What restrictions are imposed on outer join
... Street No., Locality, City, State, Pin. Administrator is asked to provide the list of customers living in a particular locality. Providing consolidated list of all the customers will require looking in both files. But they both have different way of storing the address. Writing a program to generate ...
... Street No., Locality, City, State, Pin. Administrator is asked to provide the list of customers living in a particular locality. Providing consolidated list of all the customers will require looking in both files. But they both have different way of storing the address. Writing a program to generate ...
Introduction - Gavin Soorma
... Oracle database to another. Moving data using transportable tablespaces is much faster than performing either an export/import or unload/load of the same data. This is because the datafiles containing all of the actual data are simply copied to the destination location, and you use an import utility ...
... Oracle database to another. Moving data using transportable tablespaces is much faster than performing either an export/import or unload/load of the same data. This is because the datafiles containing all of the actual data are simply copied to the destination location, and you use an import utility ...
Architecture of Transaction Processing Systems
... activity might start with presentation services displaying a form on which the user enters information in textboxes and then submits a request for service by making an appropriate click. Presentation services recognizes the click, and it calls application services to satisfy the request, passing to ...
... activity might start with presentation services displaying a form on which the user enters information in textboxes and then submits a request for service by making an appropriate click. Presentation services recognizes the click, and it calls application services to satisfy the request, passing to ...
Practical Wide-Area Database Replication
... while assuring global system consistency. The problem is magnified for wide area replication due to the high latency and the increased likelihood of network partitions in wide area settings. In this paper, we explore a novel replication architecture and system for local and wide area networks. We in ...
... while assuring global system consistency. The problem is magnified for wide area replication due to the high latency and the increased likelihood of network partitions in wide area settings. In this paper, we explore a novel replication architecture and system for local and wide area networks. We in ...
(A) R - UCLA Computer Science
... E.g. Strings would normally be considered indivisible Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encod ...
... E.g. Strings would normally be considered indivisible Suppose that students are given roll numbers which are strings of the form CS0012 or EE1127 If the first two characters are extracted to find the department, the domain of roll numbers is not atomic. Doing so is a bad idea: leads to encod ...
Improving Database Performance
... As you saw on the previous overhead, a shared nothing environment, each system has its own ‘private memory’ and one or more disks And each server in the cluster has its own independent subset of the data it can work on without meeting resource conflicts from other servers The clustered processors co ...
... As you saw on the previous overhead, a shared nothing environment, each system has its own ‘private memory’ and one or more disks And each server in the cluster has its own independent subset of the data it can work on without meeting resource conflicts from other servers The clustered processors co ...
Creampie gangban gif
... 3. Initiate procedure call from the same database session, for example: EXEC my_procedure; ...
... 3. Initiate procedure call from the same database session, for example: EXEC my_procedure; ...
transaction processing in pdf
... Kill-wait strategy comes in second, but is better if deadlock detection itself is expensive. Also, in interactive environments where think times are long, deadlock detection can cause excessive blocking (even in absence of deadlock, a person may be very slow). May try to optimize kill-wait as follow ...
... Kill-wait strategy comes in second, but is better if deadlock detection itself is expensive. Also, in interactive environments where think times are long, deadlock detection can cause excessive blocking (even in absence of deadlock, a person may be very slow). May try to optimize kill-wait as follow ...
2.0 The Background of Database Systems
... This segment proposes different architectures for database systems. The centralized, distributed, parallel, and web-based designs are presented each with its strengths and weaknesses and the concrete reasons for their selection. The segment recommends using web enabled centralized databases unless t ...
... This segment proposes different architectures for database systems. The centralized, distributed, parallel, and web-based designs are presented each with its strengths and weaknesses and the concrete reasons for their selection. The segment recommends using web enabled centralized databases unless t ...
Configuration - Indico
... • strict versioning enforced in database • difference between two versions? – only implementation differs? e.g. trigger objects rescaling – versions physically different? new firmware? threshold change? ...
... • strict versioning enforced in database • difference between two versions? – only implementation differs? e.g. trigger objects rescaling – versions physically different? new firmware? threshold change? ...
Backup/Restore and Replication
... Which recovery model is best for the databases in your environment? This setting depends on the critically of the data and the acceptable data loss in the event of a system failure. SQL Server 2000 offers three recovery models that can be implemented for your databases. The appropriate choice depend ...
... Which recovery model is best for the databases in your environment? This setting depends on the critically of the data and the acceptable data loss in the event of a system failure. SQL Server 2000 offers three recovery models that can be implemented for your databases. The appropriate choice depend ...
Database Engines on Multicores, Why Parallelize When You Can
... master copy (with some latency) and are used to execute the read only load (queries). The system guarantees global consistency in the form of snapshot isolation, although alternative consistency guarantees are possible. Our experiments show that a minimally optimized version of Multimed exhibits bot ...
... master copy (with some latency) and are used to execute the read only load (queries). The system guarantees global consistency in the form of snapshot isolation, although alternative consistency guarantees are possible. Our experiments show that a minimally optimized version of Multimed exhibits bot ...
Algorithms for Deferred View Maintenance
... within the transaction that updates the base tables, or the refresh can be delayed. The former case is referred to as immediate view maintenance, while the latter is called deferred view maintenance. Deferred maintenance may be done periodically or on-demand when certain conditions arise. In the pas ...
... within the transaction that updates the base tables, or the refresh can be delayed. The former case is referred to as immediate view maintenance, while the latter is called deferred view maintenance. Deferred maintenance may be done periodically or on-demand when certain conditions arise. In the pas ...
A metadata driven approach to performing complex heterogeneous
... database before the software, whereas the Reverse Migration Method migrates the software application first and the database migration last. Meier [3] categorizes database migration strategies into three main areas: data and code conversion, language transformation and data propagation. This work con ...
... database before the software, whereas the Reverse Migration Method migrates the software application first and the database migration last. Meier [3] categorizes database migration strategies into three main areas: data and code conversion, language transformation and data propagation. This work con ...
A Join Operator for Property Graphs - CEUR
... operator as a combination of the aforementioned operators, our study shows that our specialized graph join algorithm outperforms the evaluation of the graph join with existing graph and relational query languages. As for relational databases, they solve common graph queries efficiently, so graph dat ...
... operator as a combination of the aforementioned operators, our study shows that our specialized graph join algorithm outperforms the evaluation of the graph join with existing graph and relational query languages. As for relational databases, they solve common graph queries efficiently, so graph dat ...
DBAdminFund_PPT_5.2
... — Backups should be made every day since the last full backup. Advantages of differential backups — This backup is a faster process than a full backup. — The cost of a differential backup is less than a full backup. — The restore process can be faster if you have lost only certain files. — Best ba ...
... — Backups should be made every day since the last full backup. Advantages of differential backups — This backup is a faster process than a full backup. — The cost of a differential backup is less than a full backup. — The restore process can be faster if you have lost only certain files. — Best ba ...
Press Release
... Today, Oracle announced the availability of Oracle® TimesTen In-Memory Database 11g and Oracle In-Memory Database Cache 11g, the database caching option for Oracle Database 11g. This latest release features major enhancements including performance and scale-out through the Database Cache Grid; suppo ...
... Today, Oracle announced the availability of Oracle® TimesTen In-Memory Database 11g and Oracle In-Memory Database Cache 11g, the database caching option for Oracle Database 11g. This latest release features major enhancements including performance and scale-out through the Database Cache Grid; suppo ...
Press Release
... ProQuest introduced a new application – Reference Linking – running on Oracle Database 11g and Oracle Real Application Clusters. ProQuest Reference Linking enables users to open up new paths in their research. End users can further explore the resources supporting scholarly journal articles, and see ...
... ProQuest introduced a new application – Reference Linking – running on Oracle Database 11g and Oracle Real Application Clusters. ProQuest Reference Linking enables users to open up new paths in their research. End users can further explore the resources supporting scholarly journal articles, and see ...
cos346day21
... other databases for a given instance of the SQL Server 2000. Also tracks disk space usage, configuration of the DBMS, and information on database objects. • Model – a database template that is copied whenever you create a new database. • Tempdb --- stores temporary objects/data such as those created ...
... other databases for a given instance of the SQL Server 2000. Also tracks disk space usage, configuration of the DBMS, and information on database objects. • Model – a database template that is copied whenever you create a new database. • Tempdb --- stores temporary objects/data such as those created ...
Oracle Database 12c Essentials Exam Study Guide
... Your customer has three requirements: X, Y, Z. Identify the two steps that must be completed in order to meet those requirements. 2) “You are running a two-instance database with six redo logs defined. You decide to add a third thread to support a third database instance, on the third node of the cl ...
... Your customer has three requirements: X, Y, Z. Identify the two steps that must be completed in order to meet those requirements. 2) “You are running a two-instance database with six redo logs defined. You decide to add a third thread to support a third database instance, on the third node of the cl ...
Information paper database recovery
... business transactions that have not been completed: Live FromSWIFT messages represent business transactions received from SWIFT but not yet known to the back office applications. SWIFT will not re-send these messages, as they have been confirmed (UAcked) by Access. Live ToSWIFT messages represent bu ...
... business transactions that have not been completed: Live FromSWIFT messages represent business transactions received from SWIFT but not yet known to the back office applications. SWIFT will not re-send these messages, as they have been confirmed (UAcked) by Access. Live ToSWIFT messages represent bu ...