Relational databases are holding the maximum amount of data underpinning the web. They show excellent record of convenience and efficiency in repository, optimized query execution, scalability, security and accuracy. Recently graph databases are seen as an good replacement for relational database. When compared to the relational data model, graph data model is more vivid, strong and data expressed in it models relationships among data properly. An important requirement is to increase the vast quantities of data stored in RDB into web. In this situation, migration from relational to graph format is very advantageous. Both databases have advantages and limitations depending on the form of queries. Thus, this paper converts relational to graph database by utilizing the schema in order to develop a dual database system through migration, which merges the capability of both relational db and graph db. The experimental results are provided to demonstrate the practicability of the method and query response time over the target database. The proposed concept is proved by implementing it on MySQL and Neo4j
High speed processing is the need of industries and so industry after industry shifts to the Digitiz Digital Economy gives a new look to the industries by massive changes. The aim of this paper is to give a overview on CAP in GDB and ACID properties in RDBMS and then why both developers and enterprises typically aim at providing simple, yet very efficient, solutions for specific problems to speed, data flexibility and unprecedented levels of scale. Next focus will towards what are problems while migration from SQL to NoSQL.
The present information with surface has received more attention in recent. This technology arise like as never before, As we seen in movies as the island, quantum of solace and avatar are best at the thought of managing information with our fingers and treating to know keyboard, the mouse computation. Multi-touch surface having phones, tablets, info kiosks, GPS devices, monitors, e-book readers around the consumer world. Where it senses touch more than one position and provides unique possibilities which are affordable aspects of sustainability. Due to recent innovations touch technology has become affordable. Unlike interaction on a desktop computer touch allows users to interact with the same device. To demonstrate the vast possibilities of touch technologies an 'Interactive Dining Table' can be constructed which can be utilised in a hotel. The other dimension to propose this new system is to reduce need of excess manpower and to eliminate excess time spend on giving manual order through waiter. The touch table constructed is a camera and Projector based multi-touch device. The order can be placed by simply touching the available food menus. This automated menu card system gains many advantages over traditional menu ordering system.
Paper Relational database model (also called SQL databases) are one of the prevalent databases that are used with structured data. Currently news demands are arising owing to the magnitude with which the internet and social networks are getting used which brought importance to graph-structured data. Graph database (a nosql database) deal more naturally with highly connected data and are thus becoming popular and efficient choice. Due to limitations faced by relational databases in handling relationships (highly connected data), enterprise information systems find graph database as a promising alternative. According to the form of queries and property of data both relational and graph databases have vitality and flaws. Since most of the data is available in relational schema in this context, the conversion of an application from a relational to a graph format is very beneficial. Thus, this paper develops a dual database system through migration, which unifies the strengths of both relational databases and graph databases. Experimental results have shown that, this hybrid system has efficient performance.
Blockchain technology and distributed ledger has attracted massive attention and has triggered multiple projects in different industries. Blockchain is one of the most important technical invention in the recent years. It serves as an immutable ledger which allows transactions to take place in a decentralized manner. Blockchain based applications are springing up and are covering numerous fields including financial services, reputation system and Internet of Things (IoT), and so on. However, there are still many challenges of blockchain technology such as scalability and security problems waiting to be overcome. This paper presents a comprehensive overview on blockchain technology.
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