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Study and Analysis of Data Mining Concepts
... Build a model on the data from the existing situation where thon where the answer is known and then applying the model to other situation where the answer is not known People have been doing it for a long time. No problem of data storage and communication. Lots of information about a variety of situ ...
... Build a model on the data from the existing situation where thon where the answer is known and then applying the model to other situation where the answer is not known People have been doing it for a long time. No problem of data storage and communication. Lots of information about a variety of situ ...
primary key
... structure, while the combination of two or more partial or full sets of structures is a merged result set and a new structure. Result sets are composed of a superset of data drawn from all or part of columns from two or more tables. The common column value between structures is the primary key in on ...
... structure, while the combination of two or more partial or full sets of structures is a merged result set and a new structure. Result sets are composed of a superset of data drawn from all or part of columns from two or more tables. The common column value between structures is the primary key in on ...
Element
... Document has one name and one (root) element. Element has – type name (which is a string), – collection of attributes, and – ordered collection of (interspersed) character data and elements. ...
... Document has one name and one (root) element. Element has – type name (which is a string), – collection of attributes, and – ordered collection of (interspersed) character data and elements. ...
MID LEVEL ORACLE DBA INTERVIEW QUESTIONS
... In Circumstances, all of the data for a row in a table may not be able to fit in the same data block. When this occurs, the data for the row is stored in a chain of data block (one or more) reserved for that segment. ...
... In Circumstances, all of the data for a row in a table may not be able to fit in the same data block. When this occurs, the data for the row is stored in a chain of data block (one or more) reserved for that segment. ...
Java Programming, Second edition
... • A JDBC driver is a class that implements the JDBC Driver interface and understands how to convert program (and typically SQL) requests for a particular database. Clearly, the driver is what makes it all work. • There are four different driver types, which are discussed in the JDK (Java Development ...
... • A JDBC driver is a class that implements the JDBC Driver interface and understands how to convert program (and typically SQL) requests for a particular database. Clearly, the driver is what makes it all work. • There are four different driver types, which are discussed in the JDK (Java Development ...
An MCQ on ISA
... 50) Scalability refers to _____. A. a system can be modified, expanded, or down-sized easily to meet changing needs . B. data can be shared across the enterprise, allowing more users access to more data . C. consistent standards are set for data names, formats, and documentation . D. systems are re ...
... 50) Scalability refers to _____. A. a system can be modified, expanded, or down-sized easily to meet changing needs . B. data can be shared across the enterprise, allowing more users access to more data . C. consistent standards are set for data names, formats, and documentation . D. systems are re ...
ObjectRank: A System for Authority-based Search
... First, we compute related terms by running the ObjectRank algorithm on the ontology graph in the same way that we used the ObjectRank algorithm on the publications data graph to compute relevance values between a query and publications. Then, we calculate a new rank value of a publication p on a ter ...
... First, we compute related terms by running the ObjectRank algorithm on the ontology graph in the same way that we used the ObjectRank algorithm on the publications data graph to compute relevance values between a query and publications. Then, we calculate a new rank value of a publication p on a ter ...
Physical Database Design and Performance
... A default value is the value that a field takes when a user does not enter an explicit value for an instance of that field. Assigning a default value to a field can reduce data entry time because entry of a value can be skipped. It can also help to reduce data entry errors for the most common ...
... A default value is the value that a field takes when a user does not enter an explicit value for an instance of that field. Assigning a default value to a field can reduce data entry time because entry of a value can be skipped. It can also help to reduce data entry errors for the most common ...
Oracle Data Guard
... All of the solid lines in Figure 3 represent the primary path used to transmit the current redo stream in Maximum Availability protection mode. The dotted lines in Figure 3 reflect the path taken by redo needed to resolve a gap between the primary and standby databases (gaps occur due to network out ...
... All of the solid lines in Figure 3 represent the primary path used to transmit the current redo stream in Maximum Availability protection mode. The dotted lines in Figure 3 reflect the path taken by redo needed to resolve a gap between the primary and standby databases (gaps occur due to network out ...
Information Retrieval Introduction
... once per doc the term appears in (docs found via inv. index): • For efficient fn computation, for each term, we can store the # times it appears in each doc, as well as the # docs it appears in. • Must also sort retrieved docs by their relevance value. • Also, think about Boolean operators (if the s ...
... once per doc the term appears in (docs found via inv. index): • For efficient fn computation, for each term, we can store the # times it appears in each doc, as well as the # docs it appears in. • Must also sort retrieved docs by their relevance value. • Also, think about Boolean operators (if the s ...
A Survey of Migration from Traditional Relational Databases towards
... structured or designed in such a way as to make them user and even system friendly. The tables are grouped together by subject areas that reflect data categories, such as data on customers, products and so on. The normalized structure divides data into entities, which create several tables in a rela ...
... structured or designed in such a way as to make them user and even system friendly. The tables are grouped together by subject areas that reflect data categories, such as data on customers, products and so on. The normalized structure divides data into entities, which create several tables in a rela ...
Database
... • Summarized or highly focused portion of firm’s data for use by specific population of users • Typically focuses on single subject or line of business ...
... • Summarized or highly focused portion of firm’s data for use by specific population of users • Typically focuses on single subject or line of business ...
Relational Database Systems
... the province of the project designer and system administrator respectively. They make up its “insurance policy”, and commercial insurers would set premiums on the basis of the measures put in place. The four aspects should not be treated as completely discrete (separate). There is a considerable ove ...
... the province of the project designer and system administrator respectively. They make up its “insurance policy”, and commercial insurers would set premiums on the basis of the measures put in place. The four aspects should not be treated as completely discrete (separate). There is a considerable ove ...
Data Integrity
... “data integrity” refers to the accuracy, reliability and consistency of data stored over its entire life-cycle in a database, data warehouse, data mart or other construct. The term – Data Integrity - can be used to describe a state, a process or a function – and is often used as a proxy for “data qu ...
... “data integrity” refers to the accuracy, reliability and consistency of data stored over its entire life-cycle in a database, data warehouse, data mart or other construct. The term – Data Integrity - can be used to describe a state, a process or a function – and is often used as a proxy for “data qu ...
Lecture - Department of Computing
... ER/EER modelling • it is possible to devise two or more correct models based on the same requirements specification • experience leads to better design (obviously!) ...
... ER/EER modelling • it is possible to devise two or more correct models based on the same requirements specification • experience leads to better design (obviously!) ...
Managing a Multi-tier Data Warehousing Environment with the SAS/Warehouse Adminstrator
... with the Oracle client software. The result of. this linking process is an executable image containing both SAS and Oracle code that enables the SAS System to access the Oracle database system. This image makes calls to the Oracle client software that are necessary to communicate with the database s ...
... with the Oracle client software. The result of. this linking process is an executable image containing both SAS and Oracle code that enables the SAS System to access the Oracle database system. This image makes calls to the Oracle client software that are necessary to communicate with the database s ...
Lecture 1
... The neighbor cells that have associated the same value form a region, and such regions form a partition of the workspace. This kind of modeling provides a continuous view of space [CZ00]. It is generally materialized in the form of grid, within which each cell is rectangular. The parameters ...
... The neighbor cells that have associated the same value form a region, and such regions form a partition of the workspace. This kind of modeling provides a continuous view of space [CZ00]. It is generally materialized in the form of grid, within which each cell is rectangular. The parameters ...
Recovery
... Generate database application performance reports Investigate user performance complaints Assess need for changes in database structure or application design Modify database structure Evaluate and implement new DBMS features Tune the DBMS Kroenke, Database Processing ...
... Generate database application performance reports Investigate user performance complaints Assess need for changes in database structure or application design Modify database structure Evaluate and implement new DBMS features Tune the DBMS Kroenke, Database Processing ...
Queries management: Interfacing SAS with in-house EDC application
... Otherwise, the time delay to displaying the web page of the form could be seriously affected, thus considerably reducing the advantage of on-line technology. Moreover, even if an inconsistency is found in the data, it is not obvious to define whether the correction should be mandatory or not. Exhaus ...
... Otherwise, the time delay to displaying the web page of the form could be seriously affected, thus considerably reducing the advantage of on-line technology. Moreover, even if an inconsistency is found in the data, it is not obvious to define whether the correction should be mandatory or not. Exhaus ...
Week5 - Information Management and Systems
... ER schemas are useful for data mapping to legacy systems and for integration of the data warehouse Star schemas are useful for the design of warehouse databases as they are efficient and easy to understand and use Allow relational databases to support multidimensional data cubes ...
... ER schemas are useful for data mapping to legacy systems and for integration of the data warehouse Star schemas are useful for the design of warehouse databases as they are efficient and easy to understand and use Allow relational databases to support multidimensional data cubes ...
Concepts of Database Design
... calculate these values as you need them instead of storing them in the database. Additionally, if you calculate them as you need them, you ensure the values are always up to date. Make a separate list of the calculated fields you removed. Include the equation used to calculate the value. Ensur ...
... calculate these values as you need them instead of storing them in the database. Additionally, if you calculate them as you need them, you ensure the values are always up to date. Make a separate list of the calculated fields you removed. Include the equation used to calculate the value. Ensur ...
The Relational Model
... A Relation is a mathematical concept based on the ideas of sets. The model was first proposed by Dr. E.F. Codd of IBM Research in 1970 in the following paper: "A Relational Model for Large Shared Data Banks," Communications of the ACM, June 1970. The above paper caused a major revolution in the fi ...
... A Relation is a mathematical concept based on the ideas of sets. The model was first proposed by Dr. E.F. Codd of IBM Research in 1970 in the following paper: "A Relational Model for Large Shared Data Banks," Communications of the ACM, June 1970. The above paper caused a major revolution in the fi ...
CHAPTER SLIDES\tmp ch11
... • Many-to-many – Records in one table related to many records in another Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall ...
... • Many-to-many – Records in one table related to many records in another Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall ...
0168 - Parallel Processing Benchmarks
... 2. Provided audit of 2 invoices that were archived from 3 different tables (AP_INVOICES_ALL, AP_INVOICE_PAYMENTS_ALL, and AP_INVOICE_DISTRIBUTIONS_ALL). Data Archive's parallel processing utilizes Oracle database features ("Parallel Query" and "Parallel DML") and supplements them by adding performan ...
... 2. Provided audit of 2 invoices that were archived from 3 different tables (AP_INVOICES_ALL, AP_INVOICE_PAYMENTS_ALL, and AP_INVOICE_DISTRIBUTIONS_ALL). Data Archive's parallel processing utilizes Oracle database features ("Parallel Query" and "Parallel DML") and supplements them by adding performan ...