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Update README.md

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Martijn Schuemie 2014-10-14 16:57:36 -04:00
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Common-Data-Model
Common-Data-Model / Oracle
=================
Specifications and related files for the Common Data Model
This folder contains the SQL scripts for Oracle.
In order to create your instantiation of the Common Data Model, we recommend following these steps:
1. Create an empty schema.
2. Execute the script `OMOP CDM ddl - Oracle.sql` to create the tables and fields.
3. Load your data into the schema.
4. Execute the script `OMOP CDM constraints - Oracle.sql` to add the constraints (primary and foreign keys).
5. Execute the script `OMOP CDM indexes required - Oracle - With constraints.sql` to add the minimum set of indexes we recommend.
Note: you could also apply the constraints and/or the indexes before loading the data, but this will slow down the insertion of the data considerably.
Also note: you can apply the indexes without first applying the constraints, but then we recommend you use the script `OMOP CDM indexes required - Oracle - Without constraints.sql`. (This script will also create the indexes that would normally be automatically created by the primary key constraints.)