diff --git a/initpg.sh b/initpg.sh
new file mode 100755
index 0000000..4b2a2af
--- /dev/null
+++ b/initpg.sh
@@ -0,0 +1,7 @@
+source ./pg.env
+
+pg_ctl init
+
+mkdir -p "$PGDATA/sockets"
+echo "unix_socket_directories = 'sockets'" >> "$PGDATA/postgresql.conf"
+echo "listen_addresses = ''" >> "$PGDATA/postgresql.conf"
diff --git a/pg.env b/pg.env
new file mode 100644
index 0000000..3b9f7f7
--- /dev/null
+++ b/pg.env
@@ -0,0 +1,4 @@
+export PGDATA="$PWD/pgdata"
+export PGHOST="$PGDATA/sockets"
+export PGDATABASE="postgres"
+export PGUSER="$USER"
diff --git a/phrasedb.sql b/phrasedb.sql
index 8afa02e..03cdd5b 100644
--- a/phrasedb.sql
+++ b/phrasedb.sql
@@ -1,12 +1,25 @@
-CREATE TABLE IF NOT EXISTS phrases (
-  id       INTEGER PRIMARY KEY,
-  sourceid INTEGER,
-  phrase   TEXT UNIQUE,
+DROP TABLE phrases;
+DROP TABLE sources;
+DROP TABLE CORPORA;
 
-  FOREIGN KEY (sourceid) REFERENCES sources(sourceid)
+CREATE TABLE IF NOT EXISTS corpora (
+  id   char(7) PRIMARY KEY,
+  name TEXT UNIQUE
 );
 
 CREATE TABLE IF NOT EXISTS sources (
-  id INTEGER PRIMARY KEY,
-  name TEXT UNIQUE
+  id       char(7) PRIMARY KEY,
+  corpusid char(7) NOT NULL,
+  name     TEXT UNIQUE,
+
+  FOREIGN KEY (corpusid) REFERENCES corpora(id) ON DELETE CASCADE
 );
+
+CREATE TABLE IF NOT EXISTS phrases (
+  id       SERIAL PRIMARY KEY,
+  sourceid char(7) NOT NULL,
+  phrase   TEXT,
+
+  FOREIGN KEY (sourceid) REFERENCES sources(id) ON DELETE CASCADE
+);
+
diff --git a/startpg.sh b/startpg.sh
new file mode 100755
index 0000000..6f6dd8b
--- /dev/null
+++ b/startpg.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+source ./pg.env
+
+pg_ctl start