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Note:You should use the procedure instead of this procedure.Parameters tabnameTable with geometry objects. CommitintNumber of geometries to migrate before Spatial performs an internal commit operation. SDOMIGRATE.OGISMETADATAFROMFormatSDOMIGRATE.OGISMETADATAFROMDescriptionCalled at the source database when migrating from one 8.1.5 database to another 8.1.5 database.
The procedure migrates OGIS (OpenGIS) metadata entries from schemas owned by MDSYS.ParametersNone.Usage NotesConsider the following when using this procedure:.The tables involved are strictly maintained by the user, and not by Spatial. Details are available in the sdocat.sql file and the OpenGIS specification.Call this procedure once before migrating the data, and it will generate a temporary table called SDOGCMIG. Export the temporary table to the new database and call to restore the data. SDOMIGRATE.OGISMETADATATOFormatSDOMIGRATE.OGISMETADATATODescriptionUsed at the destination database when migrating from one 8.1.5 database to another 8.1.5 database. The procedure migrates OGIS (OpenGIS) metadata entries from schemas owned by MDSYS.ParametersNone.Usage NotesConsider the following when using this procedure:.The tables involved are strictly maintained by the user, and not by Spatial. Details are available in the sdocat.sql file and the OpenGIS specification.Call this procedure once after migrating the data.
SDOMIGRATE.TO734FormatSDOMIGRATE.TO734(sn IN VARCHAR2,layer IN VARCHAR2,tesstype IN VARCHAR2,param IN INTEGER);DescriptionMigrates data from a previous release of Spatial Data Option to release 7.3.4.Parameters snSchema name of the owner of layer. LayerName of the layer to be migrated. TesstypeType of tessellation (indexing) to be used: FIXED or VARIABLE. ParamParameter whose significance depends on tesstype:.If tesstype is FIXED, param is the SDOLEVEL value.If tesstype is VARIABLE, param is the SDONUMTILES value.Usage NotesNone.ExamplesFor fixed-size tessellation:SQL execute sdomigrate.to734('HERMAN', 'ROADS', 'FIXED', 10);For variable-sized tessellation:SQL execute sdomigrateto734('HERMAN', 'ROADS', 'VARIABLE',4). Note:You should use the procedure instead of this procedure.Parameters layerName of the layer to be migrated. NewtabnameName of the new table to which you are migrating the data. GidcolumnName of the column in which to store the GID from the old table.
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GeocolnameName of the column in the new table where the geometry objects will be inserted. LayergtypeOne of the following values: POINT or NOTPOINT (default).If the layer you are migrating is composed solely of point data, set this parameter to POINT for optimal performance; otherwise, set this parameter to NOTPOINT. If you set the value to POINT and the layer contains any nonpoint geometries, the migration might produce invalid data. SDOMIGRATE.TOCURRENTFormat (Any Object-Relational Model Implementation to Current)SDOMIGRATE.TOCURRENT(tabname IN VARCHAR2, columnname IN VARCHAR2);orSDOMIGRATE.TOCURRENT(tabname IN VARCHAR2,columnname IN VARCHAR2, commitint IN NUMBER);Format (Any Relational Model Implementation to Current)SDOMIGRATE.TOCURRENT(layer IN VARCHAR2,newtabname IN VARCHAR2,gidcolumn IN VARCHAR2,geocolname IN VARCHAR2,layergtype IN VARCHAR2,updateflag IN VARCHAR2);DescriptionMigrates data from a previous Spatial release to the current release. The format depends on whether you are migrating from the Spatial relational model (release 8.1.5 or lower) or object-relational model (release 8.1.6 or higher). See the Usage Notes for the model that applies to you.You are encouraged to use this procedure instead of the or procedure.Parameters tabnameTable with geometry objects. ColumnnameColumn in tabname that contains geometry objects.
If columnname is not specified or is specified as null, the column containing geometry objects is migrated. CommitintNumber of geometries to migrate before Spatial performs an internal commit operation. If commitint is not specified, no internal commit operations are performed during the migration.If you specify a commitint value, you can use a smaller rollback segment than would otherwise be needed.
LayerName of the layer to be migrated. NewtabnameName of the new table to which you are migrating the data. GidcolumnName of the column in which to store the GID from the old table.
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GeocolnameName of the column in the new table where the geometry objects will be inserted. LayergtypeOne of the following values: POINT or NOTPOINT (default).If the layer you are migrating is composed solely of point data, set this parameter to POINT for optimal performance; otherwise, set this parameter to NOTPOINT. If you set the value to POINT and the layer contains any nonpoint geometries, the migration might produce invalid data.
Compliance and business risk plays a significant role in the implementation of corporate information systems.The risks associated with these systems are, in general, well known.However, as part of the implementation process, many of these information systems will be populated with legacy data and the compliance and business risks associated with data and content migrations are not necessarily understood.In this context, risks associated with data migration are a direct result of migration error. In the context of data and content migrations, business and compliance risks are a direct result of data migration error but a thorough testing strategy minimizes the likelihood of data and content migration errors.The list below provides a set of recommendations to define such a testing strategy for a specific system:. Establish a comprehensive migration team, including representatives from the user community, IT and management. Verify the appropriate level of experience for each team member and train as required on data migration principles, the source and the destination system.
Analyze business and compliance risks with the specific systems being migrated. These risks should become the basis for the data migration testing strategy. Create, formally review and manage a complete migration specification – While it’s easy to state, very few migrations take this step.
Verify the scope of the migration with the user community and IT. Understand that the scope of the migration may be refined over time as pre- and post-migration testing may reveal shortcomings of this initial scope.
Identify (or predict) likely sources of migration error and define specific testing strategies to identify and remediate these errors. This gets easier with experience and the error categories and conditions listed here provide a good starting point. Use the field-level source to destination mappings to establish data requirements for the source system. Use these data requirements to complete pre-migration testing. If necessary, cleanse or supplement the source data as necessary. Complete an appropriate level of post migration testing. For migrations where errors need to be minimized, 100% verification using an automated tool is recommended.
Ensure that this automated testing tool is independent of the migration tool. Look closely at the ROI of automated testing if there is some concern about the costs, time commitment or the iterative nature of migration verification via sampling.
Complete User Acceptance Testing with migrated data. This approach tends to identify application errors with data that has been migrated as designed. Test the production run. If an automated testing tool was chosen, it is likely that 100% of the migrated data can be tested here with minimal incremental cost or downtime. If a manual testing approach is being used, complete a summary verification.
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