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glossary:d [2009/12/04 19:42] tdo |
glossary:d [2012/10/26 14:46] (current) |
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| ==== DataSource ==== | ==== DataSource ==== | ||
| * A collection of information used by the ODBC software to connect to a database, required before accessing databases from a container application such as Microsoft Word. | * A collection of information used by the ODBC software to connect to a database, required before accessing databases from a container application such as Microsoft Word. | ||
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| ==== Decompile ==== | ==== Decompile ==== | ||
| * in OMNIDEX, the process of reverting a compiled Environment Catalog file to an Environment source file using the utility OADECOMP. | * in OMNIDEX, the process of reverting a compiled Environment Catalog file to an Environment source file using the utility OADECOMP. | ||
| - | denormalization | + | ==== Denormalization ==== |
| * The process of introducing duplication of data within a relational database (which is typically normalized), used in data warehouse applications to avoid the inefficiencies of cross-table join operations. See normalization. | * The process of introducing duplication of data within a relational database (which is typically normalized), used in data warehouse applications to avoid the inefficiencies of cross-table join operations. See normalization. | ||
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| ==== Detail data set ==== | ==== Detail data set ==== | ||
| * Child table. | * Child table. | ||
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| ==== Disconnect ==== | ==== Disconnect ==== | ||
| * The process of disconnect from an Omnidex Environment or from a network connection. | * The process of disconnect from an Omnidex Environment or from a network connection. | ||
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| ==== Distributed index ==== | ==== Distributed index ==== | ||
| * An indexing option for Omnidex, or MDK indexes, in which the index is stored as a separate file, essentially creating an IMSAM, or ASK key; | * An indexing option for Omnidex, or MDK indexes, in which the index is stored as a separate file, essentially creating an IMSAM, or ASK key; | ||
| - | An ASK Index installed through an MDK Index process with ;DI option which can be used essentially as an MDK Index, including on-line index maintenance and optimization like an MDK Index, and also aggregation as on an ASK Index. | + | * An ASK Index installed through an MDK Index process with ;DI option which can be used essentially as an MDK Index, including on-line index maintenance and optimization like an MDK Index, and also aggregation as on an ASK Index. |
| ==== Domain ==== | ==== Domain ==== | ||
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| ==== DR domain ==== | ==== DR domain ==== | ||
| * An OMNIDEX domain that consists of one detail data set, or child table, that has not been linked to a master data set, or parent table. A DR domain child table can also be part of RS (Record Specific) domain. See Hybrid-DR domain and domain. | * An OMNIDEX domain that consists of one detail data set, or child table, that has not been linked to a master data set, or parent table. A DR domain child table can also be part of RS (Record Specific) domain. See Hybrid-DR domain and domain. | ||
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| ==== Drill down ==== | ==== Drill down ==== | ||
| * In data analysis, the process of narrowing data to retrieve specific underlying detail; | * In data analysis, the process of narrowing data to retrieve specific underlying detail; | ||
| - | In OMNIDEX, successive iterations of adding criteria to a query, refining a search to the exact subset of required data. | + | * In OMNIDEX, successive iterations of adding criteria to a query, refining a search to the exact subset of required data. |
| ==== Driver Manager ==== | ==== Driver Manager ==== | ||
| * Software written by Microsoft and installed when installing ODBC applications; | * Software written by Microsoft and installed when installing ODBC applications; | ||
| - | Software accessed by container applications such as Excel which initiates the appropriate ODBC driver such as the OMNIDEX ODBC Driver. | + | * Software accessed by container applications such as Excel which initiates the appropriate ODBC driver such as the OMNIDEX ODBC Driver. |
| ==== DSN ==== | ==== DSN ==== | ||