 CREATE TABLE clientes (
  id_cliente SERIAL PRIMARY KEY,
  nome VARCHAR(100),
  cpf VARCHAR(14),
  telefone VARCHAR(20),
  data_nascimento DATE
);

INSERT INTO clientes (nome, cpf, telefone, data_nascimento) VALUES
  ('João Silva', '123.456.789-01', '(11) 1234-5678', '1990-05-15'),
  ('Maria Santos', '987.654.321-09', '(22) 9876-5432', '1985-09-25'),
  ('Pedro Oliveira', '456.789.123-45', '(33) 4567-8901', '1992-07-02'),
  ('Ana Pereira', '321.654.987-90', '(44) 3210-9876', '1988-12-10'),
  ('Carlos Ferreira', '789.123.456-12', '(55) 7890-1234', '1995-03-20'),
  ('Juliana Costa', '654.321.789-90', '(66) 6547-8901', '1991-11-08'),
  ('Fernando Santos', '987.123.654-32', '(77) 9876-5432', '1987-06-30'),
  ('Mariana Lima', '123.789.456-09', '(88) 1234-5678', '1993-04-17'),
  ('Ricardo Almeida', '321.987.654-45', '(99) 3210-9876', '1989-08-12'),
  ('Amanda Oliveira', '456.123.789-12', '(11) 4567-8901', '1994-02-28'),
  ('Luiz Carvalho', '789.456.123-90', '(22) 7890-1234', '1986-10-05'),
  ('Camila Costa', '654.789.321-09', '(33) 6547-8901', '1992-09-13'),
  ('Roberto Souza', '987.456.321-32', '(44) 9876-5432', '1988-03-24'),
  ('Sandra Martins', '123.321.789-01', '(55) 1234-5678', '1995-07-07'),
  ('Fábio Ribeiro', '321.789.456-09', '(66) 3210-9876', '1991-01-19'),
  ('Lívia Gonçalves', '456.321.987-12', '(77) 4567-8901', '1987-04-04'),
  ('Renato Silva', '789.654.321-90', '(88) 7890-1234', '1993-11-22'),
  ('Isabela Pereira', '654.987.123-45', '(99) 6547-8901', '1989-05-09'),
  ('Henrique Oliveira', '987.654.789-32', '(11) 9876-5432', '1994-08-16'),
  ('Patrícia Santos', '123.456.789-01', '(22) 1234-5678', '1990-12-03');
  
 select * from clientes
 
 CREATE TABLE produtos (
  id_produto SERIAL PRIMARY KEY,
  descricao VARCHAR(100),
  codbarras VARCHAR(20),
  marca VARCHAR(50)
);

INSERT INTO produtos (descricao, codbarras, marca) VALUES
  ('Arroz', '7891234567890', 'Marca A'),
  ('Feijão', '1234567890123', 'Marca B'),
  ('Macarrão', '5678901234567', 'Marca C'),
  ('Azeite de oliva', '9012345678901', 'Marca D'),
  ('Leite', '3456789012345', 'Marca E'),
  ('Pão de forma', '7890123456789', 'Marca F'),
  ('Manteiga', '2345678901234', 'Marca G'),
  ('Açúcar', '6789012345678', 'Marca H'),
  ('Sal', '0123456789012', 'Marca I'),
  ('Café', '4567890123456', 'Marca J'),
  ('Óleo de soja', '8901234567890', 'Marca K'),
  ('Farinha de trigo', '3456789012345', 'Marca L'),
  ('Biscoito', '7890123456789', 'Marca M'),
  ('Leite condensado', '2345678901234', 'Marca N'),
  ('Refrigerante', '6789012345678', 'Marca O'),
  ('Água mineral', '0123456789012', 'Marca P'),
  ('Suco de laranja', '4567890123456', 'Marca Q'),
  ('Cereal matinal', '8901234567890', 'Marca R'),
  ('Chocolate', '3456789012345', 'Marca S'),
  ('Sabonete', '7890123456789', 'Marca T'),
  ('Cereal de milho', '1234567890123', 'Marca U'),
  ('Sardinha em lata', '2345678901234', 'Marca V'),
  ('Geleia de morango', '3456789012345', 'Marca W'),
  ('Sorvete de chocolate', '4567890123456', 'Marca X'),
  ('Biscoito de polvilho', '5678901234567', 'Marca Y'),
  ('Iogurte natural', '6789012345678', 'Marca Z'),
  ('Queijo prato', '7890123456789', 'Marca AA'),
  ('Pão de alho', '8901234567890', 'Marca BB'),
  ('Atum enlatado', '9012345678901', 'Marca CC'),
  ('Molho de tomate', '0123456789012', 'Marca DD'),
  ('Arroz integral', '1234567890123', 'Marca A'),
  ('Feijão preto', '2345678901234', 'Marca B'),
  ('Macarrão instantâneo', '3456789012345', 'Marca C'),
  ('Azeite de oliva extra virgem', '4567890123456', 'Marca D'),
  ('Leite desnatado', '5678901234567', 'Marca E'),
  ('Pão francês', '6789012345678', 'Marca F'),
  ('Manteiga com sal', '7890123456789', 'Marca G'),
  ('Açúcar mascavo', '8901234567890', 'Marca H'),
  ('Sal marinho', '9012345678901', 'Marca I'),
  ('Café solúvel', '0123456789012', 'Marca J'),
  ('Biscoito recheado', '1234567890123', 'Marca M'),
  ('Leite condensado', '2345678901234', 'Marca N'),
  ('Refrigerante cola', '3456789012345', 'Marca O'),
  ('Água mineral sem gás', '4567890123456', 'Marca P'),
  ('Suco de uva integral', '5678901234567', 'Marca Q'),
  ('Bolacha de chocolate', '1234567890123', 'Marca M'),
  ('Leite condensado', '2345678901234', 'Marca N'),
  ('Refrigerante de laranja', '3456789012345', 'Marca O'),
  ('Água mineral com gás', '4567890123456', 'Marca P'),
  ('Suco de maracujá concentrado', '5678901234567', 'Marca M')

 select * from produtos

 CREATE TABLE pedidos (
  codigo_pedido VARCHAR(50),
  id_cliente INT REFERENCES clientes (id_cliente),
  id_produto INT REFERENCES produtos (id_produto),
  data_pedido DATE,
  quantidade INT,
  preco numeric(12,5)
);

INSERT INTO pedidos (codigo_pedido, id_cliente, id_produto, data_pedido, quantidade, preco) VALUES
  ('PED001', 1, 1, '2023-06-01', 2, 10.99),
  ('PED002', 2, 3, '2023-06-23', 1, 5.99),
  ('PED003', 3, 2, '2023-06-25', 3, 15.99),
  ('PED004', 1, 4, '2023-06-27', 2, 8.99),
  ('PED005', 4, 5, '2023-06-29', 1, 6.99),
  ('PED006', 2, 1, '2023-06-06', 4, 19.99),
  ('PED007', 3, 3, '2023-06-07', 2, 11.99),
  ('PED008', 1, 2, '2023-06-08', 1, 5.99),
  ('PED009', 4, 4, '2023-06-09', 3, 13.99),
  ('PED010', 2, 5, '2023-06-10', 2, 9.99),
  ('PED001', 3, 2, '2023-06-22', 20, 199.99),
  ('PED001', 2, 1, '2023-06-12', 10, 99.99),
  ('PED002', 1, 4, '2023-06-13', 30, 299.99),
  ('PED002', 4, 5, '2023-06-14', 20, 199.99),
  ('PED003', 2, 3, '2023-06-15', 10, 119.99),
  ('PED003', 1, 2, '2023-06-16', 30, 299.99),
  ('PED004', 4, 4, '2023-06-17', 10, 129.99),
  ('PED004', 3, 3, '2023-06-18', 20, 239.99),
  ('PED005', 1, 5, '2023-06-19', 10, 109.99),
  ('PED005', 2, 1, '2023-06-20', 30, 299.99),
  ('PED001', 4, 2, '2023-06-21', 20, 199.99),
  ('PED001', 3, 1, '2023-06-22', 10, 99.99),
  ('PED002', 2, 4, '2023-06-23', 30, 299.99),
  ('PED002', 1, 5, '2023-06-13', 20, 199.99),
  ('PED003', 3, 3, '2023-06-25', 10, 119.99),
  ('PED003', 4, 2, '2023-06-26', 30, 299.99),
  ('PED004', 1, 4, '2023-06-27', 10, 129.99),
  ('PED004', 2, 3, '2023-06-28', 20, 239.99),
  ('PED005', 4, 5, '2023-06-29', 10, 109.99),
  ('PED005', 3, 1, '2023-06-30', 30, 299.99),
  ('PED011', 12, 1, '2023-07-01', 9, 89.99),
  ('PED012', 13, 2, '2023-07-02', 8, 79.99),
  ('PED013', 14, 3, '2023-07-03', 10, 99.99),
  ('PED014', 15, 4, '2023-07-04', 7, 69.99),
  ('PED015', 16, 5, '2023-07-05', 7, 69.99),
  ('PED016', 17, 1, '2023-07-06', 12, 119.99),
  ('PED017', 18, 2, '2023-07-07', 9, 89.99),
  ('PED018', 12, 3, '2023-07-08', 8, 79.99),
  ('PED019', 13, 4, '2023-07-09', 10, 99.99),
  ('PED020', 14, 5, '2023-07-10', 7, 69.99),
  ('PED021', 8, 20, '2023-07-11', 8, 79.99),
  ('PED022', 9, 21, '2023-07-12', 10, 99.99),
  ('PED023', 10, 22, '2023-07-13', 7, 69.99),
  ('PED024', 11, 23, '2023-07-14', 9, 89.99),
  ('PED025', 12, 24, '2023-07-15', 12, 119.99),
  ('PED026', 13, 25, '2023-07-16', 8, 79.99),
  ('PED027', 14, 26, '2023-07-17', 10, 99.99),
  ('PED028', 15, 27, '2023-07-18', 7, 69.99),
  ('PED029', 16, 28, '2023-07-19', 9, 89.99),
  ('PED030', 8, 29, '2023-07-20', 12, 119.99),
  ('PED031', 9, 30, '2023-07-21', 8, 79.99),
  ('PED032', 10, 31, '2023-07-22', 10, 99.99),
  ('PED033', 11, 32, '2023-07-23', 7, 69.99),
  ('PED034', 12, 33, '2023-07-24', 9, 89.99),
  ('PED035', 13, 34, '2023-07-25', 12, 119.99),
  ('PED036', 14, 35, '2023-07-26', 8, 79.99),
  ('PED037', 15, 36, '2023-07-27', 10, 99.99),
  ('PED038', 16, 37, '2023-07-28', 7, 69.99),
  ('PED039', 8, 38, '2023-07-29', 9, 89.99),
  ('PED040', 9, 39, '2023-07-30', 12, 119.99);
  
select * from pedidos

SELECT c.id_cliente, c.nome, p.codigo_pedido, p.data_pedido, p.quantidade, pr.descricao, p.preco
FROM clientes c
LEFT JOIN pedidos p ON c.id_cliente = p.id_cliente
LEFT JOIN produtos pr ON p.id_produto = pr.id_produto
order by c.nome, p.codigo_pedido, p.data_pedido

created 2 years ago

MySQL online editor

Write, Run & Share MySQL queries online using OneCompiler's MySQL online editor and compiler for free. It's one of the robust, feature-rich online editor and compiler for MySQL. Getting started with the OneCompiler's MySQL editor is really simple and pretty fast. The editor shows sample boilerplate code when you choose language as 'MySQL' and start writing queries to learn and test online without worrying about tedious process of installation.

About MySQL

MySQL is a open-source, free and very popular relational database management system which is developed, distributed and supported by Oracle corporation.

Key Features:

Open-source relational database management systems.
Reliable, very fast and easy to use database server.
Works on client-server model.
Highly Secure and Scalable
High Performance
High productivity as it uses stored procedures, triggers, views to write a highly productive code.
Supports large databases efficiently.
Supports many operating systems like Linux*,CentOS*, Solaris*,Ubuntu*,Windows*, MacOS*,FreeBSD* and others.

Syntax help

Commands

1. CREATE

CREATE TABLE table_name (
                column1 datatype,
                column2 datatype,
                ....);

Example

CREATE TABLE EMPLOYEE (
  empId INTEGER PRIMARY KEY,
  name TEXT NOT NULL,
  dept TEXT NOT NULL
);

2. ALTER

ALTER TABLE Table_name ADD column_name datatype;

Example

INSERT INTO EMPLOYEE VALUES (0001, 'Dave', 'Sales');

3. TRUNCATE

TRUNCATE table table_name;

4. DROP

DROP TABLE table_name;

5. RENAME

RENAME TABLE table_name1 to new_table_name1;

6. COMMENT

Single-Line Comments:

 --Line1;

Multi-Line comments:

   /* Line1,
   Line2 */

DML Commands

1. INSERT

INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);

Note: Column names are optional.

Example

INSERT INTO EMPLOYEE VALUES (0001, 'Ava', 'Sales');

2. SELECT

SELECT column1, column2, ...
FROM table_name
[where condition];

Example

SELECT * FROM EMPLOYEE where dept ='sales';

3. UPDATE

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

Example

UPDATE EMPLOYEE SET dept = 'Sales' WHERE empId='0001';

4. DELETE

DELETE FROM table_name where condition;

Example

DELETE from EMPLOYEE where empId='0001';

Indexes

1. CREATE INDEX

  CREATE INDEX index_name on table_name(column_name);

To Create Unique index:

  CREATE UNIQUE INDEX index_name on table_name(column_name);

2. DROP INDEX

DROP INDEX index_name ON table_name;

Views

1. Create a View

Creating a View:
CREATE VIEW View_name AS 
Query;

2. How to call view

SELECT * FROM View_name;

3. Altering a View

ALTER View View_name AS 
Query;

4. Deleting a View

DROP VIEW View_name;

Triggers

1. Create a Trigger

CREATE TRIGGER trigger_name trigger_time trigger_event
    ON tbl_name FOR EACH ROW [trigger_order] trigger_body
/* where
trigger_time: { BEFORE | AFTER }
trigger_event: { INSERT | UPDATE | DELETE }
trigger_order: { FOLLOWS | PRECEDES } */

2. Drop a Trigger

DROP TRIGGER [IF EXISTS] trigger_name;

Stored Procedures

1. Create a Stored Procedure

CREATE PROCEDURE sp_name(p1 datatype)
BEGIN
/*Stored procedure code*/
END;

2. How to call Stored procedure

CALL sp_name;

3. How to delete stored procedure

DROP PROCEDURE sp_name;

Joins

1. INNER JOIN

SELECT * FROM TABLE1 INNER JOIN TABLE2 where condition;

2. LEFT JOIN

SELECT * FROM TABLE1 LEFT JOIN TABLE2 ON condition;

3. RIGHT JOIN

SELECT * FROM TABLE1 RIGHT JOIN TABLE2 ON condition;

4. CROSS JOIN

SELECT select_list from TABLE1 CROSS JOIN TABLE2;