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+---
+type: docs
+title: "PostreSQL"
+linkTitle: "PostreSQL"
+description: 'PostgreSQL reference'
+weight: 80
+---
+
+PostgreSQL can be used by the Spice runtime as a dataset source, a data store, or for federated SQL query.
+
+## Dataset Source/Federated SQL Query
+
+To use PostgreSQL as a dataset source or for federated SQL query, specify `postgres` as the selector in the `from` value for the dataset.
+
+```yaml
+datasets:
+  - from: postgres:path.to.my_dataset
+    name: my_dataset
+```
+
+## Data Store
+
+To use PostgreSQL as a data store for dataset acceleration, specify `postgres` as the `engine` for the dataset.
+
+```yaml
+datasets:
+  - from: spiceai:path.to.my_dataset
+    name: my_dataset
+    acceleration:
+        engine: postgres
+```
+
+## Configuration
+
+The connection to PostgreSQL can be configured by providing the following `params`:
+
+- `pg_host`: The hostname of the PostgreSQL server.
+- `pg_port`: The port of the PostgreSQL server.
+- `pg_db`: The name of the database to connect to.
+- `pg_user`: The username to connect with.
+- `pg_pass_key`: The secret key containing the password to connect with.
+- `pg_pass`: The raw password to connect with, ignored if `pg_pass_key` is provided.
+
+Configuration `params` are provided either in the top level `dataset` for a dataset source and federated SQL query, or in the `acceleration` section for a data store.
+
+### Dataset Source/Federated SQL Query
+
+```yaml
+datasets:
+  - from: postgres:path.to.my_dataset
+    name: my_dataset
+    params:
+        pg_host: localhost
+        pg_port: 5432
+        pg_db: my_database
+        pg_user: my_user
+        pg_pass_key: my_secret
+```
+
+### Data Store
+
+```yaml
+datasets:
+  - from: spiceai:path.to.my_dataset
+    name: my_dataset
+    acceleration:
+        engine: postgres
+        params:
+          pg_host: localhost
+          pg_port: 5432
+          pg_db: my_database
+          pg_user: my_user
+          pg_pass_key: my_secret
+```
+
+Additionally, an `engine_secret` may be provided when configuring a PostgreSQL data store to allow for using a different secret store to specify the password for a dataset using PostgreSQL as both the data source and data store.
+
+```yaml
+datasets:
+  - from: spiceai:path.to.my_dataset
+    name: my_dataset
+    params:
+        pg_host: localhost
+        pg_port: 5432
+        pg_db: data_store
+        pg_user: my_user
+        pg_pass_key: my_secret
+    acceleration:
+        engine: postgres
+        engine_secret: pg_backend
+        params:
+            pg_host: localhost
+            pg_port: 5433
+            pg_db: data_store
+            pg_user: my_user
+            pg_pass_key: my_secret
+```
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