Improving Efficiency of Apriori Algorithm using Cache Database
... to produce rare item rules without causing frequent items to generate too many meaningless rules. However, the proposed algorithm named MSapriori algorithm in Liu et al. [3], adopts an Apriori-like candidate set generation-and-test approach and it is always costly and time-consuming, especially when ...
... to produce rare item rules without causing frequent items to generate too many meaningless rules. However, the proposed algorithm named MSapriori algorithm in Liu et al. [3], adopts an Apriori-like candidate set generation-and-test approach and it is always costly and time-consuming, especially when ...
TABLE OF CONTENTS 2. Background and Rationale
... The end user might want to analyze the data in every level or a specific level, which requires that the database be built by aggregating data accordingly in those twelve levels. So, tools must be developed so that when the user downloads required data, it gets downloaded in all the levels. For exam ...
... The end user might want to analyze the data in every level or a specific level, which requires that the database be built by aggregating data accordingly in those twelve levels. So, tools must be developed so that when the user downloads required data, it gets downloaded in all the levels. For exam ...
DOC
... 1976’s state of the art for mainframe & minicomputers Examples are IDMS & TOTAL Relationships are defined in terms of one to one or one to many by pointers buried within the data More flexible, complex, and cumbersome than the hierarchical model Not in widespread use today ...
... 1976’s state of the art for mainframe & minicomputers Examples are IDMS & TOTAL Relationships are defined in terms of one to one or one to many by pointers buried within the data More flexible, complex, and cumbersome than the hierarchical model Not in widespread use today ...
CGI
... • A plain HTML document is static • A CGI program is executed in real-time, so that it can output dynamic information. • CGI (Common Gateway Interface) is the language or protocol that the browser uses to communicate the data from the form to the web server. • A standard for interfacing external app ...
... • A plain HTML document is static • A CGI program is executed in real-time, so that it can output dynamic information. • CGI (Common Gateway Interface) is the language or protocol that the browser uses to communicate the data from the form to the web server. • A standard for interfacing external app ...
DATABASE MGMT SYSTEM (BCS 1423)
... – times during the day/week when there will be a high demand made on the database (called the peak load). ...
... – times during the day/week when there will be a high demand made on the database (called the peak load). ...
Lesson 16
... ALTER TABLESPACE FLASHBACK {ON|OFF}
SQL> SELECT name, flashback_on
2 FROM
v$tablespace;
...
... ALTER TABLESPACE
Understanding Code Pages and Character Conversion
... Code pages specify the encoding of characters by mapping each character to a hexadecimal value. Code page character conversion can occur when data passes between databases, database clients, and PowerCenter connection objects that do not use the same code page. When the code pages are not the same, ...
... Code pages specify the encoding of characters by mapping each character to a hexadecimal value. Code page character conversion can occur when data passes between databases, database clients, and PowerCenter connection objects that do not use the same code page. When the code pages are not the same, ...
Product
... trees). ▪ They are used to (dis-)aggregate facts. ▪ Note that in the most general assumpion, a hierarchy could become an ontology. ▪ Each dimension on the DFM model can be the root of a hierarchy of so-called attributes. The arcs model manyto-one associations between the parent node and the children ...
... trees). ▪ They are used to (dis-)aggregate facts. ▪ Note that in the most general assumpion, a hierarchy could become an ontology. ▪ Each dimension on the DFM model can be the root of a hierarchy of so-called attributes. The arcs model manyto-one associations between the parent node and the children ...
Flashback Database
... ALTER TABLESPACE FLASHBACK {ON|OFF}
SQL> SELECT name, flashback_on
2 FROM
v$tablespace;
...
... ALTER TABLESPACE
Introduction to User defined reports
... change the date format to suit your needs. 4. From the Value Field list, select a value. 5. Click Actions, and select Append all database values to move all of the applicable values to the Values area. This example will enable the user to choose from any of the values. If you want to limit the selec ...
... change the date format to suit your needs. 4. From the Value Field list, select a value. 5. Click Actions, and select Append all database values to move all of the applicable values to the Values area. This example will enable the user to choose from any of the values. If you want to limit the selec ...
EMC AppSync: Solution for Managing Protection of Microsoft SQL
... the need for advanced data protection that extends well beyond daily backup solutions. EMC AppSync provides a simple, SLAdriven, self-service copy management solution for Microsoft applications, including SQL Server and Microsoft Exchange, in physical, as well as virtual environments. This white pap ...
... the need for advanced data protection that extends well beyond daily backup solutions. EMC AppSync provides a simple, SLAdriven, self-service copy management solution for Microsoft applications, including SQL Server and Microsoft Exchange, in physical, as well as virtual environments. This white pap ...
20rdbs
... Browsing database contents: Web interface for navigation through the RDF contents for people Resolvable URIs: D2R Server assigns a resolvable URI to each entity in the database Content negotiation: HTML & RDF versions share URIs; HTTP content negotiation fixes version SPARQL: Both an endpoint ...
... Browsing database contents: Web interface for navigation through the RDF contents for people Resolvable URIs: D2R Server assigns a resolvable URI to each entity in the database Content negotiation: HTML & RDF versions share URIs; HTTP content negotiation fixes version SPARQL: Both an endpoint ...
mod-11
... block currently being processed. After the final tuple of that block has been processed, the block is unpinned, and it becomes the most recently used block. Buffer manager can use statistical information regarding the ...
... block currently being processed. After the final tuple of that block has been processed, the block is unpinned, and it becomes the most recently used block. Buffer manager can use statistical information regarding the ...
Applying Data Warehousing Technology to Support Planning and
... The GIST system [2], [13] is a computer application for supporting operational planning in public transport companies. It was developed as a decision support system that aims to help mass transit companies to improve the operation of critical resources, such as vehicles, drivers and planning staff. ...
... The GIST system [2], [13] is a computer application for supporting operational planning in public transport companies. It was developed as a decision support system that aims to help mass transit companies to improve the operation of critical resources, such as vehicles, drivers and planning staff. ...
Relational to Riak - Basho Technologies
... database may technically distribute load across multiple machines, but they rely on shared storage that often becomes a bottleneck. These systems are not designed to run on commodity hardware. An Oracle RAC system can cost millions to store a mere 20TB of data, a tiny number in the realm of Big Data ...
... database may technically distribute load across multiple machines, but they rely on shared storage that often becomes a bottleneck. These systems are not designed to run on commodity hardware. An Oracle RAC system can cost millions to store a mere 20TB of data, a tiny number in the realm of Big Data ...
Ch3: Database Modeling Building Blocks
... means that for every one record in one table there are many possible records in another related table, and visa versa (for both tables) The classic example of a many-to-many relationship is many students enrolled in many courses at a university a uniquely identifying table is required if unique ...
... means that for every one record in one table there are many possible records in another related table, and visa versa (for both tables) The classic example of a many-to-many relationship is many students enrolled in many courses at a university a uniquely identifying table is required if unique ...
Oracle Database 12c Essentials Exam Study Guide
... Your customer has three requirements: X, Y, Z. Identify the two steps that must be completed in order to meet those requirements. 2) “You are running a two-instance database with six redo logs defined. You decide to add a third thread to support a third database instance, on the third node of the cl ...
... Your customer has three requirements: X, Y, Z. Identify the two steps that must be completed in order to meet those requirements. 2) “You are running a two-instance database with six redo logs defined. You decide to add a third thread to support a third database instance, on the third node of the cl ...
Security and Integrity
... • Database security is about controlling access to information • Some information should be available freely • Other information should only be available to certain people or groups Security and Integrity ...
... • Database security is about controlling access to information • Some information should be available freely • Other information should only be available to certain people or groups Security and Integrity ...
The Ubiquitous DBMS - Database and Multimedia Lab, KAIST
... Advanced database applications require complex operations such as data mining that cannot be implemented by SQL. As ubiquitous devices are rapidly evolving, many advanced applications that have been used in servers will also be required of ubiquitous devices. Thus, a UDBMS should be able to support ...
... Advanced database applications require complex operations such as data mining that cannot be implemented by SQL. As ubiquitous devices are rapidly evolving, many advanced applications that have been used in servers will also be required of ubiquitous devices. Thus, a UDBMS should be able to support ...
GEMSdb - University of Notre Dame
... • For each computational run through the GEMS portal a comprehensive runtime image is created from which the simulation can automatically be regenerated. • Runtime images include executable version and location, library requirements, hardware requirements, input files, and configuration parameters ...
... • For each computational run through the GEMS portal a comprehensive runtime image is created from which the simulation can automatically be regenerated. • Runtime images include executable version and location, library requirements, hardware requirements, input files, and configuration parameters ...
ATX Software Forms2Net
... a 4GL database application development environment that provides graphical components with easy Oracle database binding and WYSIWYG properties. a runtime environment where these database applications run. Provides transaction control, record locking, validation and so on… ...
... a 4GL database application development environment that provides graphical components with easy Oracle database binding and WYSIWYG properties. a runtime environment where these database applications run. Provides transaction control, record locking, validation and so on… ...