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| === Declaring Databases for Raw Data Files === | === Declaring Databases for Raw Data Files === | ||
| - | Databases in Omnidex are of a particular type, such as Oracle, SQL Server, MySQL or ODBC. A database that accesses raw data file has its own type: FILE. All tables within this database must be raw data files, though they can be a mixture of the types of raw data files supported by Omnidex. | + | Databases in Omnidex are of a particular type, such as Oracle, SQL Server, MySQL or ODBC. A database that accesses raw data files has its own type: FILE. All tables within this database must be raw data files, though they can be a mixture of the types of raw data files supported by Omnidex. |
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| Files can reside in multiple directories and in multiple drives or volumes to allow a table to span multiple storage devices. Files may also reside on a Storage Area Network (SAN); in fact, this is one of the most common implementations of Omnidex. Files may also reside on Microsoft Windows mapped drives; however, users should expect performance degradation to occur in this scenario. | Files can reside in multiple directories and in multiple drives or volumes to allow a table to span multiple storage devices. Files may also reside on a Storage Area Network (SAN); in fact, this is one of the most common implementations of Omnidex. Files may also reside on Microsoft Windows mapped drives; however, users should expect performance degradation to occur in this scenario. | ||
| - | Wildcards provide a great flexibility since they allow more data to be added to a table by simply moving another file into place. Care should be taken with this approach, though, since the table must be reindexed as soon as new data is in place. | + | Wildcards provide great flexibility since they allow more data to be added to a table by simply moving another file into place. Care should be taken with this approach, though, since the table must be reindexed as soon as new data is in place. |