Setup Flashback Database on Data Guard Physical Standby
... possible until the function has been reactivated and new logs have been created. Exception: If guaranteed restore points have been created, the area is not purged. Flashback logging can be closed in any database mode. There is no need to first shut down and mount, i.e. deactivation is possible at an ...
... possible until the function has been reactivated and new logs have been created. Exception: If guaranteed restore points have been created, the area is not purged. Flashback logging can be closed in any database mode. There is no need to first shut down and mount, i.e. deactivation is possible at an ...
Database Lifecycle Management
... Section 5 considers the applicability of the practices and methods described in Section 2 to the broader "data ecosystem", to the ETL process that supply the data, BI systems that must analyze it, as well as to the design, development, delivery, and maintenance of non-relational databases and other ...
... Section 5 considers the applicability of the practices and methods described in Section 2 to the broader "data ecosystem", to the ETL process that supply the data, BI systems that must analyze it, as well as to the design, development, delivery, and maintenance of non-relational databases and other ...
Computing Consistent Query Answers using Conflict
... • Encouraging experimental results that compare our approach with an approach based on query rewriting and estimate the overhead of computing consistent query answers. No comprehensive results of this kind exist in the literature. Because our query language includes union, our approach can extract i ...
... • Encouraging experimental results that compare our approach with an approach based on query rewriting and estimate the overhead of computing consistent query answers. No comprehensive results of this kind exist in the literature. Because our query language includes union, our approach can extract i ...
focus on: fdr/upstream`s online database solutions
... a database for some action. For some DBAs, it might mean quiese a database, while for other DBAs it could mean to run a SQL script or do work with transaction logs. The way this could work is by submitting an UPSTREAM OS/390 batch job, that contacts the UPSTREAM client, and executes the pre-process ...
... a database for some action. For some DBAs, it might mean quiese a database, while for other DBAs it could mean to run a SQL script or do work with transaction logs. The way this could work is by submitting an UPSTREAM OS/390 batch job, that contacts the UPSTREAM client, and executes the pre-process ...
Scalable Query Result Caching for Web Applications
... the centralized database. If a database query result is not present in one proxy’s cache, the result might still be obtained from another proxy server rather than from the central database. Ferdinand maintains cache consistency using publish / subscribe as a communications primitive. In our design t ...
... the centralized database. If a database query result is not present in one proxy’s cache, the result might still be obtained from another proxy server rather than from the central database. Ferdinand maintains cache consistency using publish / subscribe as a communications primitive. In our design t ...
Chapter 7: Relational Database Design
... add the resulting functional dependencies to F+ for each pair of functional dependencies f1and f2 in F+ if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F+ until F+ does not change any further NOTE: We will see an alternative procedure for this task lat ...
... add the resulting functional dependencies to F+ for each pair of functional dependencies f1and f2 in F+ if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F+ until F+ does not change any further NOTE: We will see an alternative procedure for this task lat ...
Evaluating and Comparing Oracle Database Appliance X6
... Database performance related bug 13344323 should be addressed. This bug is related to the possibility of a missing post from DBWR that can cause buffer busy waits. As a workaround the _buffer_busy_wait_timeout parameter should be set to 20ms. ...
... Database performance related bug 13344323 should be addressed. This bug is related to the possibility of a missing post from DBWR that can cause buffer busy waits. As a workaround the _buffer_busy_wait_timeout parameter should be set to 20ms. ...
DataGuard SwitchOver steps
... database have the exact same directory path to the online redo logs, it is acceptable to set LOG_FILE_NAME_CONVERT such that the entry pairs have the same value. As an example, if the online redo logs are stored in /oradata/order_db/redo for both the primary and physical standby databases on their ...
... database have the exact same directory path to the online redo logs, it is acceptable to set LOG_FILE_NAME_CONVERT such that the entry pairs have the same value. As an example, if the online redo logs are stored in /oradata/order_db/redo for both the primary and physical standby databases on their ...
ppt
... If either copy of an inconsistent block is detected to have an error (bad checksum), overwrite it by the other copy. If both have no error, but are different, overwrite the second block by the first block. ...
... If either copy of an inconsistent block is detected to have an error (bad checksum), overwrite it by the other copy. If both have no error, but are different, overwrite the second block by the first block. ...
Consolidation Best Practices: Oracle Database 12c plugs you into
... manage many databases as one. For example, tasks like backup and disaster recovery are performed at the CDB level. Dynamic between-pluggable database resource management. Oracle Database 12c Resource Manager is extended with specific functionality to instantly control the competition between the PDB ...
... manage many databases as one. For example, tasks like backup and disaster recovery are performed at the CDB level. Dynamic between-pluggable database resource management. Oracle Database 12c Resource Manager is extended with specific functionality to instantly control the competition between the PDB ...
PDF - Complete Book (2.17 MB)
... • IPv4 and IPv6 are supported. External Database Requirements for IM and Presence Service Features • The external database requirements differ depending on the features you want to deploy on IM and Presence Service. ◦Persistent Group Chat feature — You require one unique external database for each I ...
... • IPv4 and IPv6 are supported. External Database Requirements for IM and Presence Service Features • The external database requirements differ depending on the features you want to deploy on IM and Presence Service. ◦Persistent Group Chat feature — You require one unique external database for each I ...
Database Configuration - L-Soft
... analytical processing), where the amount of (complex) reads outnumbers the amount of writes. You would have to analyze your own usage of the Maestro User Interface to determine if you are working more with OLTP or OLAP characteristics, so that you can use this information to optimize the database. ...
... analytical processing), where the amount of (complex) reads outnumbers the amount of writes. You would have to analyze your own usage of the Maestro User Interface to determine if you are working more with OLTP or OLAP characteristics, so that you can use this information to optimize the database. ...
Layered Temporal DBMS`s - Concepts and Techniques
... Temporal query languages effectively move complexity from the user’s application to the implementation of the DBMS. The usual architecture adopted when building a temporal DBMS is the integrated architec: ture also used for implementing commercial relational DBMS’s (see, e.g., [l, 18, 193). This arc ...
... Temporal query languages effectively move complexity from the user’s application to the implementation of the DBMS. The usual architecture adopted when building a temporal DBMS is the integrated architec: ture also used for implementing commercial relational DBMS’s (see, e.g., [l, 18, 193). This arc ...
Slide 1
... Oracle In-Memory Database Cache Accelerator for Oracle Database Applications • Reduced response time and increased throughput for Oracle Database applications • Oracle Database tables cached in the application-tier – Groups of related tables – All or subset of rows and columns ...
... Oracle In-Memory Database Cache Accelerator for Oracle Database Applications • Reduced response time and increased throughput for Oracle Database applications • Oracle Database tables cached in the application-tier – Groups of related tables – All or subset of rows and columns ...
Partial Database Availability
... is likely that, in some situations, databases will become too big for a single storage unit such as a Storage Area Network (SAN) cabinet, storage array, or disk subsystem. This phenomenon can be seen today. As one disk array or cabinet is consumed, the IT department purchases another and attaches it ...
... is likely that, in some situations, databases will become too big for a single storage unit such as a Storage Area Network (SAN) cabinet, storage array, or disk subsystem. This phenomenon can be seen today. As one disk array or cabinet is consumed, the IT department purchases another and attaches it ...
Determining the IOPS Needs for Oracle Database on AWS
... do. This assumption occurs because customers confuse storage system IOPS with database IOPS. Most enterprises use storage area network (SAN) systems that can provide 100,000–200,000 or more IOPS for storage. The same SAN storage is usually shared by multiple databases and file systems, thus the tota ...
... do. This assumption occurs because customers confuse storage system IOPS with database IOPS. Most enterprises use storage area network (SAN) systems that can provide 100,000–200,000 or more IOPS for storage. The same SAN storage is usually shared by multiple databases and file systems, thus the tota ...
Database Concepts - College of Computing
... hardware, software, and training is too high the generality a DBMS provides is not needed the overhead for security, concurrency control, and recovery is too high data and applications are simple and stable real-time requirements cannot be met by it multiple user access is not needed ...
... hardware, software, and training is too high the generality a DBMS provides is not needed the overhead for security, concurrency control, and recovery is too high data and applications are simple and stable real-time requirements cannot be met by it multiple user access is not needed ...
Oracle DB Security
... audit ROLE BY ACCESS; audit SYSTEM audit BY ACCESS; audit SYSTEM GRANT BY ACCESS; audit create any table by access; audit alter any table by access; audit drop any table by access; audit CREATE ROLE by access; audit CREATE JOB BY ACCESS; audit CREATE ANY JOB BY ACCESS; audit audit SYSTEM BY ACCESS; ...
... audit ROLE BY ACCESS; audit SYSTEM audit BY ACCESS; audit SYSTEM GRANT BY ACCESS; audit create any table by access; audit alter any table by access; audit drop any table by access; audit CREATE ROLE by access; audit CREATE JOB BY ACCESS; audit CREATE ANY JOB BY ACCESS; audit audit SYSTEM BY ACCESS; ...
Nested Relational Databases
... store the part information must be traversed very quickly in order to display the part on the user's screen within an acceptable response time. Hundreds or thousands of join operations are required to display a complex part. These joins simply cannot be performed fast enough to provide acceptable di ...
... store the part information must be traversed very quickly in order to display the part on the user's screen within an acceptable response time. Hundreds or thousands of join operations are required to display a complex part. These joins simply cannot be performed fast enough to provide acceptable di ...
Second Normal Form - Department of Computer Science
... ( P (pilot) , F (flight# ), D (date), T (scheduled time to depart) ) We have the following FD's : F ----> T PDT ----> F FD ----> P Provide some superkeys: PDT is a superkey, and FD is a superkey. Is PDT a candidate key? PD is not a superkey, nor is DT, nor is PT. So, PDT is a candidate key ...
... ( P (pilot) , F (flight# ), D (date), T (scheduled time to depart) ) We have the following FD's : F ----> T PDT ----> F FD ----> P Provide some superkeys: PDT is a superkey, and FD is a superkey. Is PDT a candidate key? PD is not a superkey, nor is DT, nor is PT. So, PDT is a candidate key ...
(A) R
... R could have been a single relation containing all attributes that are of interest (called universal relation). Normalization breaks R into smaller relations. ...
... R could have been a single relation containing all attributes that are of interest (called universal relation). Normalization breaks R into smaller relations. ...
Concurrency Control
... • When a transaction T tries to read or write an item X, the timestamp of T is compared to the read and write timestamps of X to ensure the timestamp order of execution is not violated. • If the timestamp order of execution is violated then T is aborted and resubmitted later with a new timestamp. • ...
... • When a transaction T tries to read or write an item X, the timestamp of T is compared to the read and write timestamps of X to ensure the timestamp order of execution is not violated. • If the timestamp order of execution is violated then T is aborted and resubmitted later with a new timestamp. • ...
Accounting Information Systems: The Crossroads of Accounting and IT
... Objective: Q2.2 What is the role of the database in the enterprise? 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. ...
... Objective: Q2.2 What is the role of the database in the enterprise? 15) How are hierarchical databases and network databases similar? How are they different? Answer: Hierarchical databases and network databases are similar in that they store data in records that are not grouped into database tables. ...