T - VUB STARLab
... do not cause any other harm, such as sending incorrect messages to other sites. Execution of the protocol is initiated by the coordinator after the last step of the transaction has been reached. The protocol involves all the local sites at which the transaction ...
... do not cause any other harm, such as sending incorrect messages to other sites. Execution of the protocol is initiated by the coordinator after the last step of the transaction has been reached. The protocol involves all the local sites at which the transaction ...
Query From Examples: An Iterative, Data-Driven
... ‘salary > 4000’, and p3 = ‘dept = “IT”’. To help identify the user’s target query among these three candidates, our approach will first present to the user a modified database1 D1 and two possible query results, R1 and R2 , on D1 : ...
... ‘salary > 4000’, and p3 = ‘dept = “IT”’. To help identify the user’s target query among these three candidates, our approach will first present to the user a modified database1 D1 and two possible query results, R1 and R2 , on D1 : ...
Whois queries in RIPE database v3.0
... Probably, the most important service provided by the RIPE Database is to provide information about IP networks in the Internet. This information is stored in the database in the form of inetnum and route objects, among others. Both inetnum and route objects store information about ranges of IP addre ...
... Probably, the most important service provided by the RIPE Database is to provide information about IP networks in the Internet. This information is stored in the database in the form of inetnum and route objects, among others. Both inetnum and route objects store information about ranges of IP addre ...
Active Storage For Large-Scale Data Mining and
... in storage devices is available directly for application-specific function in addition to supporting these existing storage-specific optimizations. Instead of etching database functions into silicon as envisioned 15 years ago, Active Disks are programmed in software and use general purpose microproc ...
... in storage devices is available directly for application-specific function in addition to supporting these existing storage-specific optimizations. Instead of etching database functions into silicon as envisioned 15 years ago, Active Disks are programmed in software and use general purpose microproc ...
RDF Objects
... and Jena SQL Models [15] are two of the proposals, both with usable implementations. This section describes the two systems and investigates the issues involved in database access from the point of view of the application. ...
... and Jena SQL Models [15] are two of the proposals, both with usable implementations. This section describes the two systems and investigates the issues involved in database access from the point of view of the application. ...
Computing Pareto Frontiers and Database
... preferences in our package, which is more general than Skylines but still has a clean and simple syntax. Our first ideas to process preferences in R were published in Roocks and Kießling (2013) under the name “R-Pref”. In that approach the Pareto set calculation was done entirely in R, requiring nes ...
... preferences in our package, which is more general than Skylines but still has a clean and simple syntax. Our first ideas to process preferences in R were published in Roocks and Kießling (2013) under the name “R-Pref”. In that approach the Pareto set calculation was done entirely in R, requiring nes ...
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[publication]
... the coordinate system of the human genomic DNA sequence. Thus, users can visually integrate information from all these sources. However, browsers show a single gene or region at a time. They are not designed to support complex queries across multiple types of information simultaneously or multiple g ...
... the coordinate system of the human genomic DNA sequence. Thus, users can visually integrate information from all these sources. However, browsers show a single gene or region at a time. They are not designed to support complex queries across multiple types of information simultaneously or multiple g ...
First-order Predicate Logic (FOPL) as an Ontology Language
... The answers to the queries above depend on our assumptions about the way in which Duni represents the world. The main options are: • Closed World Assumption: if something is not stated explicitly in Duni it is false. We assume complete knowledge about the domain: if some ground sentence is true, it ...
... The answers to the queries above depend on our assumptions about the way in which Duni represents the world. The main options are: • Closed World Assumption: if something is not stated explicitly in Duni it is false. We assume complete knowledge about the domain: if some ground sentence is true, it ...
Module1 - McGraw
... is often considered unsuitable for many applications because of its inflexible structure and lack of support for complex relationships. Still, many implementations have introduced functionality that works around these limitations. ...
... is often considered unsuitable for many applications because of its inflexible structure and lack of support for complex relationships. Still, many implementations have introduced functionality that works around these limitations. ...
MulTe: A Multi-Tenancy Database Benchmark
... 1. ScalabilityBenchmark: Does the system scale well with the number of tenants? How many tenants are able run in parallel? What is the individual performance? What is the overall performance? 2. FairnessBenchmark: How fair is the system, i.e., are the available resources equally available to all ten ...
... 1. ScalabilityBenchmark: Does the system scale well with the number of tenants? How many tenants are able run in parallel? What is the individual performance? What is the overall performance? 2. FairnessBenchmark: How fair is the system, i.e., are the available resources equally available to all ten ...
Chapter 4 Implementation of Relational Operators
... respectively, a query plan that joins B and C first can take several orders-of-magnitude more time to execute than one that joins A and C first. Most query optimizers determine join order via adynamic programming algorithm pioneered by IBM's System Rdatabase project[citation needed]. This algorithm ...
... respectively, a query plan that joins B and C first can take several orders-of-magnitude more time to execute than one that joins A and C first. Most query optimizers determine join order via adynamic programming algorithm pioneered by IBM's System Rdatabase project[citation needed]. This algorithm ...
High-Availability at Massive Scale: Building Google`s Data
... Singly-homed systems are relatively simple to build and are a good solution when inconsistencies or data losses are acceptable. One simple technique used to achieve high availability is to run a singly-homed system in parallel in multiple datacenters, and either allow user queries to go to any datac ...
... Singly-homed systems are relatively simple to build and are a good solution when inconsistencies or data losses are acceptable. One simple technique used to achieve high availability is to run a singly-homed system in parallel in multiple datacenters, and either allow user queries to go to any datac ...
SQL: Queries, Programming, Triggers
... The following three-tier architecture is common for database installations: Web servers connect clients to the DBS, typically over the Internet (web-server tier). Applications servers perform the “business logic” requested by the webserves, supported by the database servers (application tier). Datab ...
... The following three-tier architecture is common for database installations: Web servers connect clients to the DBS, typically over the Internet (web-server tier). Applications servers perform the “business logic” requested by the webserves, supported by the database servers (application tier). Datab ...
Introduction to Structured Query Language Version 4.66 Copyright 1996-2001, James Hoffman
... 3. Note that the Orders table is listed first in the FROM clause; this makes sure listing is done off of that table, and the AntiqueOwners table is only used for the detail information (Last Name). 4. Most importantly, the AND in the WHERE clause forces the In Subquery to be invoked ("= ANY" or "= S ...
... 3. Note that the Orders table is listed first in the FROM clause; this makes sure listing is done off of that table, and the AntiqueOwners table is only used for the detail information (Last Name). 4. Most importantly, the AND in the WHERE clause forces the In Subquery to be invoked ("= ANY" or "= S ...
Database Security
... clients will use. When a user process makes a connection request, the listener examines the request and determines whether the user process can use a shared server process. If so, the listener ...
... clients will use. When a user process makes a connection request, the listener examines the request and determines whether the user process can use a shared server process. If so, the listener ...
B - Homework Market
... • Transactions that have written their commit entry in the log must also have recorded all their write operations in the log. Why? • Suppose a transaction has been issued a commit, but its operations have not been carried out, and the system crashes. What to do? • We need to redo the ops. What infor ...
... • Transactions that have written their commit entry in the log must also have recorded all their write operations in the log. Why? • Suppose a transaction has been issued a commit, but its operations have not been carried out, and the system crashes. What to do? • We need to redo the ops. What infor ...
SQL Standardization: The Next Steps
... while executing some aspects of the statement locally. By providing such seamless (or as nearly so as possible) access to various data sources, a standard for heterogeneous federated database management can finally be provided! The specific goal of SQL/MED is to specify an open interface that permit ...
... while executing some aspects of the statement locally. By providing such seamless (or as nearly so as possible) access to various data sources, a standard for heterogeneous federated database management can finally be provided! The specific goal of SQL/MED is to specify an open interface that permit ...
WhatIsCreated-databases
... mytrips.mdb or mytrips.accdb Open Access – ex.Star Wars Starwars database to practice opening existing Create worldtravel database as blank Settings – uses any open database to make changes in settings Table: Design View – ex. Star Wars Create mytrips ...
... mytrips.mdb or mytrips.accdb Open Access – ex.Star Wars Starwars database to practice opening existing Create worldtravel database as blank Settings – uses any open database to make changes in settings Table: Design View – ex. Star Wars Create mytrips ...
Introduction to MySQL
... 6. phpMyAdmin Tool 7. Create / Edit / Delete Databases and Tables 8. Import / Export a MySQL Database ...
... 6. phpMyAdmin Tool 7. Create / Edit / Delete Databases and Tables 8. Import / Export a MySQL Database ...
MediaManager - School of Computing and Information Sciences
... In the graphical representation of an MATN model, the states Qis are represented by filled circles. The multimedia input strings Xi are put on the arcs and represented as arc labels. The multimedia input string indicates the combination of different media to be displayed during the presentation’s du ...
... In the graphical representation of an MATN model, the states Qis are represented by filled circles. The multimedia input strings Xi are put on the arcs and represented as arc labels. The multimedia input string indicates the combination of different media to be displayed during the presentation’s du ...
accessing databases with jdbc - Core Servlets and JavaServer Pages
... Java syntax. It is important to note that although the JDBC API standardizes the approach for connecting to databases, the syntax for sending queries and committing transactions, and the data structure representing the result, JDBC does not attempt to standardize the SQL syntax. So, you can use any ...
... Java syntax. It is important to note that although the JDBC API standardizes the approach for connecting to databases, the syntax for sending queries and committing transactions, and the data structure representing the result, JDBC does not attempt to standardize the SQL syntax. So, you can use any ...
The Relational Model - Department of Computer Science | UNC
... Primary and Candidate Keys in SQL (continued) ...
... Primary and Candidate Keys in SQL (continued) ...
