| Title: Migrate Changes between Model and Database |
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| <H3><A name="MigrateChangesbetweenModelandDatabase-IntroductiontoMerging"></A>Introduction to Merging</H3> |
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| <P>After working some time with the model and/or the database, it can be a lot of work to make sure they are in sync. E.g. A table has been added/removed, a varchar column has a different max length and so on. The merge functionality in the modeler handle all of this.</P> |
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| <H3><A name="MigrateChangesbetweenModelandDatabase-Stepbystep"></A>Step by step</H3> |
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| <P>Open the model in the modeler and select the DataMap.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-select-datamap.png" style="border: 0px solid black"></SPAN></P> |
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| <P>Select Tools->Migrate Database Schema.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-menu.png" style="border: 0px solid black"></SPAN></P> |
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| <P>Enter or select data source information.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-db-connect.png" style="border: 0px solid black"></SPAN></P> |
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| <P>All detected changes will be listed as separate tokens.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-detected-changes.png" style="border: 0px solid black"></SPAN></P> |
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| <P>Select tokens and their direction. "To Model" mean that the change is to be made from the database to the model. "To DB" mean that opposite.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-select-tokens.png" style="border: 0px solid black"></SPAN></P> |
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| <P>It is also possible to see the generated SQL for the selected "To DB" tokens.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-generated-sql.png" style="border: 0px solid black"></SPAN></P> |
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| <P>At last, press Migrate to execute the selected operations. Problems will be reported in a dialog. Operations that succeeded will be removed from the list.</P> |
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| <P><SPAN class="image-wrap" style=""><IMG src="migrate-changes-between-model-and-database.data/merge-complete.png" style="border: 0px solid black"></SPAN></P> |
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