diff --git a/collection/collect.py b/collection/collect.py
index a47f149..b238bc3 100644
--- a/collection/collect.py
+++ b/collection/collect.py
@@ -13,7 +13,7 @@
 MAX_STARS = None
 
 # File to load/save the data
-FILE = '../docs/projects.xlsx'
+FILE = '../resources/projects.xlsx'
 
 
 def load():
diff --git a/collection/download.py b/collection/download.py
index eae4103..fcaa99a 100644
--- a/collection/download.py
+++ b/collection/download.py
@@ -4,7 +4,7 @@
 import pandas as pd
 
 # File to load the data with repositories
-REPO_FILE = '../docs/annotated.xlsx'
+REPO_FILE = '../resources/annotated.xlsx'
 
 # Dir to clone/update repositories
 REPO_DIR = os.path.abspath('../repos')
diff --git a/collection/reset.py b/collection/reset.py
index aaa0ca8..865ee81 100644
--- a/collection/reset.py
+++ b/collection/reset.py
@@ -4,7 +4,7 @@
 import pandas as pd
 
 # File to load the data with repositories
-REPO_FILE = '../docs/annotated.xlsx'
+REPO_FILE = '../resources/annotated.xlsx'
 
 # Dir to clone/update repositories
 REPO_DIR = os.path.abspath('../repos')
diff --git a/extraction/extract-db.py b/extraction/extract-db.py
index 63abd83..f22f573 100644
--- a/extraction/extract-db.py
+++ b/extraction/extract-db.py
@@ -4,7 +4,7 @@
 import pandas as pd
 
 # File to load the data with repositories
-REPO_FILE = '../docs/annotated.xlsx'
+REPO_FILE = '../resources/annotated.xlsx'
 
 # Dir to clone/update repositories
 REPO_DIR = os.path.abspath('../repos')
diff --git a/docs/annotated.xlsx b/resources/annotated.xlsx
similarity index 100%
rename from docs/annotated.xlsx
rename to resources/annotated.xlsx
diff --git a/resources/create-database.sql b/resources/create-database.sql
new file mode 100644
index 0000000..96e257a
--- /dev/null
+++ b/resources/create-database.sql
@@ -0,0 +1,55 @@
+CREATE DATABASE db-mining;
+
+CREATE TABLE project (
+   project_id INTEGER PRIMARY KEY AUTOINCREMENT,
+   owner TEXT,
+   name TEXT,
+   language TEXT, 
+   domain TEXT
+); 
+
+CREATE TABLE project_version (
+   version_id INTEGER PRIMARY KEY AUTOINCREMENT, 
+   version TEXT, 
+   last BOOLEAN,
+   project_id INTEGER,
+   FOREIGN KEY (project_id) REFERENCES project (project_id) ON DELETE RESTRICT
+);
+
+CREATE TABLE database_type (
+   type_id INTEGER PRIMARY KEY AUTOINCREMENT, 
+   name TEXT
+);
+
+
+CREATE TABLE database (
+   database_id INTEGER PRIMARY KEY AUTOINCREMENT,
+   name TEXT, 
+   type_id INTEGER,
+   FOREIGN KEY (type_id) REFERENCES database_type (type_id) ON DELETE RESTRICT 
+);
+
+CREATE TABLE project_database (
+   project_id INTEGER NOT NULL, 
+   database_id INTEGER NOT NULL,
+   PRIMARY KEY (project_id, database_id),
+   FOREIGN KEY (project_id) REFERENCES project (project_id) ON DELETE RESTRICT,
+   FOREIGN KEY (database_id) REFERENCES database (database_id) ON DELETE RESTRICT
+);
+
+CREATE TABLE strategy (
+   strategy_id INTEGER PRIMARY KEY AUTOINCREMENT, 
+   type TEXT,
+   name TEXT
+); 
+
+CREATE TABLE project_strategy (
+   project_id INTEGER NOT NULL, 
+   strategy_id INTEGER NOT NULL, 
+   PRIMARY KEY (project_id, strategy_id),
+   FOREIGN KEY (project_id) REFERENCES project (project_id) ON DELETE RESTRICT,
+   FOREIGN KEY (strategy_id) REFERENCES strategy (strategy_id) ON DELETE RESTRICT
+);   
+   
+
+   
diff --git a/resources/db-mining.db b/resources/db-mining.db
new file mode 100644
index 0000000..f329ce5
Binary files /dev/null and b/resources/db-mining.db differ
diff --git a/docs/filtered.xlsx b/resources/filtered.xlsx
similarity index 100%
rename from docs/filtered.xlsx
rename to resources/filtered.xlsx
diff --git a/docs/heuristics-db-connection.xlsx b/resources/heuristics-db-connection.xlsx
similarity index 100%
rename from docs/heuristics-db-connection.xlsx
rename to resources/heuristics-db-connection.xlsx
diff --git a/docs/popular-dbs.xlsx b/resources/popular-dbs.xlsx
similarity index 85%
rename from docs/popular-dbs.xlsx
rename to resources/popular-dbs.xlsx
index 2e2768b..9433264 100644
Binary files a/docs/popular-dbs.xlsx and b/resources/popular-dbs.xlsx differ
diff --git a/docs/projects.xlsx b/resources/projects.xlsx
similarity index 100%
rename from docs/projects.xlsx
rename to resources/projects.xlsx