Linked Data, Linked Open Data
... – Its primary function is to simplify integration of heterogeneous data – e.g., semi-structured data such as XML documents and text files – They will be accessible via the same interface as structured data organized into tables or key/value pairs – Secondary function of a data space is to simplify d ...
... – Its primary function is to simplify integration of heterogeneous data – e.g., semi-structured data such as XML documents and text files – They will be accessible via the same interface as structured data organized into tables or key/value pairs – Secondary function of a data space is to simplify d ...
Intro to MongoDB
... oriented database designed with both scalability and developer agility in mind. Instead of storing your data in tables and rows as you would with a relational database, in MongoDB you store JSON-like documents with dynamic schemas(schema-free, schemaless). ...
... oriented database designed with both scalability and developer agility in mind. Instead of storing your data in tables and rows as you would with a relational database, in MongoDB you store JSON-like documents with dynamic schemas(schema-free, schemaless). ...
A framework for OWL DL based Ontology Construction from
... Ontologies are the web documents generated by Web Ontology Language to provide more precise web content, thus by improving the performance of information retrieval. Semantic web requires data either in terms of manual creation or through conversion from existing data. Ontologies lack semantically ri ...
... Ontologies are the web documents generated by Web Ontology Language to provide more precise web content, thus by improving the performance of information retrieval. Semantic web requires data either in terms of manual creation or through conversion from existing data. Ontologies lack semantically ri ...
Integrating Historical and Real-Time Monitoring Data into an Internet
... ProEssentials is passed back to the Time Series Viewer and displayed in browser ...
... ProEssentials is passed back to the Time Series Viewer and displayed in browser ...
VisTool: a Visual Tool for Querying Relational Databases
... the system with primary concept Product, Order denotes the orders made for a product; thus, the user must disable the association belongs to from Product to Order and enable the association signs from Vendor to Order. This action changes the interpretation given to queries by forcing the formulation ...
... the system with primary concept Product, Order denotes the orders made for a product; thus, the user must disable the association belongs to from Product to Order and enable the association signs from Vendor to Order. This action changes the interpretation given to queries by forcing the formulation ...
Le forme di mercato
... Shortly, the concept of a database can be defined as being one or more collections of interdependent organized data, together with the description of the data and the relation between them. Relational databases refer to a collection of data, structured as tables called relations. The term “relationa ...
... Shortly, the concept of a database can be defined as being one or more collections of interdependent organized data, together with the description of the data and the relation between them. Relational databases refer to a collection of data, structured as tables called relations. The term “relationa ...
Having PHP get data from a MySQL database
... training session from an XML file. Now we would like to get the information out of the MySQL database. • PHP must connect to the database, perform a SQL select statement of the appropriate table or tables and then parse the query result and display the information. ...
... training session from an XML file. Now we would like to get the information out of the MySQL database. • PHP must connect to the database, perform a SQL select statement of the appropriate table or tables and then parse the query result and display the information. ...
Relational Database
... Predicate is optional, and may include usual operators and connectives Can put results in order by one or more columns Can group together records with the same value for column(s) Can also use predefined functions ...
... Predicate is optional, and may include usual operators and connectives Can put results in order by one or more columns Can group together records with the same value for column(s) Can also use predefined functions ...
Chapter # 7 (Introduction to Structured Query Language
... NOT NULL specification UNIQUE specification Primary key attributes contain both a NOT NULL and a UNIQUE specification RDBMS will automatically enforce referential integrity for foreign keys Command sequence ends with semicolon ...
... NOT NULL specification UNIQUE specification Primary key attributes contain both a NOT NULL and a UNIQUE specification RDBMS will automatically enforce referential integrity for foreign keys Command sequence ends with semicolon ...
reldb02
... typically be used as links, ie. key values will appear in other relations to represent their associated tuples (as in Figure 2-6 above). Thus keys should be as small as possible and comprise only nonredundant attributes to avoid unnecessary duplication of data across relations. Second, keys form the ...
... typically be used as links, ie. key values will appear in other relations to represent their associated tuples (as in Figure 2-6 above). Thus keys should be as small as possible and comprise only nonredundant attributes to avoid unnecessary duplication of data across relations. Second, keys form the ...
Introduction to Oracle (Rubi Boim)
... Type 2 - native API for data access which provide Java wrapper classes Type 3 - 100% Java, makes use of a middle-tier between the calling program and the database.. Type 4 - They are also written in 100% Java and are the most efficient among all driver types. Calls directly into the vendor-spe ...
... Type 2 - native API for data access which provide Java wrapper classes Type 3 - 100% Java, makes use of a middle-tier between the calling program and the database.. Type 4 - They are also written in 100% Java and are the most efficient among all driver types. Calls directly into the vendor-spe ...
JDBC - Database Drivers
... • Translate JDBC into ODBC and use Windows ODBC built in drivers • ODBC must be set up on every client – driver must be physically on each machine for both java applications and applets – for server side servlets ODBC must be set up ...
... • Translate JDBC into ODBC and use Windows ODBC built in drivers • ODBC must be set up on every client – driver must be physically on each machine for both java applications and applets – for server side servlets ODBC must be set up ...
Chapter 1: Introduction
... what the common features of database systems are, what a database system does for the user, and how a database system interfaces with operating systems. We also introduce an example database application: a banking ...
... what the common features of database systems are, what a database system does for the user, and how a database system interfaces with operating systems. We also introduce an example database application: a banking ...
Reincarnating Traditional Relational Database through NoSQL
... As we already studied about facts and dimensions we can conclude that facts are Big and Dimensions are small and we can say that facts would take more memory space than dimensions hence when we are designing any database application say in RDBMS then we have different fact and dimension table that w ...
... As we already studied about facts and dimensions we can conclude that facts are Big and Dimensions are small and we can say that facts would take more memory space than dimensions hence when we are designing any database application say in RDBMS then we have different fact and dimension table that w ...
Enterprise Data Classification Using Semantic Web Technologies
... This reference implementation demonstrates the automatic discovery and classification of Personally Identifiable Information (PII) stored in relational databases. The classification process starts with creating a model described using the Resource Description Framework (RDF), containing the entities ...
... This reference implementation demonstrates the automatic discovery and classification of Personally Identifiable Information (PII) stored in relational databases. The classification process starts with creating a model described using the Resource Description Framework (RDF), containing the entities ...
GeoTools
... KML (Keyhole Markup Language) which is the XML format used to visualize data in Google Earth/Maps and potentially other globes/maps with KML support such as NASA WorldWind and ESRI ArcExplorer. OGC Standard. Can be imported by other GIS platforms, such as OpenLayers. Latest observation data organize ...
... KML (Keyhole Markup Language) which is the XML format used to visualize data in Google Earth/Maps and potentially other globes/maps with KML support such as NASA WorldWind and ESRI ArcExplorer. OGC Standard. Can be imported by other GIS platforms, such as OpenLayers. Latest observation data organize ...
Document
... Gartner, Inc. forecasts that 6.4 billion connected things will be in use worldwide in 2016, up 30 percent from 2015, and will reach 20.8 billion by 2020. In 2016, 5.5 ...
... Gartner, Inc. forecasts that 6.4 billion connected things will be in use worldwide in 2016, up 30 percent from 2015, and will reach 20.8 billion by 2020. In 2016, 5.5 ...
Introduction to Database Systems
... Interleaving actions of different user programs can lead to inconsistency: e.g., check is cleared while account balance is being computed. DBMS ensures such problems don’t arise: users can pretend they are using a single-user system. ...
... Interleaving actions of different user programs can lead to inconsistency: e.g., check is cleared while account balance is being computed. DBMS ensures such problems don’t arise: users can pretend they are using a single-user system. ...
Installing Oracle Software and Creating a Database
... statements that are executed most often, that use more system resources than other SQL statements, or that use system resources more frequently than other SQL statements. 3)- Long operations: The Long Operations page displays the status of various operations that run for longer than six seconds (in ...
... statements that are executed most often, that use more system resources than other SQL statements, or that use system resources more frequently than other SQL statements. 3)- Long operations: The Long Operations page displays the status of various operations that run for longer than six seconds (in ...
Database model
A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.