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Design and Implementation of an Extensible Database Management
... short. AIM-P is an experimental DBMS developed at the IBM Heidelberg Scientific Center since 1983 for application oriented research purposes in advanced application areas (cf. e.g. /DaK686, KDG87, Lu84, Lu85, Pi87/). AIM-P has been extended according to R*D*‘s needs. The link between AIM-P’s databas ...
... short. AIM-P is an experimental DBMS developed at the IBM Heidelberg Scientific Center since 1983 for application oriented research purposes in advanced application areas (cf. e.g. /DaK686, KDG87, Lu84, Lu85, Pi87/). AIM-P has been extended according to R*D*‘s needs. The link between AIM-P’s databas ...
Chapter 12
... • How database implementation is affected by different levels of data and process distribution • How transactions are managed in a distributed database environment ...
... • How database implementation is affected by different levels of data and process distribution • How transactions are managed in a distributed database environment ...
Using DB2 BLU to enable IBM Cúram Business Intelligence and Analytics
... that are written with BIRT or reports that are written in other technologies like Cognos. If you created MQT for performance reasons then you should consider changing your analytics to point directly at columnar tables, as DB2 BLU provides performance that is good when compared to MQT. DB2 advises t ...
... that are written with BIRT or reports that are written in other technologies like Cognos. If you created MQT for performance reasons then you should consider changing your analytics to point directly at columnar tables, as DB2 BLU provides performance that is good when compared to MQT. DB2 advises t ...
Improving response time of database systems by
... repository and the RDF triples were verified with original database content. Finally, the traditional database system and semantic data repository were compared according to their response time to different types of equivalent SQL and SPARQL queries between them. 2. Semantic web components 2.1. Ontol ...
... repository and the RDF triples were verified with original database content. Finally, the traditional database system and semantic data repository were compared according to their response time to different types of equivalent SQL and SPARQL queries between them. 2. Semantic web components 2.1. Ontol ...
databases
... Stores long text entriesup to 64,000 characters long (the equivalent of 18 pages of text!). Use memo fields to store notes or anything else that requires a lot of space. ...
... Stores long text entriesup to 64,000 characters long (the equivalent of 18 pages of text!). Use memo fields to store notes or anything else that requires a lot of space. ...
PowerPoint Chapter 12
... • How database implementation is affected by different levels of data and process distribution • How transactions are managed in a distributed database environment ...
... • How database implementation is affected by different levels of data and process distribution • How transactions are managed in a distributed database environment ...
Best Approaches To Database Auditing
... A database always writes to the log even when the database is in circular (non-archived) mode A database writes undo and redo records to the log for: – Roll forward recovery – Transaction atomicity (roll back to a known state) An on-line transaction log is backed up to archived files The archived lo ...
... A database always writes to the log even when the database is in circular (non-archived) mode A database writes undo and redo records to the log for: – Roll forward recovery – Transaction atomicity (roll back to a known state) An on-line transaction log is backed up to archived files The archived lo ...
Active Data Guard vs. Storage Remote Mirroring
... online log files for one of the primary RAC database instances causing the database to crash and resulting in data loss. Array mirroring faithfully replicated the error by deleting the same files on the remote volumes at the business continuity site, making it impossible to quickly resume processing ...
... online log files for one of the primary RAC database instances causing the database to crash and resulting in data loss. Array mirroring faithfully replicated the error by deleting the same files on the remote volumes at the business continuity site, making it impossible to quickly resume processing ...
Kroenke-DBP-e10-PPT-Chapter09
... • DBA’s tasks: – Participate in database and application development • Assist in requirements stage and data model creation • Play an active role in database design and creation ...
... • DBA’s tasks: – Participate in database and application development • Assist in requirements stage and data model creation • Play an active role in database design and creation ...
Week 13 - Pravin Shetty > Resume
... Some Thoughts about Keys A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Veh ...
... Some Thoughts about Keys A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Veh ...
FACILITATING INTERDISCIPLINARY SCIENCES BY THE INTEGRATION OF A
... researchers were asked the same general questions. This allowed us to elaborate a protocol to conduct the steps from field sampling to record information. The data collected during a field mission consist of two parts: a general one, which holds the information that is normally collected in all stud ...
... researchers were asked the same general questions. This allowed us to elaborate a protocol to conduct the steps from field sampling to record information. The data collected during a field mission consist of two parts: a general one, which holds the information that is normally collected in all stud ...
Invisible Loading: Access-Driven Data Transfer
... Hadoop job are its map and reduce functions. A map function processes one key-value pair at a time to produce zero or more keyvalue pairs. On each Hadoop node, a Map task executes the map function over an individual split of the data set. If a reduce function is specified, the key-value pairs produc ...
... Hadoop job are its map and reduce functions. A map function processes one key-value pair at a time to produce zero or more keyvalue pairs. On each Hadoop node, a Map task executes the map function over an individual split of the data set. If a reduce function is specified, the key-value pairs produc ...
Analyzing Performance of Hierarchical Queries in XED
... the storage and manipulation of XML data as a document. Most XEDs were developed from relational databases. In terms of XML solution, there is a fundamental difference between the relational database and the XED. In pure relational database, the XML data will be stored in a table column as a large o ...
... the storage and manipulation of XML data as a document. Most XEDs were developed from relational databases. In terms of XML solution, there is a fundamental difference between the relational database and the XED. In pure relational database, the XML data will be stored in a table column as a large o ...
6231B_10
... Lab Scenario You have created the SQL Server logins and Database users. You now need to assign the logins and users to the required roles based upon the security requirements for the MarketDev database. You should assign the minimum level of access that will allow each user to perform their job. Th ...
... Lab Scenario You have created the SQL Server logins and Database users. You now need to assign the logins and users to the required roles based upon the security requirements for the MarketDev database. You should assign the minimum level of access that will allow each user to perform their job. Th ...
Persistence in OODBs
... Explicit persistent objects therefore dictate what is made persistent however an object that is being promoted to persistent in turn may have its own references that must go through the same process, hence a cascading effect of promotion. Large objects with lots of references will produce a signific ...
... Explicit persistent objects therefore dictate what is made persistent however an object that is being promoted to persistent in turn may have its own references that must go through the same process, hence a cascading effect of promotion. Large objects with lots of references will produce a signific ...
MMDB Final Report. - VTechWorks
... similar topic. The professor can then view the student’s resume and past projects to see if the student will be a good fit for the professor’s team. Similarly, if a student is interested in a research opportunity, he can search through the database for a professor who is working on a certain topic a ...
... similar topic. The professor can then view the student’s resume and past projects to see if the student will be a good fit for the professor’s team. Similarly, if a student is interested in a research opportunity, he can search through the database for a professor who is working on a certain topic a ...
Designing Secure Indexes for Encrypted Databases
... of standard indexes is not trivial and depends on the encryption function used. Most encryption functions preserve equality, thus, ”Hash” indexes can be used, however information such as the frequencies of indexed values is revealed. Most encryption functions do not preserve order, so ”B-Tree” index ...
... of standard indexes is not trivial and depends on the encryption function used. Most encryption functions preserve equality, thus, ”Hash” indexes can be used, however information such as the frequencies of indexed values is revealed. Most encryption functions do not preserve order, so ”B-Tree” index ...
Lecture 3: MySQL
... For example, a wine can be produced only by one winery, an order for wine can't exist if it isn't associated with a customer, having a name attribute could be mandatory for a customer. ...
... For example, a wine can be produced only by one winery, an order for wine can't exist if it isn't associated with a customer, having a name attribute could be mandatory for a customer. ...
Systems for Knowledge Discovery in Databases
... methods and representations, which are common in most systems. Incomplete data: Data can be incomplete either through the absence of values in individual record elds, or through the complete absence of data elds necessary for certain discoveries. The missing-values problem is a familiar issue in m ...
... methods and representations, which are common in most systems. Incomplete data: Data can be incomplete either through the absence of values in individual record elds, or through the complete absence of data elds necessary for certain discoveries. The missing-values problem is a familiar issue in m ...
Chapter 3 Effects of IT on Strategy and Competition
... One-to-Many Relationship • Each occurrence of data in one entity can be represented by many occurrences of the data in the other entity • Example: A class has only one instructor, but each instructor can teach many classes Class ...
... One-to-Many Relationship • Each occurrence of data in one entity can be represented by many occurrences of the data in the other entity • Example: A class has only one instructor, but each instructor can teach many classes Class ...
The CIO`s Guide to NoSQL
... in a way that “PC clusters can be easily and cheaply expanded without the complexity and cost of ’sharding,’ which involves cutting up databases into multiple tables to run on large clusters or grids”. Nati Shalom, CTO and founder of GigaSpaces M D ...
... in a way that “PC clusters can be easily and cheaply expanded without the complexity and cost of ’sharding,’ which involves cutting up databases into multiple tables to run on large clusters or grids”. Nati Shalom, CTO and founder of GigaSpaces M D ...
Understanding Replication in Databases and Distributed Systems
... Cold Standby (back-up might not have applied changes) 1 Safe - 2 Safe with certain constraints on the communication primitives ...
... Cold Standby (back-up might not have applied changes) 1 Safe - 2 Safe with certain constraints on the communication primitives ...
Sophos Reporting Interface user guide
... applications. The data may contain confidential information about your users and computers. By using Sophos Reporting Interface you assume the responsibility of the security of the data made available, which includes ensuring the data can only be accessed by authorized users. Besides restricting acc ...
... applications. The data may contain confidential information about your users and computers. By using Sophos Reporting Interface you assume the responsibility of the security of the data made available, which includes ensuring the data can only be accessed by authorized users. Besides restricting acc ...
Lecture
... $conn = new COM ("ADODB.Connection") or die("Cannot start ADO"); Note: we store the connection in a variable ($conn) for later use in the script. The "die" part will be executed if the connection fails. ...
... $conn = new COM ("ADODB.Connection") or die("Cannot start ADO"); Note: we store the connection in a variable ($conn) for later use in the script. The "die" part will be executed if the connection fails. ...