Data Warehousing – CG124
... Fast access to integrated and derived data is vital; and Keeping data warehouse consistent with the underlying data sources is efficient and does not compromise on expected performance. ...
... Fast access to integrated and derived data is vital; and Keeping data warehouse consistent with the underlying data sources is efficient and does not compromise on expected performance. ...
SQL Server & High Availability - e
... or Service That They Require. A Resource is Available, or Not. • High Availability = Building Redundancy into a System or Service So As To MAINTAIN AVAILABILITY in the Event of a Certain Failure or Failures ...
... or Service That They Require. A Resource is Available, or Not. • High Availability = Building Redundancy into a System or Service So As To MAINTAIN AVAILABILITY in the Event of a Certain Failure or Failures ...
Sample pages 2 PDF
... Two-phase commit is a way of dealing with transactions where the database is held on more than one server. This is called a distributed database and these will be discussed in more detail below. However a discussion on the transaction processing implications belongs here. In a distributed database p ...
... Two-phase commit is a way of dealing with transactions where the database is held on more than one server. This is called a distributed database and these will be discussed in more detail below. However a discussion on the transaction processing implications belongs here. In a distributed database p ...
Exam 2
... ______ Besides a shorthand reference to the table throughout the query, using a table alias also implements the rename capability of relational algebra. ______ UPDATE-ing from a view that is based on a simple selection from its base table is acceptable. ______ A view can only be constructed from a s ...
... ______ Besides a shorthand reference to the table throughout the query, using a table alias also implements the rename capability of relational algebra. ______ UPDATE-ing from a view that is based on a simple selection from its base table is acceptable. ______ A view can only be constructed from a s ...
Multidimensional Scaling (MDS)
... SOM and ViSOM, have been known to yield similar results to multidimensional scaling (MDS). ...
... SOM and ViSOM, have been known to yield similar results to multidimensional scaling (MDS). ...
Distributed Query Processing on the Cloud: the Optique Point of
... on large clusters. The intuitive appeal of MapReduce and the availability of platforms such as Hadoop, has also fueled the development of data management platforms that aim at the support of SQL as a query language on top of MapReduce, or are hybrid systems combining MapReduce implementations with e ...
... on large clusters. The intuitive appeal of MapReduce and the availability of platforms such as Hadoop, has also fueled the development of data management platforms that aim at the support of SQL as a query language on top of MapReduce, or are hybrid systems combining MapReduce implementations with e ...
4.77 Information Technology
... The subject of Information Technology is one of the important application tool which can be applied to different areas in teaching, training and learning which is considered to be important in terms of human resource development, Information Processing and Decision Making which enhances the developm ...
... The subject of Information Technology is one of the important application tool which can be applied to different areas in teaching, training and learning which is considered to be important in terms of human resource development, Information Processing and Decision Making which enhances the developm ...
DB2_Ch11
... Indexes and Query Optimization • Data sparsity refers to the number of different values a column could possibly have. For example, a STU_SEX column in a STUDENT table can have only two possible values, M or F; therefore that column is said to have low sparsity. In contrast, the STU_DOB column that ...
... Indexes and Query Optimization • Data sparsity refers to the number of different values a column could possibly have. For example, a STU_SEX column in a STUDENT table can have only two possible values, M or F; therefore that column is said to have low sparsity. In contrast, the STU_DOB column that ...
EAServer 6.0.2 New Features Guide
... of America. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. All other company and product names mentioned may be trademarks of the respective compa ...
... of America. Java and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. All other company and product names mentioned may be trademarks of the respective compa ...
Views
... • Flat files were inefficient for data retrieval: it might be necessary to search entire file for a record (which, it may transpire, does not exist). Remedy: index files • Indexing improved data retrieval, but conventional ...
... • Flat files were inefficient for data retrieval: it might be necessary to search entire file for a record (which, it may transpire, does not exist). Remedy: index files • Indexing improved data retrieval, but conventional ...
chapter_1
... do not have any real time requirements Hence, based on the temporal relationships, the buffer required and the available network bandwidth, the client needs to identify a retrieval schedule for requesting objects from the server. ...
... do not have any real time requirements Hence, based on the temporal relationships, the buffer required and the available network bandwidth, the client needs to identify a retrieval schedule for requesting objects from the server. ...
Relational Database vs NoSQL
... the learning curve and are able to identify the hidden security and software weakness or loop holes. Keywords—Relational database management system, NoSQL, Big Data, ACID properties, BASE transaction, Object relational mapper (ORM), aggregates, e_ventual consistency, location independence I. ...
... the learning curve and are able to identify the hidden security and software weakness or loop holes. Keywords—Relational database management system, NoSQL, Big Data, ACID properties, BASE transaction, Object relational mapper (ORM), aggregates, e_ventual consistency, location independence I. ...
Hailstorm Press Event template
... 3. Too many code or class modules Cause: Greater than 1000 code modules Resolution: Combine or eliminate modules until the number is less than 1000 ...
... 3. Too many code or class modules Cause: Greater than 1000 code modules Resolution: Combine or eliminate modules until the number is less than 1000 ...
Study Spatial data and Attribute data and Sequential data in...
... The spatial data, attributive data and sequential data of Supermap store in database .The datasource of Supermap is mainly used to config DBMS, username, password etc and it can be connect with Sqlserver, Oracle and Access and it is similar to the concept of database in DBMS. Each datasource corresp ...
... The spatial data, attributive data and sequential data of Supermap store in database .The datasource of Supermap is mainly used to config DBMS, username, password etc and it can be connect with Sqlserver, Oracle and Access and it is similar to the concept of database in DBMS. Each datasource corresp ...
managing organizational data & information
... from; how the data was changed?; how the data is organized? how the data is stored? who owns the data etc. Business metadata- what data is available?; how to access the data?; how current the data is?; what the data mean? Dr.Anita Seth ...
... from; how the data was changed?; how the data is organized? how the data is stored? who owns the data etc. Business metadata- what data is available?; how to access the data?; how current the data is?; what the data mean? Dr.Anita Seth ...
Introduction to Databases
... The candidate key that is chosen to perform the identification task is called the primary key and the remaining candidate keys are known as alternate keys. No of Alternate Keys = No of Candidate Keys - 1 ...
... The candidate key that is chosen to perform the identification task is called the primary key and the remaining candidate keys are known as alternate keys. No of Alternate Keys = No of Candidate Keys - 1 ...
database security - S2010
... Authorization, by contrast, is the mechanism by which a system determines what level of access a particular authenticated user should have to secure resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ...
... Authorization, by contrast, is the mechanism by which a system determines what level of access a particular authenticated user should have to secure resources controlled by the system. For example, a database management system might be designed so as to provide certain specified individuals with the ...
Adding Semantics in Kinetics Models of Biochemical Pathways
... Then entered Functional Genomics. The large genome projects had demonstrated that it was possible to produce experimental data on a large scale, with a quality control that far surpassed the standards of isolated academic group [1]. New technologies now promised to allow a similar large-scale genera ...
... Then entered Functional Genomics. The large genome projects had demonstrated that it was possible to produce experimental data on a large scale, with a quality control that far surpassed the standards of isolated academic group [1]. New technologies now promised to allow a similar large-scale genera ...
COURSE OUTLINE Prepared By: Tim Davey
... by Mary Anne Poatsy, Cynthia Krebs, Eric Cameron, Jerri Williams, Robert T. Grauer ISBN:0133412202 ISBN-13:9780133412208 Publisher: Prentice Hall Pub. Date:June 2013 ...
... by Mary Anne Poatsy, Cynthia Krebs, Eric Cameron, Jerri Williams, Robert T. Grauer ISBN:0133412202 ISBN-13:9780133412208 Publisher: Prentice Hall Pub. Date:June 2013 ...
Study of Proposed System - Academic Science,International Journal
... and IBM DB2. There are different data models among which RDBMS is a common choice for the storage of information in new databases used for financial records, manufacturing and logistical information, personnel data, and other applications since the 1980s. Relational databases have often replaced hie ...
... and IBM DB2. There are different data models among which RDBMS is a common choice for the storage of information in new databases used for financial records, manufacturing and logistical information, personnel data, and other applications since the 1980s. Relational databases have often replaced hie ...
Recovery - Dr Gordon Russell
... If the DMBS fails and is restarted: 1. The disks are physically or logically damaged then recovery from the log is impossible and instead a restore from a dump is needed. 2. If the disks are OK then the database consistency must be maintained. Writes to the disk which were in progress at the time of ...
... If the DMBS fails and is restarted: 1. The disks are physically or logically damaged then recovery from the log is impossible and instead a restore from a dump is needed. 2. If the disks are OK then the database consistency must be maintained. Writes to the disk which were in progress at the time of ...
Concurrency Control
... carried out or none of them are carried out. Consistency – property of transaction requires a transaction to be written correctly Isolation – property of transaction requires that transaction to be run out without interference from other transaction – can be achieve by locking or timestamping ...
... carried out or none of them are carried out. Consistency – property of transaction requires a transaction to be written correctly Isolation – property of transaction requires that transaction to be run out without interference from other transaction – can be achieve by locking or timestamping ...
soumen_cse.iitb.ernet.in
... – BLOB vs. pure relational representation – Average English word is only 5 bytes ...
... – BLOB vs. pure relational representation – Average English word is only 5 bytes ...
DataReader
... Gets the value of the column with the specified name or position. Description Closes the data reader. Retrieves the next row and returns a Boolean value that indicates whether there are additional rows. ...
... Gets the value of the column with the specified name or position. Description Closes the data reader. Retrieves the next row and returns a Boolean value that indicates whether there are additional rows. ...