diff --git a/db_schema.sql b/db_schema.sql
index a5836b9..5ae1bfc 100644
--- a/db_schema.sql
+++ b/db_schema.sql
@@ -1,17 +1,17 @@
-CREATE TABLE entities (
+CREATE TABLE IF NOT EXISTS entities (
     cik INT PRIMARY KEY,               -- CIK is now the primary key, ensuring uniqueness
     name VARCHAR(255) NOT NULL  -- Name of the company
 );
 
-CREATE TABLE facts (
+CREATE TABLE IF NOT EXISTS facts (
     id VARCHAR(255) PRIMARY KEY, -- Unique identifier for the fact
     taxonomy VARCHAR(255),       -- Taxonomy of the fact
     label VARCHAR(255),       -- Label of the fact
     description TEXT, -- Description of the fact
-    unit VARCHAR(255),           -- Unit of the fact
+    unit VARCHAR(255)           -- Unit of the fact
 );
 
-CREATE TABLE data (
+CREATE TABLE IF NOT EXISTS data (
     cik INT,                            -- CIK of the company
     fact_id VARCHAR(255),                 
     start DATE,                        -- Start date of the fact
@@ -23,7 +23,7 @@ CREATE TABLE data (
     form VARCHAR(255),
     filed DATE,
     frame VARCHAR(255),
-    PRIMARY KEY (cik, label)
+    PRIMARY KEY (cik, fact_id),
     FOREIGN KEY (cik) REFERENCES entities(cik),
     FOREIGN KEY (fact_id) REFERENCES facts(id)
 );
diff --git a/stockdb.session.sql b/stockdb.session.sql
new file mode 100644
index 0000000..5ae1bfc
--- /dev/null
+++ b/stockdb.session.sql
@@ -0,0 +1,29 @@
+CREATE TABLE IF NOT EXISTS entities (
+    cik INT PRIMARY KEY,               -- CIK is now the primary key, ensuring uniqueness
+    name VARCHAR(255) NOT NULL  -- Name of the company
+);
+
+CREATE TABLE IF NOT EXISTS facts (
+    id VARCHAR(255) PRIMARY KEY, -- Unique identifier for the fact
+    taxonomy VARCHAR(255),       -- Taxonomy of the fact
+    label VARCHAR(255),       -- Label of the fact
+    description TEXT, -- Description of the fact
+    unit VARCHAR(255)           -- Unit of the fact
+);
+
+CREATE TABLE IF NOT EXISTS data (
+    cik INT,                            -- CIK of the company
+    fact_id VARCHAR(255),                 
+    start DATE,                        -- Start date of the fact
+    end DATE,
+    val INT,
+    accn VARCHAR(255),
+    fy INT,
+    fp VARCHAR(255),
+    form VARCHAR(255),
+    filed DATE,
+    frame VARCHAR(255),
+    PRIMARY KEY (cik, fact_id),
+    FOREIGN KEY (cik) REFERENCES entities(cik),
+    FOREIGN KEY (fact_id) REFERENCES facts(id)
+);
diff --git a/write_to_db.py b/write_to_db.py
index 95bd095..70a45f8 100644
--- a/write_to_db.py
+++ b/write_to_db.py
@@ -1,3 +1,4 @@
+import mariadb
 import json
 
 # Step 1: Load the JSON data from a file