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Connecting Business Objects to Relational Databases
... This is really a special case of building a Layer [BMRSS 96] to protect yourself from changes. All persistent objects use the standard interface of the Persistence Layer. If the data storage mechanism changes, only the Persistence Layer needs to be changed. For example, the corporate direction may b ...
... This is really a special case of building a Layer [BMRSS 96] to protect yourself from changes. All persistent objects use the standard interface of the Persistence Layer. If the data storage mechanism changes, only the Persistence Layer needs to be changed. For example, the corporate direction may b ...
lsm it administration manual
... without notice. Consequently, descriptions and representations in this documentation may vary from the most recent product and software versions. As a general principle, the original German version shall apply in the event of any doubt. Subject to errors and misspellings. These documents are based o ...
... without notice. Consequently, descriptions and representations in this documentation may vary from the most recent product and software versions. As a general principle, the original German version shall apply in the event of any doubt. Subject to errors and misspellings. These documents are based o ...
ODB Training 2005
... Visualizing with odbviewer History: odbviewer was originally written to be used as a debugging tool for ODB software development Linked with ECMWF graphics package MAGICS/MAGICS++ it displays coverage plots Also a textual report generator Displays output of data queries “Sensitive” to ODB ...
... Visualizing with odbviewer History: odbviewer was originally written to be used as a debugging tool for ODB software development Linked with ECMWF graphics package MAGICS/MAGICS++ it displays coverage plots Also a textual report generator Displays output of data queries “Sensitive” to ODB ...
Understanding CopyStorm/Restore
... Here is the key point: The Tracker Database retains the history/progress of a restore across each use of a CopyStorm/Restore configuration file. The means: If you use a Tracker Database to restore records to “Sandbox A” then attempt to restore “Sandbox B”, no records will be written to “Sandbox B” ...
... Here is the key point: The Tracker Database retains the history/progress of a restore across each use of a CopyStorm/Restore configuration file. The means: If you use a Tracker Database to restore records to “Sandbox A” then attempt to restore “Sandbox B”, no records will be written to “Sandbox B” ...
What is a Distributed Database System?
... A distributed database management system (D–DBMS) is the software that manages the DDB and provides an access mechanism that makes this distribution transparent to the users. Distributed database system (DDBS) = DDB + D–DBMS ...
... A distributed database management system (D–DBMS) is the software that manages the DDB and provides an access mechanism that makes this distribution transparent to the users. Distributed database system (DDBS) = DDB + D–DBMS ...
Eagle General Information
... The Enhanced Automated Graphical Logistics Environment (EAGLE) software is an integrated database system that provides traditional and innovative real-time solutions for automating logistics, provisioning, and technical publication tasks. EAGLE consists of software tools, both Raytheon commercial of ...
... The Enhanced Automated Graphical Logistics Environment (EAGLE) software is an integrated database system that provides traditional and innovative real-time solutions for automating logistics, provisioning, and technical publication tasks. EAGLE consists of software tools, both Raytheon commercial of ...
Best Practices for Running SQL Server on EMC XtremIO
... Typical application workloads like SQL Server drives moderate IOPS/bandwidth that rarely stretches the capability of a shared storage area network (SAN). Organizations consolidate multiple workloads on SAN to maximize resource usage, and take advantage of the availability, scalability and ease of ma ...
... Typical application workloads like SQL Server drives moderate IOPS/bandwidth that rarely stretches the capability of a shared storage area network (SAN). Organizations consolidate multiple workloads on SAN to maximize resource usage, and take advantage of the availability, scalability and ease of ma ...
XML Data Model
... Database architecture is relational: Normalized to eliminate data redundancy Join on any two columns that have the same data type. Foreign keys can enforce data integrity ...
... Database architecture is relational: Normalized to eliminate data redundancy Join on any two columns that have the same data type. Foreign keys can enforce data integrity ...
CS 579 Database Systems
... If a value for a hiredate is in Emps, then the same value for startdate MUST be in Projs: Employees could only be hired on the day some project started! ...
... If a value for a hiredate is in Emps, then the same value for startdate MUST be in Projs: Employees could only be hired on the day some project started! ...
Towards Judicial Data Warehousing And Data Mining
... Institutions have often adopted the use of Extraction, Transformation and Loading (ETL) of data into a data warehouse. A data warehouse is a central repository of information which can be retrieved later for analytics or other data mining related activities. ETL is a process that is used to take inf ...
... Institutions have often adopted the use of Extraction, Transformation and Loading (ETL) of data into a data warehouse. A data warehouse is a central repository of information which can be retrieved later for analytics or other data mining related activities. ETL is a process that is used to take inf ...
Document
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
... relation storing one part of the information E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, cus ...
Module1 - McGraw
... defines a relational data structure that protects data and allows that data to be manipulated in a way that is predictable and resistant to error. The relational model, which is rooted primarily in the mathematical principles of set theory and predicate logic, supports easy data retrieval, enforces ...
... defines a relational data structure that protects data and allows that data to be manipulated in a way that is predictable and resistant to error. The relational model, which is rooted primarily in the mathematical principles of set theory and predicate logic, supports easy data retrieval, enforces ...
Chapter 14: Concurrency Control
... Executing lock-S(B) causes T4 to wait for T3 to release its lock on B, while executing lock-X(A) causes T3 to wait for T4 to release its lock on A. Such a situation is called a deadlock. To handle a deadlock one of T3 or T4 must be rolled back and its locks must be released. ...
... Executing lock-S(B) causes T4 to wait for T3 to release its lock on B, while executing lock-X(A) causes T3 to wait for T4 to release its lock on A. Such a situation is called a deadlock. To handle a deadlock one of T3 or T4 must be rolled back and its locks must be released. ...
Design Science: Building the Future of AIS
... within the domain and to specify their solutions. They form the specialized language and shared knowledge of a discipline or sub-discipline." The value of a clearly defined set of constructs is apparent since all scientists are concerned with precision. The evaluation of these, or any, constructs is ...
... within the domain and to specify their solutions. They form the specialized language and shared knowledge of a discipline or sub-discipline." The value of a clearly defined set of constructs is apparent since all scientists are concerned with precision. The evaluation of these, or any, constructs is ...
Oracle Advanced Compression with Oracle Database 12c (White
... With Advanced Row Compression, when the block is full, it is compressed. More rows are then added (since more rows can now fit into the block), and the process of recompression is repeated several times until the rows in the block cannot be compressed further. Blocks are usually compressed and refor ...
... With Advanced Row Compression, when the block is full, it is compressed. More rows are then added (since more rows can now fit into the block), and the process of recompression is repeated several times until the rows in the block cannot be compressed further. Blocks are usually compressed and refor ...
Fourth Generation Languages and PHP University of California, Berkeley School of Information Management
... maximum annual production would never exceed 200,000. This conclusion was based on the much-researched figure that no more than 2 million people would be willing to serve as chauffeurs. From James Martin - Fourth Generation Languages IS 257 - Fall 2002 ...
... maximum annual production would never exceed 200,000. This conclusion was based on the much-researched figure that no more than 2 million people would be willing to serve as chauffeurs. From James Martin - Fourth Generation Languages IS 257 - Fall 2002 ...
EMC VMAX WITH ORACLE DATABASE 12c With EMC VMAX
... increases in floor tile density with engines and high capacity disk enclosures for both 2.5" and 3.5" drives consolidated in the same system bay. In addition, VMAX 100K, 200K, and 400K can be configured as either hybrid or allflash arrays. All new VMAX3 models come fully pre-configured from the fact ...
... increases in floor tile density with engines and high capacity disk enclosures for both 2.5" and 3.5" drives consolidated in the same system bay. In addition, VMAX 100K, 200K, and 400K can be configured as either hybrid or allflash arrays. All new VMAX3 models come fully pre-configured from the fact ...
Inconsistency Issues in Spatial Databases
... The integration of spatial data into traditional database systems requires addressing nontrivial issues at various levels. They range from ontological issues about the conceptualization of space to more technical issues about access mechanisms and file management [58]. As consequence, progress in SD ...
... The integration of spatial data into traditional database systems requires addressing nontrivial issues at various levels. They range from ontological issues about the conceptualization of space to more technical issues about access mechanisms and file management [58]. As consequence, progress in SD ...
Read Chapter 3.1
... E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, customer-name, ..) results in repetition of in ...
... E.g.: account : stores information about accounts depositor : stores information about which customer owns which account customer : stores information about customers Storing all information as a single relation such as bank(account-number, balance, customer-name, ..) results in repetition of in ...
Module 2 Association Rules
... Disk access is the most expensive operations, so need to reduce disk access as much as possible If it is possible, only a single scan of data should be done. If not, then minimize the number of scan If main memory size is unlimited, single disk scan is possible However, main memory size is not unlim ...
... Disk access is the most expensive operations, so need to reduce disk access as much as possible If it is possible, only a single scan of data should be done. If not, then minimize the number of scan If main memory size is unlimited, single disk scan is possible However, main memory size is not unlim ...
SQL Server 2014 In-Memory OLTP
... relational databases that use a pessimistic concurrency model. Incompatible types will lead to blocking or waits for particular objects or data. Latches are lightweight synchronization primitives that the SQL Server engine uses to guarantee consistency of page structures supporting index, data pages ...
... relational databases that use a pessimistic concurrency model. Incompatible types will lead to blocking or waits for particular objects or data. Latches are lightweight synchronization primitives that the SQL Server engine uses to guarantee consistency of page structures supporting index, data pages ...
hot topics in database systems, fall 2002
... is in general more desirable since it is work-conserving: aborting the transaction in progress would not only waste the work that has been done on it so far, it also creates extra work since this transaction needs to be rolled back. On the other hand, just reordering the queue can only have an effec ...
... is in general more desirable since it is work-conserving: aborting the transaction in progress would not only waste the work that has been done on it so far, it also creates extra work since this transaction needs to be rolled back. On the other hand, just reordering the queue can only have an effec ...
ch12new
... a certain attribute satisfy some condition, but where the attribute is not the one on which the table is sorted. Example 1: In the account database stored sequentially by account number, we may want to find all accounts in a particular branch Example 2: as above, but where we want to find all ac ...
... a certain attribute satisfy some condition, but where the attribute is not the one on which the table is sorted. Example 1: In the account database stored sequentially by account number, we may want to find all accounts in a particular branch Example 2: as above, but where we want to find all ac ...
IBM DB2 courses, Universidad Cenfotec
... DB2 SQL Workshop for Experienced Users .....................................................................................................................................................................5 DB2 9 Database Administration Workshop for Linux, UNIX and Windows ........................... ...
... DB2 SQL Workshop for Experienced Users .....................................................................................................................................................................5 DB2 9 Database Administration Workshop for Linux, UNIX and Windows ........................... ...