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14 Reading Device/PLC from Database
14 Reading Device/PLC from Database

... • If you select "DSN" in [Database Type], you do not have to set [Server name]. • SQL Server 2000 and 2012 are supported. • Supports Oracle8, 10g, and 11g. However, cannot run on 64-bit operating systems. ...
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... duration (in minutes) at runtime and when a partition reaches its maximum duration, a new one is automatically created. Partition names are created on a tree fashion (e.g. /year/month/day/hour/minute). Similar to [36], authors have developed facilities for rotating partitions hence l ...
Module 12: Connecting to a Database
Module 12: Connecting to a Database

...  Data sources create pools of connections that can be reused by different programs. If many different programs need to connect to the same database a datasource can provide better performance than simply setting up a separate connection in each and every program  Data sources are used in J2EE ...
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... Database technology has been successfully used in traditional business data processing. Companies have been gathering a large amount of data, using a DBMS system to manage it. Therefore, it is desirable that we have an easy and painless use of database technology within other areas, such as data min ...
Data Warehouse
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M.Sc (CS) - Chinmaya Degree College
M.Sc (CS) - Chinmaya Degree College

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Kroenke-DBP-e10-PPT-Chapter12
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... • OLE DB is an implementation of the Microsoft OLE object standard. – OLE DB objects are COM objects and support all required interfaces for such objects. ...
The promise of graph databases in public health is web-scale discovery.
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... – This is a special case of referential integrity: A2 must be a candidate key of R2 (e.g., CrsCode is a key of Course in the above) – If no row exists in R2 => violation of referential integrity – Not all rows of R2 need to be referenced: relationship is not symmetric (e.g., some course might not be ...
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... application to improving the performance of the subset searching queries presented in Section 2. The most primitive method of searching the database is full table scan. To perform a full table scan, DBMS reads all records of the table, examining each record to determine whether it satisfies the quer ...
Data Source Architectural Patterns
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... the data to be stored in the database and for choosing appropriate structures to represent and store this data. These tasks are mostly undertaken before the database is actually implemented and populated with data. • Database designers responsibility is to communicate with all prospective database u ...
3.2.2.3 Data Transport
3.2.2.3 Data Transport

... message between systems is a secondary concern to whether the document terms (time, location, observation types and measurement values) can be mapped between systems. In regards to metadata and data mapping, the SECOORA group will continue to follow and participate in metadata and data standards bei ...
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Database model



A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.
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