diff --git a/Back-End/sql/crud.sql b/Back-End/sql/crud.sql
index e69de29..eef272e 100644
--- a/Back-End/sql/crud.sql
+++ b/Back-End/sql/crud.sql
@@ -0,0 +1,142 @@
+-- CRUD Operations for RetailPulse Backend
+-- This file contains basic Create, Read, Update, Delete operations for each table.
+
+-- ===========================================
+-- AMAZON SALE REPORT
+-- ===========================================
+
+-- CREATE: Insert a new record into amazon_sale_report
+INSERT INTO amazon_sale_report (order_id, date, amount, sku)
+VALUES (?, ?, ?, ?);
+
+-- READ: Select all records from amazon_sale_report
+SELECT * FROM amazon_sale_report;
+
+-- READ: Select a specific record by order_id
+SELECT * FROM amazon_sale_report WHERE order_id = ?;
+
+-- UPDATE: Update amount for a specific order_id
+UPDATE amazon_sale_report SET amount = ? WHERE order_id = ?;
+
+-- DELETE: Delete a record by order_id
+DELETE FROM amazon_sale_report WHERE order_id = ?;
+
+-- ===========================================
+-- CLOUD WAREHOUSE COMPARISON
+-- ===========================================
+
+-- CREATE: Insert a new comparison record
+INSERT INTO cloud_warehouse_comparison (shiprocket, increff)
+VALUES (?, ?);
+
+-- READ: Select all comparison records
+SELECT * FROM cloud_warehouse_comparison;
+
+-- READ: Select a specific record by id (assuming auto-increment id)
+SELECT * FROM cloud_warehouse_comparison WHERE id = ?;
+
+-- UPDATE: Update shiprocket value for a specific id
+UPDATE cloud_warehouse_comparison SET shiprocket = ? WHERE id = ?;
+
+-- DELETE: Delete a record by id
+DELETE FROM cloud_warehouse_comparison WHERE id = ?;
+
+-- ===========================================
+-- EXPENSE IIGF
+-- ===========================================
+
+-- CREATE: Insert a new expense record
+INSERT INTO expense_iigf (received_amount, expense)
+VALUES (?, ?);
+
+-- READ: Select all expense records
+SELECT * FROM expense_iigf;
+
+-- READ: Select a specific record by id
+SELECT * FROM expense_iigf WHERE id = ?;
+
+-- UPDATE: Update received_amount for a specific id
+UPDATE expense_iigf SET received_amount = ? WHERE id = ?;
+
+-- DELETE: Delete a record by id
+DELETE FROM expense_iigf WHERE id = ?;
+
+-- ===========================================
+-- INTERNATIONAL SALE REPORT
+-- ===========================================
+
+-- CREATE: Insert a new international sale record
+INSERT INTO international_sale_report (date, customer, sku, pcs, rate, gross_amt)
+VALUES (?, ?, ?, ?, ?, ?);
+
+-- READ: Select all international sale records
+SELECT * FROM international_sale_report;
+
+-- READ: Select records for a specific customer
+SELECT * FROM international_sale_report WHERE customer = ?;
+
+-- UPDATE: Update pcs for a specific record (assuming id)
+UPDATE international_sale_report SET pcs = ? WHERE id = ?;
+
+-- DELETE: Delete a record by id
+DELETE FROM international_sale_report WHERE id = ?;
+
+-- ===========================================
+-- MAY 2022 PRICING
+-- ===========================================
+
+-- CREATE: Insert a new pricing record
+INSERT INTO may_2022_pricing (sku, style_id, category, tp, ajio_mrp)
+VALUES (?, ?, ?, ?, ?);
+
+-- READ: Select all pricing records
+SELECT * FROM may_2022_pricing;
+
+-- READ: Select records for a specific sku
+SELECT * FROM may_2022_pricing WHERE sku = ?;
+
+-- UPDATE: Update tp for a specific sku
+UPDATE may_2022_pricing SET tp = ? WHERE sku = ?;
+
+-- DELETE: Delete a record by sku
+DELETE FROM may_2022_pricing WHERE sku = ?;
+
+-- ===========================================
+-- P&L MARCH 2021
+-- ===========================================
+
+-- CREATE: Insert a new P&L record
+INSERT INTO pl_march_2021 (sku, style_id, category, tp_1, ajio_mrp)
+VALUES (?, ?, ?, ?, ?);
+
+-- READ: Select all P&L records
+SELECT * FROM pl_march_2021;
+
+-- READ: Select records for a specific sku
+SELECT * FROM pl_march_2021 WHERE sku = ?;
+
+-- UPDATE: Update tp_1 for a specific sku
+UPDATE pl_march_2021 SET tp_1 = ? WHERE sku = ?;
+
+-- DELETE: Delete a record by sku
+DELETE FROM pl_march_2021 WHERE sku = ?;
+
+-- ===========================================
+-- SALE REPORT
+-- ===========================================
+
+-- CREATE: Insert a new sale report record
+INSERT INTO sale_report (sku_code, design_no, stock)
+VALUES (?, ?, ?);
+
+-- READ: Select all sale report records
+SELECT * FROM sale_report;
+
+-- READ: Select records for a specific sku_code
+SELECT * FROM sale_report WHERE sku_code = ?;
+
+-- UPDATE: Update stock for a specific sku_code
+UPDATE sale_report SET stock = ? WHERE sku_code = ?;
+
+-- DELETE: Delete a record by sku_code
+DELETE FROM sale_report WHERE sku_code = ?;
diff --git a/Back-End/sql/queries.sql b/Back-End/sql/queries.sql
index e69de29..1db260c 100644
--- a/Back-End/sql/queries.sql
+++ b/Back-End/sql/queries.sql
@@ -0,0 +1,135 @@
+-- Analytical Queries for RetailPulse Backend
+-- This file contains various analytical queries for each table.
+
+-- ===========================================
+-- AMAZON SALE REPORT
+-- ===========================================
+
+-- Total sales amount
+SELECT SUM(amount) AS total_sales FROM amazon_sale_report;
+
+-- Average sales amount per order
+SELECT AVG(amount) AS avg_sales_per_order FROM amazon_sale_report;
+
+-- Top 10 SKUs by total sales amount
+SELECT sku, SUM(amount) AS total_amount
+FROM amazon_sale_report
+GROUP BY sku
+ORDER BY total_amount DESC
+LIMIT 10;
+
+-- Sales by date (daily totals)
+SELECT date, SUM(amount) AS daily_sales
+FROM amazon_sale_report
+GROUP BY date
+ORDER BY date;
+
+-- ===========================================
+-- CLOUD WAREHOUSE COMPARISON
+-- ===========================================
+
+-- Average shiprocket and increff values
+SELECT AVG(shiprocket) AS avg_shiprocket, AVG(increff) AS avg_increff
+FROM cloud_warehouse_comparison;
+
+-- Comparison summary (count, min, max)
+SELECT
+    COUNT(*) AS total_records,
+    MIN(shiprocket) AS min_shiprocket,
+    MAX(shiprocket) AS max_shiprocket,
+    MIN(increff) AS min_increff,
+    MAX(increff) AS max_increff
+FROM cloud_warehouse_comparison;
+
+-- ===========================================
+-- EXPENSE IIGF
+-- ===========================================
+
+-- Total received amount
+SELECT SUM(received_amount) AS total_received FROM expense_iigf;
+
+-- Expenses grouped by type
+SELECT expense, SUM(received_amount) AS total_amount
+FROM expense_iigf
+GROUP BY expense
+ORDER BY total_amount DESC;
+
+-- ===========================================
+-- INTERNATIONAL SALE REPORT
+-- ===========================================
+
+-- Total gross amount
+SELECT SUM(gross_amt) AS total_gross_sales FROM international_sale_report;
+
+-- Sales by customer
+SELECT customer, SUM(gross_amt) AS total_sales
+FROM international_sale_report
+GROUP BY customer
+ORDER BY total_sales DESC;
+
+-- Average rate and pcs per sale
+SELECT AVG(rate) AS avg_rate, AVG(pcs) AS avg_pcs FROM international_sale_report;
+
+-- Sales by date
+SELECT date, SUM(gross_amt) AS daily_gross_sales
+FROM international_sale_report
+GROUP BY date
+ORDER BY date;
+
+-- ===========================================
+-- MAY 2022 PRICING
+-- ===========================================
+
+-- Average TP and Ajio MRP
+SELECT AVG(tp) AS avg_tp, AVG(ajio_mrp) AS avg_ajio_mrp FROM may_2022_pricing;
+
+-- Pricing by category
+SELECT category, AVG(tp) AS avg_tp, AVG(ajio_mrp) AS avg_ajio_mrp
+FROM may_2022_pricing
+GROUP BY category;
+
+-- Top 10 SKUs by TP
+SELECT sku, tp
+FROM may_2022_pricing
+ORDER BY tp DESC
+LIMIT 10;
+
+-- ===========================================
+-- P&L MARCH 2021
+-- ===========================================
+
+-- Average TP 1 and Ajio MRP
+SELECT AVG(tp_1) AS avg_tp_1, AVG(ajio_mrp) AS avg_ajio_mrp FROM pl_march_2021;
+
+-- P&L by category
+SELECT category, AVG(tp_1) AS avg_tp_1, AVG(ajio_mrp) AS avg_ajio_mrp
+FROM pl_march_2021
+GROUP BY category;
+
+-- Top 10 SKUs by TP 1
+SELECT sku, tp_1
+FROM pl_march_2021
+ORDER BY tp_1 DESC
+LIMIT 10;
+
+-- ===========================================
+-- SALE REPORT
+-- ===========================================
+
+-- Total stock across all SKUs
+SELECT SUM(stock) AS total_stock FROM sale_report;
+
+-- Average stock per SKU
+SELECT AVG(stock) AS avg_stock FROM sale_report;
+
+-- Top 10 SKUs by stock
+SELECT sku_code, stock
+FROM sale_report
+ORDER BY stock DESC
+LIMIT 10;
+
+-- Stock by design number
+SELECT design_no, SUM(stock) AS total_stock
+FROM sale_report
+GROUP BY design_no
+ORDER BY total_stock DESC;