Corrected the Schema

Author: thecoddiwompler

Last Person to Fit in the Bus/schema.sql

@@ -1,8 +1,40 @@
-Create table If Not Exists Queue (person_id int, person_name varchar(30), weight int, turn int)
-Truncate table Queue
-insert into Queue (person_id, person_name, weight, turn) values ('5', 'Alice', '250', '1')
-insert into Queue (person_id, person_name, weight, turn) values ('4', 'Bob', '175', '5')
-insert into Queue (person_id, person_name, weight, turn) values ('3', 'Alex', '350', '2')
-insert into Queue (person_id, person_name, weight, turn) values ('6', 'John Cena', '400', '3')
-insert into Queue (person_id, person_name, weight, turn) values ('1', 'Winston', '500', '6')
-insert into Queue (person_id, person_name, weight, turn) values ('2', 'Marie', '200', '4')
+CREATE TABLE IF NOT EXISTS Queue (
+    person_id int,
+    person_name varchar(30),
+    weight int,
+    turn int
+);
+
+TRUNCATE TABLE Queue;
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('5', 'Alice', '250', '1');
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('4', 'Bob', '175', '5');
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('3', 'Alex', '350', '2');
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('6', 'John Cena', '400', '3');
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('1', 'Winston', '500', '6');
+
+INSERT INTO
+    Queue (person_id, person_name, weight, turn)
+VALUES
+    ('2', 'Marie', '200', '4');
+
+COMMIT;

Manager with at Least 5 direct Reportees/schema.sql

@@ -1,8 +1,40 @@
-Create table If Not Exists Employee (id int, name varchar(255), department varchar(255), managerId int)
-Truncate table Employee
-insert into Employee (id, name, department, managerId) values ('101', 'John', 'A', 'None')
-insert into Employee (id, name, department, managerId) values ('102', 'Dan', 'A', '101')
-insert into Employee (id, name, department, managerId) values ('103', 'James', 'A', '101')
-insert into Employee (id, name, department, managerId) values ('104', 'Amy', 'A', '101')
-insert into Employee (id, name, department, managerId) values ('105', 'Anne', 'A', '101')
-insert into Employee (id, name, department, managerId) values ('106', 'Ron', 'B', '101')
+CREATE TABLE IF NOT EXISTS Employee (
+    id int,
+    name varchar(255),
+    department varchar(255),
+    managerId int
+);
+
+TRUNCATE TABLE Employee;
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('101', 'John', 'A', NULL);
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('102', 'Dan', 'A', 101);
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('103', 'James', 'A', 101);
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('104', 'Amy', 'A', 101);
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('105', 'Anne', 'A', 101);
+
+INSERT INTO
+    Employee (id, name, department, managerId)
+VALUES
+    ('106', 'Ron', 'B', 101);
+
+COMMIT;

Monthly Transactions/schema.sql

@@ -1,6 +1,31 @@
-Create table If Not Exists Transactions (id int, country varchar(4), state enum('approved', 'declined'), amount int, trans_date date)
-Truncate table Transactions
-insert into Transactions (id, country, state, amount, trans_date) values ('121', 'US', 'approved', '1000', '2018-12-18')
-insert into Transactions (id, country, state, amount, trans_date) values ('122', 'US', 'declined', '2000', '2018-12-19')
-insert into Transactions (id, country, state, amount, trans_date) values ('123', 'US', 'approved', '2000', '2019-01-01')
-insert into Transactions (id, country, state, amount, trans_date) values ('124', 'DE', 'approved', '2000', '2019-01-07')
+CREATE TABLE IF NOT EXISTS Transactions (
+    id int,
+    country varchar(4),
+    state enum('approved', 'declined'),
+    amount int,
+    trans_date date
+);
+
+TRUNCATE TABLE Transactions;
+
+INSERT INTO
+    Transactions (id, country, state, amount, trans_date)
+VALUES
+    ('121', 'US', 'approved', '1000', '2018-12-18');
+
+INSERT INTO
+    Transactions (id, country, state, amount, trans_date)
+VALUES
+    ('122', 'US', 'declined', '2000', '2018-12-19');
+
+INSERT INTO
+    Transactions (id, country, state, amount, trans_date)
+VALUES
+    ('123', 'US', 'approved', '2000', '2019-01-01');
+
+INSERT INTO
+    Transactions (id, country, state, amount, trans_date)
+VALUES
+    ('124', 'DE', 'approved', '2000', '2019-01-07');
+
+COMMIT;

Product Price at a Given Date/schema.sql

@@ -1,8 +1,35 @@
-Create table If Not Exists Products (product_id int, new_price int, change_date date)
-Truncate table Products
-insert into Products (product_id, new_price, change_date) values ('1', '20', '2019-08-14')
-insert into Products (product_id, new_price, change_date) values ('2', '50', '2019-08-14')
-insert into Products (product_id, new_price, change_date) values ('1', '30', '2019-08-15')
-insert into Products (product_id, new_price, change_date) values ('1', '35', '2019-08-16')
-insert into Products (product_id, new_price, change_date) values ('2', '65', '2019-08-17')
-insert into Products (product_id, new_price, change_date) values ('3', '20', '2019-08-18')
+CREATE TABLE IF NOT EXISTS Products (product_id int, new_price int, change_date date);
+
+TRUNCATE TABLE Products;
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('1', '20', '2019-08-14');
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('2', '50', '2019-08-14');
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('1', '30', '2019-08-15');
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('1', '35', '2019-08-16');
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('2', '65', '2019-08-17');
+
+INSERT INTO
+    Products (product_id, new_price, change_date)
+VALUES
+    ('3', '20', '2019-08-18');
+
+COMMIT;