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No Slide Title
No Slide Title

... Managing XML Schemas and documents in the database – Substitution groups  Instance data is stored in a column/table corresponding to the head element.  Additional information includes the actual element type.  Also includes, namespace prefixes, comments, PIs. ...
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Multiple Engine Architecture: A Comparison of Database Management Systems Using the SAS/ACCESS Interface
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... test a logical data model; to ensure that it is anomaly free (i.e. robust), practice documenting a Database Schema; based on a small conceptual model (as represented by an ER Diagram). ...
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... cost-effective to duplicate the data at a number of sites rather than continuously moving it between them. When the above architectural assumptions of a distributed DBMS are relaxed, one gets a parallel database system. The differences between a parallel DBMS and a distributed DBMS are somewhat uncl ...
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... • The data from DataRow objects – that have RowState as Added, Modified or Deleted are updated to the database. – Before updating or deleting a database row, the original version of the corresponding DataRow’s data is matched with database data. – If there is a match, database operations will be ...
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... Environments exist as a set of on-disk files within one or more directories. An inmemory cache stores active parts of the indices and frequently accessed data. There are two APIs that allow access to data for basic create, read, update and delete (CRUD) operations. The Base API available in both Ora ...
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A Functional View of Multilevel Databases

... in functional database systems. Query modification alone is not sufficient to prevent attacks from malicious users. To protect the system from such attacks, extensions are necessary to the functional data model. Furthermore, the database system should be redesigned to reflect the changes made to the ...
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Database Processing, 12e (Kroenke/Auer)
Database Processing, 12e (Kroenke/Auer)

... Page Ref: 20-22 Fig 1-25 45) Data Language/I (DL/I) structured data relationships as a tree structure. Answer: TRUE Diff: 3 Page Ref: 22 Fig 1-25 46) The CODASYL DBTG mode structured data relationships as a tree structure. Answer: FALSE Diff: 3 Page Ref: 22 Fig 1-25 47) The relational model was firs ...
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Open Database Connectivity

In computing, ODBC (Open Database Connectivity) is a standard programming language middleware API for accessing database management systems (DBMS). The designers of ODBC aimed to make it independent of database systems and operating systems. An application written using ODBC can be ported to other platforms, both on the client and server side, with few changes to the data access code.ODBC accomplishes DBMS independence by using an ODBC driver as a translation layer between the application and the DBMS. The application uses ODBC functions through an ODBC driver manager with which it is linked, and the driver passes the query to the DBMS. An ODBC driver can be thought of as analogous to a printer driver or other driver, providing a standard set of functions for the application to use, and implementing DBMS-specific functionality. An application that can use ODBC is referred to as ""ODBC-compliant"". Any ODBC-compliant application can access any DBMS for which a driver is installed. Drivers exist for all major DBMSs, many other data sources like address book systems and Microsoft Excel, and even for text or CSV files.ODBC was originally developed by Microsoft during the early 1990s, and became the basis for the Call Level Interface (CLI) standardized by SQL Access Group in the Unix and mainframe world. ODBC retained a number of features that were removed as part of the CLI effort. Full ODBC was later ported back to those platforms, and became a de facto standard considerably better known than CLI. The CLI remains similar to ODBC, and applications can be ported from one platform to the other with few changes.
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