Distributed Databases
... A distributed database system consists of loosely coupled sites that share ...
... A distributed database system consists of loosely coupled sites that share ...
The state of Database Forensic research - ICSA
... either inferred or reconstructed. The data model and data dictionary are not considered in this process [9]. How can one then be certain that the data is interpreted correctly without the data dictionary? How can one be certain that the data was correctly carved without the data model? What complica ...
... either inferred or reconstructed. The data model and data dictionary are not considered in this process [9]. How can one then be certain that the data is interpreted correctly without the data dictionary? How can one be certain that the data was correctly carved without the data model? What complica ...
A Real World Scenario of a SQL Server 2005 Database
... The Microsoft extended procedure “xp_cmdshell” allows users to execute dos commands within the underlying host operating system using their SQL client. This can allow an attacker who compromises the SQL Server to then launch attacks against the underlying host operating ...
... The Microsoft extended procedure “xp_cmdshell” allows users to execute dos commands within the underlying host operating system using their SQL client. This can allow an attacker who compromises the SQL Server to then launch attacks against the underlying host operating ...
Automating the Documentation of Oracle Clinical Database Specifications
... The need for proper documentation is ever-present in a regulated environment such as the pharmaceutical/ biotechnology research industry. Part of the reliability and the controlled nature of our computer systems used in clinical research is the ability to document system specifications. One key docu ...
... The need for proper documentation is ever-present in a regulated environment such as the pharmaceutical/ biotechnology research industry. Part of the reliability and the controlled nature of our computer systems used in clinical research is the ability to document system specifications. One key docu ...
Chapter 7: Relational Database Design
... The recovery-management component of a database system implements the ...
... The recovery-management component of a database system implements the ...
FAQ: Oracle Database Appliance
... Customers can start small, licensing only the processor cores they use and purchase additional licenses as their business demand grows. Q: Can I reuse database licenses that I already own for fo the Oracle Database Appliance? A: Yes. Provided that the existing Oracle databases licenses are current t ...
... Customers can start small, licensing only the processor cores they use and purchase additional licenses as their business demand grows. Q: Can I reuse database licenses that I already own for fo the Oracle Database Appliance? A: Yes. Provided that the existing Oracle databases licenses are current t ...
create table
... Library Database - Tables Structured Query Language (SQL) SQL Usage SQL Commands SQL Data Definition Language (DDL) SQL Data Manipulation Language (DML) ...
... Library Database - Tables Structured Query Language (SQL) SQL Usage SQL Commands SQL Data Definition Language (DDL) SQL Data Manipulation Language (DML) ...
ppt - Avi Silberschatz
... 1. Every data item must have a system-wide unique name. 2. It should be possible to find the location of data items efficiently. 3. It should be possible to change the location of data items ...
... 1. Every data item must have a system-wide unique name. 2. It should be possible to find the location of data items efficiently. 3. It should be possible to change the location of data items ...
PPT
... • Key-value databases store items as an attribute name (or 'key'), together with its value. Examples of key-value stores are Riak and Berkeley DB. Some key-value stores, such as Redis, allow each value to have a type, such as 'integer', which adds functionality. • Wide-column databases such as Cassa ...
... • Key-value databases store items as an attribute name (or 'key'), together with its value. Examples of key-value stores are Riak and Berkeley DB. Some key-value stores, such as Redis, allow each value to have a type, such as 'integer', which adds functionality. • Wide-column databases such as Cassa ...
Disaster Recovery Plan
... do his backups. A common scheme is to do a full backup at the beginning of each week, followed by deltas -- backups of changes -- at least daily if not more often. These can be differential backups, where the entire difference from the starting state is copied each time, or incremental, where the di ...
... do his backups. A common scheme is to do a full backup at the beginning of each week, followed by deltas -- backups of changes -- at least daily if not more often. These can be differential backups, where the entire difference from the starting state is copied each time, or incremental, where the di ...
How to Backup a Database in SQL Server
... However, if you database is in Simple recovery model you will not be able to take a Transactional log backup. This is by design from Microsoft. 5. If you want to perform a Copy-Only backup of a database then choose CopyOnly Backup option in Back Up Database Dialog box. Using copy-only backup option ...
... However, if you database is in Simple recovery model you will not be able to take a Transactional log backup. This is by design from Microsoft. 5. If you want to perform a Copy-Only backup of a database then choose CopyOnly Backup option in Back Up Database Dialog box. Using copy-only backup option ...
Principles of Transaction-Oriented Database Recovery
... been investigated thoroughly by Bjork and Davies in their studies of the so-called "spheres of control" [Bjork 1973; Davies 1973, 1978]. They indicate that data being operated by a process must be isolated in some way that lets others know the degree of reliability provided for these data, that is, ...
... been investigated thoroughly by Bjork and Davies in their studies of the so-called "spheres of control" [Bjork 1973; Davies 1973, 1978]. They indicate that data being operated by a process must be isolated in some way that lets others know the degree of reliability provided for these data, that is, ...
Oracle Database Appliance Frequently Asked Questions
... Customers are only required to license processor cores that they plan to use. In other words, the Oracle Database Appliance enables customers to “pay-as-you-grow” and purchase database licenses using a sub-capacity model. ...
... Customers are only required to license processor cores that they plan to use. In other words, the Oracle Database Appliance enables customers to “pay-as-you-grow” and purchase database licenses using a sub-capacity model. ...
Hierarchical Model
... Figure E.5. Since the relationship is one to one, an account can be owned by precisely one customer, and a customer can have only one account, as is indeed the case in the sample database. If the relationship depositor is many to many (see Figure E.6a), then the transformation from an E-R diagram to ...
... Figure E.5. Since the relationship is one to one, an account can be owned by precisely one customer, and a customer can have only one account, as is indeed the case in the sample database. If the relationship depositor is many to many (see Figure E.6a), then the transformation from an E-R diagram to ...
Chapter 5: Other Relational Languages
... Null Values It is possible for tuples to have a null value (denoted by null) for some of their ...
... Null Values It is possible for tuples to have a null value (denoted by null) for some of their ...
The Translation of Star Schema into Entity
... The star schema is the underlying model of data warehouse design in which a central fact table or tables containing quantitative measures of a unitary or transactional nature (such as sales, shipments, holdings, or treatments) is/are related to multiple dimensional tables which contain information ...
... The star schema is the underlying model of data warehouse design in which a central fact table or tables containing quantitative measures of a unitary or transactional nature (such as sales, shipments, holdings, or treatments) is/are related to multiple dimensional tables which contain information ...
® DB2 V10.1 Multi-temperature Data Management Recommendations
... Introduction The quantity of data stored in data warehouse environments is growing at an unprecedented rate. There are several reasons for this growth. For example: • Database users are retaining enormous amounts of detailed data such as transaction history, web search queries, and detailed phone r ...
... Introduction The quantity of data stored in data warehouse environments is growing at an unprecedented rate. There are several reasons for this growth. For example: • Database users are retaining enormous amounts of detailed data such as transaction history, web search queries, and detailed phone r ...
Fundamentals of Database Development (with Delphi)
... Since this course is about ADO/MSAccess the rest of the course will focus on this non−BDE database approach. As stated in the Introducing ADO in Delphi article, ADO is a set of COM components (DLLs) that allow you to access databases as well as e−mail and file systems. Applications built with ADO co ...
... Since this course is about ADO/MSAccess the rest of the course will focus on this non−BDE database approach. As stated in the Introducing ADO in Delphi article, ADO is a set of COM components (DLLs) that allow you to access databases as well as e−mail and file systems. Applications built with ADO co ...
Database Description with SDM - Semantic Information Research Lab
... existing schema. Finally, an integrated schema explicitly describes the relationships and similarities between multiple ways of viewing the same information. Without a degree of this critical integration, it is difficult to control the redundancy and to specify that the various alternative interpret ...
... existing schema. Finally, an integrated schema explicitly describes the relationships and similarities between multiple ways of viewing the same information. Without a degree of this critical integration, it is difficult to control the redundancy and to specify that the various alternative interpret ...
Insert Title Here
... Why not just use files as “databases”? • For some applications: yeah… why not? • But in general: ...
... Why not just use files as “databases”? • For some applications: yeah… why not? • But in general: ...
Backup and Recovery for Microsoft SQL Server
... Domain systems and provide backup administrators with a single point of management for tracking all backups and duplicate copies. This paradigm allows backup administrators to efficiently create DR copies of their backups over the WAN using DD Replicator software and keep catalog consistency for eas ...
... Domain systems and provide backup administrators with a single point of management for tracking all backups and duplicate copies. This paradigm allows backup administrators to efficiently create DR copies of their backups over the WAN using DD Replicator software and keep catalog consistency for eas ...
Self-Tuning Database Systems: A Decade of Progress
... that represented usage of the system often consisted of many queries and stored procedures coming from a variety of applications and thus no longer limited to a handful of queries. While this new era dramatically increased the importance of the physical database design problem, it also exposed the s ...
... that represented usage of the system often consisted of many queries and stored procedures coming from a variety of applications and thus no longer limited to a handful of queries. While this new era dramatically increased the importance of the physical database design problem, it also exposed the s ...
tool selection overview
... 2. Use virtual servers in a MS BI environment with extreme care. Virtual servers have many cost and administration benefits that will not be elaborated on here; however, both your infrastructure team and your data warehouse team must have a deep understanding of how SQL Server stores, moves and remo ...
... 2. Use virtual servers in a MS BI environment with extreme care. Virtual servers have many cost and administration benefits that will not be elaborated on here; however, both your infrastructure team and your data warehouse team must have a deep understanding of how SQL Server stores, moves and remo ...
Building a Robust Relational Implementation of Topology
... example, the geometry of an edge is defined by a list of coordinates and the object references to the edges participating in a line feature (e.g., W1) are ordered and oriented to properly represent the orientation of the linear feature. Edges and vertices of polygons are oriented clockwise (with the ...
... example, the geometry of an edge is defined by a list of coordinates and the object references to the edges participating in a line feature (e.g., W1) are ordered and oriented to properly represent the orientation of the linear feature. Edges and vertices of polygons are oriented clockwise (with the ...