window functions sql starter

Author: mayankSystems

src/main/java/dev/mayankg/db_concepts/mysql/exc06/window_funcs_starter.sql

@@ -0,0 +1,46 @@
+-- SELECT CURRENT DATABASE
+SELECT DATABASE();
+
+-- SHOW ALL DATABASES
+SHOW DATABASES;
+
+-- CREATE AND SELECT DATABASE
+CREATE DATABASE win_funcs;
+USE win_funcs;
+
+-- SHOW TABLES IN CURRENT DATABASE
+SHOW TABLES;
+
+-- CREATE TABLE TO STORE EMPLOYEE DATA
+CREATE TABLE employees (
+    emp_no INT PRIMARY KEY AUTO_INCREMENT,
+    department VARCHAR(20),
+    salary INT
+);
+
+-- INSERT SAMPLE DATA INTO employees TABLE
+INSERT INTO employees (department, salary) VALUES
+    ('engineering', 80000),
+    ('engineering', 69000),
+    ('engineering', 70000),
+    ('engineering', 103000),
+    ('engineering', 67000),
+    ('engineering', 89000),
+    ('engineering', 91000),
+    ('sales', 59000),
+    ('sales', 70000),
+    ('sales', 159000),
+    ('sales', 72000),
+    ('sales', 60000),
+    ('sales', 61000),
+    ('sales', 61000),
+    ('customer service', 38000),
+    ('customer service', 45000),
+    ('customer service', 61000),
+    ('customer service', 40000),
+    ('customer service', 31000),
+    ('customer service', 56000),
+    ('customer service', 55000);
+
+-- VIEW ALL RECORDS
+SELECT * FROM employees;