Integrity Constraints
... revoke select on branch from U1, U2, U3 cascade Revocation of a privilege from a user may cause other users also to lose that privilege; referred to as cascading of the ...
... revoke select on branch from U1, U2, U3 cascade Revocation of a privilege from a user may cause other users also to lose that privilege; referred to as cascading of the ...
11 - Perl and the DBI module
... The index() function is used to determine the position of a letter or a substring in a string. The rindex() function is used to determine the position of a character in a string starting at the end. The length() function simply gives you back the number of characters in a string variable. The 'quote ...
... The index() function is used to determine the position of a letter or a substring in a string. The rindex() function is used to determine the position of a character in a string starting at the end. The length() function simply gives you back the number of characters in a string variable. The 'quote ...
An Interpolated Volume Data Model
... interested in conditions on the behavior of local differential operators, such as zero-flow surfaces, while in the biological case one has a mix of value conditions (e.g. homogeneity) and geometric condition (e.g. conditions on curvature). We hope, with these two application fields, to highlight the ...
... interested in conditions on the behavior of local differential operators, such as zero-flow surfaces, while in the biological case one has a mix of value conditions (e.g. homogeneity) and geometric condition (e.g. conditions on curvature). We hope, with these two application fields, to highlight the ...
Oracle Database 11g: Security and Regulatory Compliance
... financial records, but the DBA needs to access the database to do her job. What do we do?” • “Our SOX auditors require that we separate account creation from granting privileges to accounts.” ...
... financial records, but the DBA needs to access the database to do her job. What do we do?” • “Our SOX auditors require that we separate account creation from granting privileges to accounts.” ...
“User defined types and nested tables in object relational databases”
... the time and, over the last 25 years, has come to dominate the database market. With the rise in popularity of object oriented programming in the late 1980s developers began to propose alternatives and extensions to RDBMS in order to include support for objects. The two main proposals were for objec ...
... the time and, over the last 25 years, has come to dominate the database market. With the rise in popularity of object oriented programming in the late 1980s developers began to propose alternatives and extensions to RDBMS in order to include support for objects. The two main proposals were for objec ...
doc - MAPEKUS
... LogAnalyzer can be used in the following scenarios: Navigational model of a web-based application allows individual users to navigate freely in the information space (so user behavior can be influenced by user characteristics). Presentation layer of a web application is able to perform adaptatio ...
... LogAnalyzer can be used in the following scenarios: Navigational model of a web-based application allows individual users to navigate freely in the information space (so user behavior can be influenced by user characteristics). Presentation layer of a web application is able to perform adaptatio ...
SQL Server Management Studio (SSMS)
... SQL Server Agent allows you to automate many of the routine administrative tasks that consume database administrator time. You can use SQL Server agent to create jobs that run on a periodic basis, jobs that are triggered by alerts and jobs that are initiated by stored procedures. These jobs may in ...
... SQL Server Agent allows you to automate many of the routine administrative tasks that consume database administrator time. You can use SQL Server agent to create jobs that run on a periodic basis, jobs that are triggered by alerts and jobs that are initiated by stored procedures. These jobs may in ...
Technology Assessment Report Database Software Comparison
... Analysis Services (formerly OLAP Services) in SQL Server 2000 provide a complete, end-to-end platform for analysis including relational storage, data extraction, OLAP optimization and querying, data mining, and semantic modeling, among others. English Query allows end users to pose questions in Engl ...
... Analysis Services (formerly OLAP Services) in SQL Server 2000 provide a complete, end-to-end platform for analysis including relational storage, data extraction, OLAP optimization and querying, data mining, and semantic modeling, among others. English Query allows end users to pose questions in Engl ...
The Object-Oriented Database System Manifesto Malcolm Atkinson
... Finally, a lot of experimental work is underway: people are actually building systems. Some of these systems are just prototypes [Bancilhon et al. 88], [Nixon, et al. 87], [Banerjee et al. 87], [Skarra et al. 86], [Fishman et al. 87], [Carey et al. 86], but some are commercial products, [Atwood 85] ...
... Finally, a lot of experimental work is underway: people are actually building systems. Some of these systems are just prototypes [Bancilhon et al. 88], [Nixon, et al. 87], [Banerjee et al. 87], [Skarra et al. 86], [Fishman et al. 87], [Carey et al. 86], but some are commercial products, [Atwood 85] ...
Document
... tables and stored into one local area. By this process there is a quick availability of Data for fast BI processing and high throughput and since Materialized Views are read-only, the original Data in the remote system is safe from changes. Materialized Views can also be synchronized periodicall ...
... tables and stored into one local area. By this process there is a quick availability of Data for fast BI processing and high throughput and since Materialized Views are read-only, the original Data in the remote system is safe from changes. Materialized Views can also be synchronized periodicall ...
to Pdf - International Journal of modern Computer
... entity-relationship model, semantic data models, knowledgebased data models, and deductive databases. However, by far the majority of work in temporal databases is based on the relational and object-oriented data models. Various temporal data models were proposed based on temporal dimensions. Some m ...
... entity-relationship model, semantic data models, knowledgebased data models, and deductive databases. However, by far the majority of work in temporal databases is based on the relational and object-oriented data models. Various temporal data models were proposed based on temporal dimensions. Some m ...
Why suggested hybrid architecture
... a vast repository of meter data, holding everything from billing transactions to forecasting consumption. Traditionally, data warehouses have been implemented through relational databases, particularly those optimized for a specific workload known as online analytical processing; A number of vendors ...
... a vast repository of meter data, holding everything from billing transactions to forecasting consumption. Traditionally, data warehouses have been implemented through relational databases, particularly those optimized for a specific workload known as online analytical processing; A number of vendors ...
Operating System Security Fundamentals
... Authentication Methods (continued) • Digital certificates: digital passport that identifies and verifies holder of certificate • Digital token (security token): – Small electronic device – Displays a number unique to the token holder; used with the holder’s PIN as a password – Uses a different pass ...
... Authentication Methods (continued) • Digital certificates: digital passport that identifies and verifies holder of certificate • Digital token (security token): – Small electronic device – Displays a number unique to the token holder; used with the holder’s PIN as a password – Uses a different pass ...
Security in Private Database Clouds
... privilege, the risk of data loss or compromise is significantly reduced. Although this is not specific to Cloud environments, it becomes paramount in high consolidation density configurations, which is a typical configuration for Private Database Clouds. The application’s security Service Level Agre ...
... privilege, the risk of data loss or compromise is significantly reduced. Although this is not specific to Cloud environments, it becomes paramount in high consolidation density configurations, which is a typical configuration for Private Database Clouds. The application’s security Service Level Agre ...
foundations of business intelligence: databases and information
... The data warehouse extracts current and historical data from multiple operational systems inside the organization. These data are combined with data from external sources and reorganized into a central database designed for management reporting and analysis. The information directory provides users ...
... The data warehouse extracts current and historical data from multiple operational systems inside the organization. These data are combined with data from external sources and reorganized into a central database designed for management reporting and analysis. The information directory provides users ...
data warehouse?
... Data warehouses often provide support for organizing multidimensional data (based on two or more characteristics.) Retrieving data organized in this fashion is sometimes called slicing-anddicing. ...
... Data warehouses often provide support for organizing multidimensional data (based on two or more characteristics.) Retrieving data organized in this fashion is sometimes called slicing-anddicing. ...
databases and information management
... The data warehouse extracts current and historical data from multiple operational systems inside the organization. These data are combined with data from external sources and reorganized into a central database designed for management reporting and analysis. The information directory provides users ...
... The data warehouse extracts current and historical data from multiple operational systems inside the organization. These data are combined with data from external sources and reorganized into a central database designed for management reporting and analysis. The information directory provides users ...
Mining Association Rules Inside a Relational Database
... As we have noted above, sometimes it is useful to implement data mining algorithms in database management systems (DBMS). First, one can use the database indexing capability and query processing and optimization facilities provided by a DBMS. Second, for long running mining applications it can be us ...
... As we have noted above, sometimes it is useful to implement data mining algorithms in database management systems (DBMS). First, one can use the database indexing capability and query processing and optimization facilities provided by a DBMS. Second, for long running mining applications it can be us ...
Transparent Access to Relational Databases in the Cloud
... in order to integrate the components with future technologies and solutions, e.g. new types of data services in the Cloud. As discussed in the previous section, the proposed approach builds on the use of the ESB technology as the realization of these requirements. However, given the fact that multip ...
... in order to integrate the components with future technologies and solutions, e.g. new types of data services in the Cloud. As discussed in the previous section, the proposed approach builds on the use of the ESB technology as the realization of these requirements. However, given the fact that multip ...
High Availability
... • Isolation levels control interaction of many users working simultaneously with transactional data • Trade-off between concurrency and correctness • SQL-92 specifies four isolation levels • Serializable ...
... • Isolation levels control interaction of many users working simultaneously with transactional data • Trade-off between concurrency and correctness • SQL-92 specifies four isolation levels • Serializable ...
Chapter 1: The Database Environment
... Computer Support Specialists employees within their organization. Others, called help-desk technicians, assist non-IT users who are having computer problems. Computer systems analysts study an organization's current computer systems and procedures and make recommendations to management to help the o ...
... Computer Support Specialists employees within their organization. Others, called help-desk technicians, assist non-IT users who are having computer problems. Computer systems analysts study an organization's current computer systems and procedures and make recommendations to management to help the o ...
Physical Database Design and Performance
... Three types: Key Range Partitioning, Hash Partitioning, or Composite Partitioning ...
... Three types: Key Range Partitioning, Hash Partitioning, or Composite Partitioning ...
A Closer Look
... • Transaction aborted by system – Execution cannot be made atomic (a site is down) – Execution did not maintain database consistency (integrity constraint is violated) – Execution was not isolated – Resources not available (deadlock) ...
... • Transaction aborted by system – Execution cannot be made atomic (a site is down) – Execution did not maintain database consistency (integrity constraint is violated) – Execution was not isolated – Resources not available (deadlock) ...
NetIntel: A Database for Manipulation of Rich Social Network Data
... observations that have been encoded and parameterized using a particular set of assumptions or policies. In such a dataset the entities are represented as nodes, and the relations between them as edges or links. The datasets were often painstakingly collected by hand over long periods of time and pr ...
... observations that have been encoded and parameterized using a particular set of assumptions or policies. In such a dataset the entities are represented as nodes, and the relations between them as edges or links. The datasets were often painstakingly collected by hand over long periods of time and pr ...