diff --git a/cps-ri/src/main/resources/schema.sql b/cps-ri/src/main/resources/schema.sql
index 3fabc6c..d47f261 100755
--- a/cps-ri/src/main/resources/schema.sql
+++ b/cps-ri/src/main/resources/schema.sql
@@ -17,6 +17,30 @@
     ID SERIAL PRIMARY KEY
 );
 
+CREATE TABLE IF NOT EXISTS SCHEMA_SET
+(
+    ID SERIAL PRIMARY KEY,
+    NAME TEXT NOT NULL,
+    DATASPACE_ID BIGINT NOT NULL,
+    UNIQUE (NAME, DATASPACE_ID),
+    CONSTRAINT SCHEMA_SET_DATASPACE FOREIGN KEY (DATASPACE_ID) REFERENCES DATASPACE(ID) ON UPDATE CASCADE ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS YANG_RESOURCE
+(
+    ID SERIAL PRIMARY KEY,
+    CHECKSUM TEXT NOT NULL,
+    CONTENT TEXT NOT NULL,
+    UNIQUE (CHECKSUM)
+);
+
+CREATE TABLE IF NOT EXISTS SCHEMA_SET_YANG_RESOURCES
+(
+    SCHEMA_SET_ID BIGINT NOT NULL,
+    YANG_RESOURCE_ID BIGINT NOT NULL REFERENCES YANG_RESOURCE(ID),
+    CONSTRAINT SCHEMA_SET_RESOURCE FOREIGN KEY (SCHEMA_SET_ID) REFERENCES SCHEMA_SET(ID) ON DELETE CASCADE
+);
+
 CREATE TABLE IF NOT EXISTS MODULE
 (
     ID SERIAL PRIMARY KEY,
@@ -62,4 +86,4 @@
 CREATE INDEX  IF NOT EXISTS "FKI_RELATIONS_FROM_ID_FK"         ON RELATION USING BTREE(FROM_FRAGMENT_ID);
 CREATE INDEX  IF NOT EXISTS "FKI_RELATIONS_TO_ID_FK"           ON RELATION USING BTREE(TO_FRAGMENT_ID);
 CREATE INDEX  IF NOT EXISTS "PERF_MODULE_MODULE_CONTENT"       ON MODULE USING BTREE(MODULE_CONTENT);
-CREATE UNIQUE INDEX  IF NOT EXISTS "UQ_FRAGMENT_XPATH"ON FRAGMENT USING btree(xpath COLLATE pg_catalog."default" text_pattern_ops, dataspace_id);
\ No newline at end of file
+CREATE UNIQUE INDEX  IF NOT EXISTS "UQ_FRAGMENT_XPATH"ON FRAGMENT USING btree(xpath COLLATE pg_catalog."default" text_pattern_ops, dataspace_id);