2 Architecture of MOLAP Aggregates in BW 3.0
... As mentioned before, ROLAP aggregates are stored in relational tables. Each aggregate represents a sub-InfoCube which can be derived either directly from the corresponding InfoCube or from another, more general aggregate. In the ROLAP case, both – InfoCube and aggregates – are stored in a relational ...
... As mentioned before, ROLAP aggregates are stored in relational tables. Each aggregate represents a sub-InfoCube which can be derived either directly from the corresponding InfoCube or from another, more general aggregate. In the ROLAP case, both – InfoCube and aggregates – are stored in a relational ...
Database Architecture for Autonomous Transportation Agents for On-scene Networked Incident Management (ATON)
... backgroud region. Features are the basic domaindependent semantic information associated with monitored mobile objects or spatial regions. Events usually represent the state-transition of observed mobile objects or spatial regions. They represent a form of atomic semantic units, and the monitored en ...
... backgroud region. Features are the basic domaindependent semantic information associated with monitored mobile objects or spatial regions. Events usually represent the state-transition of observed mobile objects or spatial regions. They represent a form of atomic semantic units, and the monitored en ...
Using the SQL Server
... c. A list of available databases opens. Select your required database and click on the "Add" field. The database connection wizard opens. d. Select the correct server: DOMAIN\SQLEXPRESS, enter the access data (this is generally "Windows-Auth."), choose the relevant file when selecting the database ...
... c. A list of available databases opens. Select your required database and click on the "Add" field. The database connection wizard opens. d. Select the correct server: DOMAIN\SQLEXPRESS, enter the access data (this is generally "Windows-Auth."), choose the relevant file when selecting the database ...
ACIDRain: Concurrency-Related Attacks on Database
... For decades, database systems have been tasked with maintaining application integrity despite concurrent access to shared state [39]. The serializable transaction concept dictates that, if programmers correctly group their application operations into transactions, application integrity will be prese ...
... For decades, database systems have been tasked with maintaining application integrity despite concurrent access to shared state [39]. The serializable transaction concept dictates that, if programmers correctly group their application operations into transactions, application integrity will be prese ...
Database System Concepts, 6 th Ed
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
Temporal Data Capture
... Design Goals for Temporal Data Capture (TDC) 1. Easy to implement and consume 2. Leverage existing knowledge of CDC to speed understanding of TDC 3. Be applicable in the cloud and on premise In fact, on premise also has the capability to leverage StretchDB for more cost effective storage of TDC his ...
... Design Goals for Temporal Data Capture (TDC) 1. Easy to implement and consume 2. Leverage existing knowledge of CDC to speed understanding of TDC 3. Be applicable in the cloud and on premise In fact, on premise also has the capability to leverage StretchDB for more cost effective storage of TDC his ...
Data Storage
... primitive data types. Use it to save any primitive data: booleans, floats, ints, longs, and strings. Persist amongst user sessions getSharedPreferences() – Use this if you need multiple preferences files identified by name where you specify with the first parameter getPreferences() – Use this if you ...
... primitive data types. Use it to save any primitive data: booleans, floats, ints, longs, and strings. Persist amongst user sessions getSharedPreferences() – Use this if you need multiple preferences files identified by name where you specify with the first parameter getPreferences() – Use this if you ...
DiggingOutFromCorruption-EddieWuerch
... Contains every allocated page Plus enough tx log to bring DB consistent Tx log will not be cleared during full backup (space planning) ...
... Contains every allocated page Plus enough tx log to bring DB consistent Tx log will not be cleared during full backup (space planning) ...
Chapter 21:Application Development and Administration
... (select customer-name,account-number from depositor, inserted where inserted.account-number = depositor.account-number) insert into loan values (inserted.account-number, inserted.branch-name, – inserted.balance) update account set balance = 0 from account, inserted where account.account-number = ins ...
... (select customer-name,account-number from depositor, inserted where inserted.account-number = depositor.account-number) insert into loan values (inserted.account-number, inserted.branch-name, – inserted.balance) update account set balance = 0 from account, inserted where account.account-number = ins ...
SAS/ACCESS® Software
... • Convenient access to all the data you need. Seamless and transparent read, write and update rights are provided to more than 60 data sources, including relational and nonrelational databases, PC files and data warehouse appliances. • Direct, easy and secure native interfaces. SQL (or other query ...
... • Convenient access to all the data you need. Seamless and transparent read, write and update rights are provided to more than 60 data sources, including relational and nonrelational databases, PC files and data warehouse appliances. • Direct, easy and secure native interfaces. SQL (or other query ...
JDBC Virtualization : Oracle Fusion Middleware 11g
... instructions in next section on creating the jdbc data source & connection pool for VSE. Only difference would be to select the Oracle database and the Oracle thin driver for service connections.) Testing the HrJobService Testing the HrJobService (SOA Composite Application) also referred to as our s ...
... instructions in next section on creating the jdbc data source & connection pool for VSE. Only difference would be to select the Oracle database and the Oracle thin driver for service connections.) Testing the HrJobService Testing the HrJobService (SOA Composite Application) also referred to as our s ...
Database Management - Courses - University of California, Berkeley
... available in many different configurations • They also tend to be VERY expensive • Pricing is usually based on users, or CPU’s Oct. 12, 2000 ...
... available in many different configurations • They also tend to be VERY expensive • Pricing is usually based on users, or CPU’s Oct. 12, 2000 ...
3. Crosscutting Concerns in Database Systems
... required to hide intermediate results. This allows the usual rollback of persistent data to the state at the beginning of the transaction. However, nesting of transactions allows rollback of persistent data to some point after the beginning of the top-level transaction. Top-level transactions satisf ...
... required to hide intermediate results. This allows the usual rollback of persistent data to the state at the beginning of the transaction. However, nesting of transactions allows rollback of persistent data to some point after the beginning of the top-level transaction. Top-level transactions satisf ...
Access.12
... • In the Sort & Filter group on the Home tab, click the Advanced button, and then click Filter By Form • In the Sort & Filter group on the Home tab, click the Advanced button, and then click Load from Query • In the Applicable Filter dialog box, click the query you want to apply as a filter, and the ...
... • In the Sort & Filter group on the Home tab, click the Advanced button, and then click Filter By Form • In the Sort & Filter group on the Home tab, click the Advanced button, and then click Load from Query • In the Applicable Filter dialog box, click the query you want to apply as a filter, and the ...
Distributed Database Systems
... commit protocol for Xact T, either because the site failed or the link failed: – If the current site is the coordinator for T, ...
... commit protocol for Xact T, either because the site failed or the link failed: – If the current site is the coordinator for T, ...
Optimizing Oracle on VMware
... information related to file access – such as date created, last time updated, etc. So an IO request might actually generate multiple physical IO’s – one for the data file and one or more for updating the related meta-data. In the case of the VMware server, we really don’t care to keep OS detailed fi ...
... information related to file access – such as date created, last time updated, etc. So an IO request might actually generate multiple physical IO’s – one for the data file and one or more for updating the related meta-data. In the case of the VMware server, we really don’t care to keep OS detailed fi ...
Database System Architecture and Implementation
... – DBMS can predict the access patterns of certain operators a lot better than the operating system (prefetching, priority hints, etc.) – concurrency control is based on protocols that prescribe the order in which pages have to be written back to disk – technical reasons can make operating systems to ...
... – DBMS can predict the access patterns of certain operators a lot better than the operating system (prefetching, priority hints, etc.) – concurrency control is based on protocols that prescribe the order in which pages have to be written back to disk – technical reasons can make operating systems to ...
Distributed Databases
... modify an object; must read enough copies to be sure of seeing at least one most recent copy. – E.g., 10 copies; 7 written for update; 4 copies read. – Each copy has version number. – Not attractive usually because reads are common. ...
... modify an object; must read enough copies to be sure of seeing at least one most recent copy. – E.g., 10 copies; 7 written for update; 4 copies read. – Each copy has version number. – Not attractive usually because reads are common. ...
Slides
... modify an object; must read enough copies to be sure of seeing at least one most recent copy. – E.g., 10 copies; 7 written for update; 4 copies read. – Each copy has version number. – Not attractive usually because reads are common. ...
... modify an object; must read enough copies to be sure of seeing at least one most recent copy. – E.g., 10 copies; 7 written for update; 4 copies read. – Each copy has version number. – Not attractive usually because reads are common. ...
A Data Modeling Process for Decomposing Healthcare
... proceeds to translate it into the logical schema. While this could theoretically involve any data model, in practice the relational model is most commonly used, and the one we adopt. In the relational schema, tables typically represent entity classes, and entity class attributes become columns in th ...
... proceeds to translate it into the logical schema. While this could theoretically involve any data model, in practice the relational model is most commonly used, and the one we adopt. In the relational schema, tables typically represent entity classes, and entity class attributes become columns in th ...
PPT - Electrical and Computer Engineering Department
... reads of same record must return same value. However, a transaction may not be serializable – it may find some records inserted by a transaction but not find others. Read committed — only committed records can be read, but ...
... reads of same record must return same value. However, a transaction may not be serializable – it may find some records inserted by a transaction but not find others. Read committed — only committed records can be read, but ...
Implementing a Generalized Access Path Structure for a
... An image is conveniently implemented and maintained through the use of a multipage index structure which contains pointers to the tuples themselves. The pages of a given index can be organized into a balanced hierarchic structure using the concept of B*-trees [3,13]. For nonleaf nodes, an entry cons ...
... An image is conveniently implemented and maintained through the use of a multipage index structure which contains pointers to the tuples themselves. The pages of a given index can be organized into a balanced hierarchic structure using the concept of B*-trees [3,13]. For nonleaf nodes, an entry cons ...
Oracle Database Security (from the Application Perspective
... Stored in Oracle objects, not files Stored in PolicyTable table Granted by DBA or JAVA_ADMIN roles ...
... Stored in Oracle objects, not files Stored in PolicyTable table Granted by DBA or JAVA_ADMIN roles ...
PPT
... being done at a lower level with exclusive-mode locks. Intention locks allow a higher level node to be locked in S or X mode without having to check all descendent nodes. ...
... being done at a lower level with exclusive-mode locks. Intention locks allow a higher level node to be locked in S or X mode without having to check all descendent nodes. ...