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Update README.md

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Martijn Schuemie 2014-10-14 17:00:28 -04:00
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PostgreSQL/README.md
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Common-Data-Model
Common-Data-Model / PostgreSQL
=================
Specifications and related files for the Common Data Model
This folder contains the SQL scripts for PostgreSQL.
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 - PostgreSQL.sql` to create the tables and fields.
3. Load your data into the schema.
4. Execute the script `OMOP CDM constraints - PostgreSQL.sql` to add the constraints (primary and foreign keys).
5. Execute the script `OMOP CDM indexes required - PostgreSQL.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.