Distributed Database - delab-auth
... A number of autonomous processing elements (not necessarily homogeneous) that are interconnected by a computer network and that cooperate in performing their assigned tasks. What is being distributed? ...
... A number of autonomous processing elements (not necessarily homogeneous) that are interconnected by a computer network and that cooperate in performing their assigned tasks. What is being distributed? ...
Consistent Query Answering in Databases
... We have presented first order queries only What about aggregation queries? They are natural and usual in DBs, and part of SQL They are crucial in scenarios where inconsistencies are likely to occur, e.g. data integration, in particular, datawarehousing We will see that aggregation is challenging for ...
... We have presented first order queries only What about aggregation queries? They are natural and usual in DBs, and part of SQL They are crucial in scenarios where inconsistencies are likely to occur, e.g. data integration, in particular, datawarehousing We will see that aggregation is challenging for ...
XML
... NO in-memory data structure to manipulate XML document inconvenient to handle complex operations ...
... NO in-memory data structure to manipulate XML document inconvenient to handle complex operations ...
ORACLE EXADATA MACHINE X2
... Enterprise Ready The Exadata Database Machine X2-2 has complete redundancy built in to support the demands of mission critical applications. Each Exadata Database Machine has redundant InfiniBand connectivity, redundant Power Distribution Units (PDU), and the servers all have hot-swappable power sup ...
... Enterprise Ready The Exadata Database Machine X2-2 has complete redundancy built in to support the demands of mission critical applications. Each Exadata Database Machine has redundant InfiniBand connectivity, redundant Power Distribution Units (PDU), and the servers all have hot-swappable power sup ...
transaction
... partially executed transaction are not reflected in the database Durability requirement — once the user has been notified that the transaction has completed (i.e., the transfer of the $50 has taken place), the updates to the database by the transaction must persist even if ...
... partially executed transaction are not reflected in the database Durability requirement — once the user has been notified that the transaction has completed (i.e., the transfer of the $50 has taken place), the updates to the database by the transaction must persist even if ...
Accounting Information Systems: The Crossroads of Accounting and IT
... 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. When data needs to be retrieved, instead of using the relationships ...
... 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. When data needs to be retrieved, instead of using the relationships ...
Oracle Database Backup-and-Recovery Best Practices and New
... – Place FRA on separate storage & store backups, in addition to copy of control file, redo logs, and archived logs, to protect all needed recoveryrelated files from production outages. – When estimating FRA size, if you want to keep: • Control file backups and archived logs – Estimate archived logs ...
... – Place FRA on separate storage & store backups, in addition to copy of control file, redo logs, and archived logs, to protect all needed recoveryrelated files from production outages. – When estimating FRA size, if you want to keep: • Control file backups and archived logs – Estimate archived logs ...
better with bitemporal
... and Europe have paid over $128 billion to regulators, and 2014 was the biggest year ever, with $65 billion in penalties and fines, about 40% greater than in 2013.2 Today, regulators are more intrusive and carry out more vigorous enforcement as they drill into the details. According to Gerold Grassho ...
... and Europe have paid over $128 billion to regulators, and 2014 was the biggest year ever, with $65 billion in penalties and fines, about 40% greater than in 2013.2 Today, regulators are more intrusive and carry out more vigorous enforcement as they drill into the details. According to Gerold Grassho ...
MS SQL Server 7.5 / DBA / Data Warehousing
... As technical lead for this project I was responsible for the architecture planning, infrastructure planning, database modeling and frontend design for an Oracle7.3.3.5 and Oracle8.0.4 “TERABYTE” data warehouse. The data warehouse was made up of several multidimensional databases and data marts compl ...
... As technical lead for this project I was responsible for the architecture planning, infrastructure planning, database modeling and frontend design for an Oracle7.3.3.5 and Oracle8.0.4 “TERABYTE” data warehouse. The data warehouse was made up of several multidimensional databases and data marts compl ...
Rules for Mapping SQL Relational Databases to OWL Ontologies
... A column ssn in a table Employee in Fig. 5 is not a foreign key. Therefore, this column is mapped to a data type property ssn that uses a class Employee as its domain. This property has a maximum cardinality of 1, because the column ssn may have at most one value for each row in the table Employee ( ...
... A column ssn in a table Employee in Fig. 5 is not a foreign key. Therefore, this column is mapped to a data type property ssn that uses a class Employee as its domain. This property has a maximum cardinality of 1, because the column ssn may have at most one value for each row in the table Employee ( ...
Document
... Estimation of plan cost based on: Statistical information about relations. Examples: number of tuples, number of distinct values for an attribute Statistics estimation for intermediate results to compute cost of complex expressions Cost formula for algorithms (Ch12), computed using stati ...
... Estimation of plan cost based on: Statistical information about relations. Examples: number of tuples, number of distinct values for an attribute Statistics estimation for intermediate results to compute cost of complex expressions Cost formula for algorithms (Ch12), computed using stati ...
Benchmarking Cloud Serving Systems with YCSB. ()
... capacity to a running system by deploying new instances of each component, and shifting load to them. ...
... capacity to a running system by deploying new instances of each component, and shifting load to them. ...
Benchmarking cloud serving systems with YCSB
... log updates to disk when committing a transaction, although this log force can be disabled. HBase does not sync log updates to disk, which provides low latency updates and high throughput. This is appropriate for HBase’s target use cases, which are primarily to run batch analytics over serving data, ...
... log updates to disk when committing a transaction, although this log force can be disabled. HBase does not sync log updates to disk, which provides low latency updates and high throughput. This is appropriate for HBase’s target use cases, which are primarily to run batch analytics over serving data, ...
chapter8 slides Fichier
... Business Process Modeling Notation (BPMN) _ Business process: A collection of related activities or tasks whose goal is to produce a specific service or product _ Business process modeling: Activity of representing the business processes of an organization, so that the current processes may be analy ...
... Business Process Modeling Notation (BPMN) _ Business process: A collection of related activities or tasks whose goal is to produce a specific service or product _ Business process modeling: Activity of representing the business processes of an organization, so that the current processes may be analy ...
Accounting Information Systems: The Crossroads of Accounting and
... 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. When data needs to be retrieved, instead of using the relationships ...
... 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. When data needs to be retrieved, instead of using the relationships ...
Selectivity Estimation using Probabilistic Models
... queries containing both select and join operations in real-world domains. In this paper, we propose an alternative approach for the selectivity estimation problem, based on techniques from the area of probabilistic graphical models [17, 24]. As we will show, our approach has several important advant ...
... queries containing both select and join operations in real-world domains. In this paper, we propose an alternative approach for the selectivity estimation problem, based on techniques from the area of probabilistic graphical models [17, 24]. As we will show, our approach has several important advant ...
The Terrestrial BR IFIC Workshop
... Queries written in SQL Saved queries Export the results of a query to a MS Access container in addition to SQLite container BR IFIC Database Manager: To select an existing version of the BR IFIC database or an extract of it BR IFIC Format Converter: Possibility to create a bridge MS Access® database ...
... Queries written in SQL Saved queries Export the results of a query to a MS Access container in addition to SQLite container BR IFIC Database Manager: To select an existing version of the BR IFIC database or an extract of it BR IFIC Format Converter: Possibility to create a bridge MS Access® database ...
Relational Database Systems 1
... • The model was designed to be used with natural keys – the key values are part of the data domain • each student already has a unique matriculation number, so just use it as key • imagine, you have a set of weather stations. Each reading can be uniquely identified by its time, type, and station Rel ...
... • The model was designed to be used with natural keys – the key values are part of the data domain • each student already has a unique matriculation number, so just use it as key • imagine, you have a set of weather stations. Each reading can be uniquely identified by its time, type, and station Rel ...
Data Modeling with Graph Databases - DAMA-MN
... administrators see and change only those parts of the organization and the products and services they are entitled to manage.” ...
... administrators see and change only those parts of the organization and the products and services they are entitled to manage.” ...
atisbrfLynn
... Index and retrieval of raster scanned technical manuals and engineering drawings for each ship class and airframe in the navy > NIRS/NIFF and C4 Formats Per MIL-PRF-28002 ...
... Index and retrieval of raster scanned technical manuals and engineering drawings for each ship class and airframe in the navy > NIRS/NIFF and C4 Formats Per MIL-PRF-28002 ...
Database Design Practical Guide
... have only one value be necessary not derived data don’t repeat ...
... have only one value be necessary not derived data don’t repeat ...
Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition
... specific XML DTD or XML schema. Since all the documents have the same structure, we can design a relational (or object) database to store the leaf-level data elements within the XML documents. Designing a specialized system for storing native XML data: A new type of database system based on the hier ...
... specific XML DTD or XML schema. Since all the documents have the same structure, we can design a relational (or object) database to store the leaf-level data elements within the XML documents. Designing a specialized system for storing native XML data: A new type of database system based on the hier ...