Fault-Tolerance in Real
... Real-Time failover: Hot-standby data is up to date, so failover occurs in milliseconds. 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 c ...
... Real-Time failover: Hot-standby data is up to date, so failover occurs in milliseconds. 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 c ...
CUSTOMER_CODE SMUDE DIVISION_CODE SMUDE
... airline, and train reservations) all these functions trust on temporal databases. (2 marks) Temporal databases are best suited for the applications where information as to organize on time constraints. Therefore temporal database set a good example to demonstrate the requirement for development of a ...
... airline, and train reservations) all these functions trust on temporal databases. (2 marks) Temporal databases are best suited for the applications where information as to organize on time constraints. Therefore temporal database set a good example to demonstrate the requirement for development of a ...
Database Change Management
... All database schemas can be thought of as a compilation of incremental changes made over time to accommodate new functionality To automate the process developers will record all database changes as SQL scripts which they will commit to the source control repository A program can then be run to execu ...
... All database schemas can be thought of as a compilation of incremental changes made over time to accommodate new functionality To automate the process developers will record all database changes as SQL scripts which they will commit to the source control repository A program can then be run to execu ...
Database Recovery
... Some database modification made by committed transaction still in the buffer did not have time to write database ...
... Some database modification made by committed transaction still in the buffer did not have time to write database ...
Introduction to Data Base Management System
... and other objects. The data are typically organized to model aspects of reality in a way that supports processes requiring information, such as modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies. A database management system (DBMS) is a computer softw ...
... and other objects. The data are typically organized to model aspects of reality in a way that supports processes requiring information, such as modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies. A database management system (DBMS) is a computer softw ...
EF Code First with SQL CE and LocalDb
... EF 4.0 included with .NET 4.0 fixed many bugs, added features like lazy loading (Linq to SQL) EF 4.1 – online download, Package Manager Adds Code First EF 4.3.1 current version EF 5.0 beta Adding migration -> versioning of databases ...
... EF 4.0 included with .NET 4.0 fixed many bugs, added features like lazy loading (Linq to SQL) EF 4.1 – online download, Package Manager Adds Code First EF 4.3.1 current version EF 5.0 beta Adding migration -> versioning of databases ...
XA Transaction and Its implementation on IDS through JDBC
... Once you've determined that your application does in fact need to use XA, how do we make sure it is used correctly? Fortunately, J2EE and the Java Transaction API (JTA) hide the implementation details of XA. Coding changes are not required to enable XA for your application. Using XA properly is a ma ...
... Once you've determined that your application does in fact need to use XA, how do we make sure it is used correctly? Fortunately, J2EE and the Java Transaction API (JTA) hide the implementation details of XA. Coding changes are not required to enable XA for your application. Using XA properly is a ma ...
Distributed Databases
... however, requests for shared locks are handled differently than requests for exclusive locks. Shared locks. When a transaction needs to lock data item Q, it simply requests a lock on Q from the lock manager at one site containing a replica of Q. Exclusive locks. When transaction needs to lock data i ...
... however, requests for shared locks are handled differently than requests for exclusive locks. Shared locks. When a transaction needs to lock data item Q, it simply requests a lock on Q from the lock manager at one site containing a replica of Q. Exclusive locks. When transaction needs to lock data i ...
118_21.1
... Now we can query this middleware layer to retrieve or update data. Often this layer is defined by a collection of classes and queried in an Object oriented language. New applications can be written to access this layer for data, while the legacy applications continue to run using the legacy da ...
... Now we can query this middleware layer to retrieve or update data. Often this layer is defined by a collection of classes and queried in an Object oriented language. New applications can be written to access this layer for data, while the legacy applications continue to run using the legacy da ...
VPN Establishment for Dhagahbour , Qorahay, and Godey city
... Disaster Prevention and Preparedness Bureau (DPPB) is a government body established to maintain and coordinate disasters such as drought and floods that recurring occurs in Somali Regional State, and also DPPB is responsible for the general management and overall coordination of the early warning di ...
... Disaster Prevention and Preparedness Bureau (DPPB) is a government body established to maintain and coordinate disasters such as drought and floods that recurring occurs in Somali Regional State, and also DPPB is responsible for the general management and overall coordination of the early warning di ...
Ch1_Intro
... Before a change is made to the database, the corresponding log entry is forced to a safe location. OS support for this is often inadequate.) After a crash, the effects of partially executed transactions are undone using the log. (Thanks to WAL, if log entry wasn’t saved before the crash, correspondi ...
... Before a change is made to the database, the corresponding log entry is forced to a safe location. OS support for this is often inadequate.) After a crash, the effects of partially executed transactions are undone using the log. (Thanks to WAL, if log entry wasn’t saved before the crash, correspondi ...
Gancho_DB_TEG_workshop_Nov2011 - Indico
... 4) Database workload type => the ATONR is strictly of OLTP workload type (for transactionoriented applications) with a sliding window of an year for PVSS data imposed from the DBAs as agreed (equivalent to about 3 TB ) => ATLARC is of type data warehouse. => the ATLR and ADCR hosts many versatile ...
... 4) Database workload type => the ATONR is strictly of OLTP workload type (for transactionoriented applications) with a sliding window of an year for PVSS data imposed from the DBAs as agreed (equivalent to about 3 TB ) => ATLARC is of type data warehouse. => the ATLR and ADCR hosts many versatile ...
Powerpoint
... Application Productline (Prod) Logan Gen FS RS SC SN MSCM TF80 Cubes DataWarehouse … ...
... Application Productline (Prod) Logan Gen FS RS SC SN MSCM TF80 Cubes DataWarehouse … ...
Student Projects Chapter 08
... Step 8.1: Modify the ER diagram and draw an EER diagram to represent the enterprise. Be sure to identify relationship participation and cardinality constraints using (min,max) notation. Identify any weak entity sets. Use generalization and union as necessary to express class relationships, adding ap ...
... Step 8.1: Modify the ER diagram and draw an EER diagram to represent the enterprise. Be sure to identify relationship participation and cardinality constraints using (min,max) notation. Identify any weak entity sets. Use generalization and union as necessary to express class relationships, adding ap ...
2515 - Distributed Databases
... • each site on the network stores local data – the section of the database that relates to that site, e.g. the section of the database that relates to a single supermarket’s stock is stored at that site, ...
... • each site on the network stores local data – the section of the database that relates to that site, e.g. the section of the database that relates to a single supermarket’s stock is stored at that site, ...
SQL_Saturday_511_Redmond_April_2_2016_
... Execute T-SQL scripts – on-demand, scheduled Asynchronous, parallel (configurable) execution across databases Monitor execution progress and review status Automatic retry in case of failures Operations across collections of Azure SQL Databases ...
... Execute T-SQL scripts – on-demand, scheduled Asynchronous, parallel (configurable) execution across databases Monitor execution progress and review status Automatic retry in case of failures Operations across collections of Azure SQL Databases ...
DDS Chapter 1
... The database is brought nearer to its users. This can effect a cultural change as it allows potentially greater control over local data . ...
... The database is brought nearer to its users. This can effect a cultural change as it allows potentially greater control over local data . ...
Distributed Databases - UCLA Computer Science
... Appears to user as a single system In a heterogeneous distributed database Different sites may use different schemas and software Difference in schema is a major problem—schema mapping for ...
... Appears to user as a single system In a heterogeneous distributed database Different sites may use different schemas and software Difference in schema is a major problem—schema mapping for ...
Distributed Databases - UCLA Computer Science
... COORDINATOR can send a COMMIT-REQUEST messages to the COHORTS that have not responded, or it can either transmit ABORT messages (and eventually it will do so if it does not get any answer) ...
... COORDINATOR can send a COMMIT-REQUEST messages to the COHORTS that have not responded, or it can either transmit ABORT messages (and eventually it will do so if it does not get any answer) ...
Slides
... ARM-based smartphone system and (b) a brawny x86-64-based server system. In particular, we run the TPCC, TPC-H, and a combined CH-benCHmark and report performance and energy metrics. The demonstration further allows the interactive execution of arbitrary SQL queries and visualization of optimized qu ...
... ARM-based smartphone system and (b) a brawny x86-64-based server system. In particular, we run the TPCC, TPC-H, and a combined CH-benCHmark and report performance and energy metrics. The demonstration further allows the interactive execution of arbitrary SQL queries and visualization of optimized qu ...
Versant Object Database 8.0
... time to map application objects into a relational database and performance suffers. Using the Versant Object Database for data storage brings powerful advantages to application developers that use complex C++ or Java object models, have high concurrency requirements, and large data sets. ...
... time to map application objects into a relational database and performance suffers. Using the Versant Object Database for data storage brings powerful advantages to application developers that use complex C++ or Java object models, have high concurrency requirements, and large data sets. ...
Document
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj (if any), then tr ...
... 1. For each data item Q, if transaction Ti reads the initial value of Q in schedule S, then transaction Ti must, in schedule S´, also read the initial value of Q. 2. For each data item Q if transaction Ti executes read(Q) in schedule S, and that value was produced by transaction Tj (if any), then tr ...
VERITAS NetBackup for Oracle for Solaris
... Installing NBUO Integrating NBUO with Oracle8i Configuring NBUO to Support RMAN Operations Managing the Run-Time Environment Verifying NBUO Configuration Performing RMAN Backups Using NBUO ...
... Installing NBUO Integrating NBUO with Oracle8i Configuring NBUO to Support RMAN Operations Managing the Run-Time Environment Verifying NBUO Configuration Performing RMAN Backups Using NBUO ...