Database System Architectures
... fails, the other processors can take over its tasks since the database is resident on disks that are accessible from all processors. Examples: IBM Sysplex and Digital VAXclusters running Rdb ...
... fails, the other processors can take over its tasks since the database is resident on disks that are accessible from all processors. Examples: IBM Sysplex and Digital VAXclusters running Rdb ...
File - BS-IT UOS
... Analytic databases (a.k.a. OLAP- On Line Analytical Processing) are primarily static, read-only databases which store archived, historical data used for analysis. For example, a company might store sales records over the last ten years in an analytic database and use that database to analyze marketi ...
... Analytic databases (a.k.a. OLAP- On Line Analytical Processing) are primarily static, read-only databases which store archived, historical data used for analysis. For example, a company might store sales records over the last ten years in an analytic database and use that database to analyze marketi ...
Normalisation Example2
... – 2NF is better than 1NF; 3NF is better than 2NF – For most business database design purposes, 3NF is as high as needed in normalization – Highest level of normalization is not always most desirable ...
... – 2NF is better than 1NF; 3NF is better than 2NF – For most business database design purposes, 3NF is as high as needed in normalization – Highest level of normalization is not always most desirable ...
To Access the Database
... 1. A search may bring down several projects which match the query, but only one project can be retrieved and displayed from database at a time. After one project is selected and clicked to open, search result window will be closed. When selecting data out of multiple projects, multiple searches must ...
... 1. A search may bring down several projects which match the query, but only one project can be retrieved and displayed from database at a time. After one project is selected and clicked to open, search result window will be closed. When selecting data out of multiple projects, multiple searches must ...
PPT 4.5M
... foundation for Ag and NR software • You can now develop grid applications in your favourite programming language. • NARO is keen to help you to both develop new applications and link new databases. • Database owners around the world will be keen to evaluate your applications. ...
... foundation for Ag and NR software • You can now develop grid applications in your favourite programming language. • NARO is keen to help you to both develop new applications and link new databases. • Database owners around the world will be keen to evaluate your applications. ...
Tablespaces
... twice as large as the storage allocated for the actual index The temporary sort data will be placed transiently on disk then Beware: The default tablespace for temporary data is SYSTEM The SYSTEM tablespace could become fragmented due to extents being continually allocated and deallocated to t ...
... twice as large as the storage allocated for the actual index The temporary sort data will be placed transiently on disk then Beware: The default tablespace for temporary data is SYSTEM The SYSTEM tablespace could become fragmented due to extents being continually allocated and deallocated to t ...
Data Warehousing
... Subject Oriented: Data warehouse are designed to help you analyze data. For e.g. To learn more about your company’s sales data, you can build a warehouse that concentrate on sales. Integrated: Integration is closely related to subject orientation. A data warehouse is usually constructed by integr ...
... Subject Oriented: Data warehouse are designed to help you analyze data. For e.g. To learn more about your company’s sales data, you can build a warehouse that concentrate on sales. Integrated: Integration is closely related to subject orientation. A data warehouse is usually constructed by integr ...
AIS PowerPoint Presentations
... Included on both Flowcharts and DFDs There are also rules related to data stores. For example Can a customer have more than one address? Can an address belong to more than one customer? Chapter ...
... Included on both Flowcharts and DFDs There are also rules related to data stores. For example Can a customer have more than one address? Can an address belong to more than one customer? Chapter ...
Fault-Tolerance in Real
... Automatic restart and takeback: Restart of the failed node and takeback of operations is automatic, and again transparent to users and operators. Self-repair: If a node fails completely, data is copied from the complementary node to standby. This is also automatic and transparent. ...
... Automatic restart and takeback: Restart of the failed node and takeback of operations is automatic, and again transparent to users and operators. Self-repair: If a node fails completely, data is copied from the complementary node to standby. This is also automatic and transparent. ...
Relationship Types - School of Computing
... Appropriate data models at each level focus on the important aspects The end result is a fully elaborated design, with each major design decision well documented Modification should proceed from the appropriate level downward ...
... Appropriate data models at each level focus on the important aspects The end result is a fully elaborated design, with each major design decision well documented Modification should proceed from the appropriate level downward ...
Best Practices in Desktop Database Security
... Database Designers need to take steps to guard against both targeted and non-targeted attacks, with the end goal being to make it so difficult for the attacker (human or automated) to “break in” to the database as to completely discourage the attempt. Though there is no such thing as 100% perfect se ...
... Database Designers need to take steps to guard against both targeted and non-targeted attacks, with the end goal being to make it so difficult for the attacker (human or automated) to “break in” to the database as to completely discourage the attempt. Though there is no such thing as 100% perfect se ...
Datawarehouse and data mining
... OLTP (on-line transaction processing) Major task of traditional relational DBMS Day-to-day operations: purchasing, inventory, banking, ...
... OLTP (on-line transaction processing) Major task of traditional relational DBMS Day-to-day operations: purchasing, inventory, banking, ...
Introductions. DB=tables,records, fields. 3-tier
... – May do initial definition of tables – May use for debugging • did my php script put something in my database? ...
... – May do initial definition of tables – May use for debugging • did my php script put something in my database? ...
IMS1907 Database Systems
... processing functions – allows distribution of database across all types of user groups and one central server, as a single distributed database or as a set of physically related databases Monash University 2004 ...
... processing functions – allows distribution of database across all types of user groups and one central server, as a single distributed database or as a set of physically related databases Monash University 2004 ...
The oracle9i database Multiterabyte Data Warehouse
... – Denormalize only for performance reasons – Create a solution that allows new datasets to be brought in rapidly to the DW, but without high maintenance costs ...
... – Denormalize only for performance reasons – Create a solution that allows new datasets to be brought in rapidly to the DW, but without high maintenance costs ...
+ 1 - web page for staff
... be denied access to certain data, others can be limited to a read-only access, still others might be all allowed to both read and update the data, and only a very few end users are allowed full privileges to read, write, update, and delete data. For sensitive data, additional access codes can be es ...
... be denied access to certain data, others can be limited to a read-only access, still others might be all allowed to both read and update the data, and only a very few end users are allowed full privileges to read, write, update, and delete data. For sensitive data, additional access codes can be es ...
Chapter 10: Title
... DBMS (Database Management System): A software application that allows you to store, organize and retrieve data from one or more databases. • Combines (into a complete package): – Structural elements of a database (fields, records, files). – A query language. – Programs for data modification. – Progr ...
... DBMS (Database Management System): A software application that allows you to store, organize and retrieve data from one or more databases. • Combines (into a complete package): – Structural elements of a database (fields, records, files). – A query language. – Programs for data modification. – Progr ...
SQL Injection Attacks
... – If you’re only reading the database, connect to database as a user that only has read permissions – Never connect as a database administrator in your web application ...
... – If you’re only reading the database, connect to database as a user that only has read permissions – Never connect as a database administrator in your web application ...
Data Exploration
... researcher to examine the general trends in the data, to take a close look at data subsets, and to focus on possible relationships between data sets. Data exploration takes advantage of interactive and dynamically linked visual tools. Maps, graphs, and tables are displayed in multiple windows and d ...
... researcher to examine the general trends in the data, to take a close look at data subsets, and to focus on possible relationships between data sets. Data exploration takes advantage of interactive and dynamically linked visual tools. Maps, graphs, and tables are displayed in multiple windows and d ...
What Is a Shape Object?
... Database spatial structures can be imported by TNTmips, TNTedit, and TNTview into vector or CAD objects. However, since they are often being maintained and used as databases, they are subject to editing, analysis, and change by their creator, manager, or the public using other software products. To ...
... Database spatial structures can be imported by TNTmips, TNTedit, and TNTview into vector or CAD objects. However, since they are often being maintained and used as databases, they are subject to editing, analysis, and change by their creator, manager, or the public using other software products. To ...
Slide 1
... • Analysts expect U.S. companies will spend twice as much on power and cooling by 2009 as they did to acquire their IT devices (SearchStorage.com) ...
... • Analysts expect U.S. companies will spend twice as much on power and cooling by 2009 as they did to acquire their IT devices (SearchStorage.com) ...
Best Practices Slide Deck
... •Default should be complete •Only use Web Front end for if dedicating servers to web application hosting •Consider ...
... •Default should be complete •Only use Web Front end for if dedicating servers to web application hosting •Consider ...
CHAPTER-4 DATA MINING
... treated as synonyms, data mining is actually part of the knowledge discovery process. Data Cleaning: also know as data cleansing, it is a phase in which noise data and irrelevant data are removed from the collection. Data Integration: at this stage, multiple data sources, often heterogeneous, may b ...
... treated as synonyms, data mining is actually part of the knowledge discovery process. Data Cleaning: also know as data cleansing, it is a phase in which noise data and irrelevant data are removed from the collection. Data Integration: at this stage, multiple data sources, often heterogeneous, may b ...
Exploratory Learning PowerPoint Presentation
... • To provide a code-execution environment that promotes safe execution of code, including code created by an unknown or semi-trusted third party ...
... • To provide a code-execution environment that promotes safe execution of code, including code created by an unknown or semi-trusted third party ...