databases is difficult to them. Where a ... See full document

... for relational databases often rely on manual pre-processing to select the attributes a typical user can most readily supply and identify the tables with the most relevance to basic user ... See full document

... oriented databases are considered better than relational databases ,due to increasing demand of new approaches to deal with complex data, complex relationship exiting among such data and large data ... See full document

... Our main goal is to define a template to generate SQL code combining aggregation and transposition (pivoting). A second goal is to extend the SELECT statement with a clause that combines transposition with aggregation. A ... See full document

... Numerously recent applications that rely on storing and processing large amount of information, wants high availability and scalability which added more difficulties to relational database. Therefore an increasing ... See full document

... the relational databases are being utilized as a part of numerous associations of different natures, for example, Instruction, Wellbeing, Business and in numerous different ...Conventional databases ... See full document

... Overall, the results suggest that end-user satisfaction is greatest when querying databases in INF, as this is the level with the least complex queries, i.e., atomic data, no repeating f[r] ... See full document

... A BSTRACT : In this paper, we outline the bridges that connect the area of GIS knowledge representation and its querying languages. Our work is in fact grounded in a research framework which we had founded to hang ... See full document

... STORING AND INDEXING UNDER RELATIONAL PERSPECTIVE The RDF data in relational databases are stored as triples of a RDF graph on a single table over a relational schema Subject, Predicate,[r] ... See full document

... traditional relational and non-relational databases to improve the performance of the database and to increase the throughput as well as to decrease the computation ...both relational and ... See full document