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https://github.com/hayat01sh1da/mysql
https://github.com/hayat01sh1da/mysql
Last synced: 16 days ago
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- Host: GitHub
- URL: https://github.com/hayat01sh1da/mysql
- Owner: hayat01sh1da
- Created: 2021-05-23T13:28:42.000Z (over 3 years ago)
- Default Branch: master
- Last Pushed: 2024-06-10T12:34:53.000Z (8 months ago)
- Last Synced: 2024-06-10T14:18:06.855Z (8 months ago)
- Size: 77.1 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
## 1. Environment
- WSL(Ubuntu 24.04.1 LTS)
- Docker 27.3.1
- mysql/mysql-server:8.0
## 2. Reference
[MySQL Tutorial - W3Schools](https://www.w3schools.com/mysql/default.asp)
## 3. Docker
### 3-1. Setup MySQL
```bash
$ docker build
$ docker-compose up -d
```
### 3-2. Create DB, Tables and Insert Records
```bash
$ docker-compose exec db mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.32 MySQL Community Server - GPL
Copyright (c) 2000, 2023, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> source setup.sql
```
## 4. SQL Introduction
### 4-1. List Up Databases
```bash
mysql> SHOW DATABASES;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sql_tutorial |
| sys |
+--------------------+
```
### 4-2. Switch to a Specific Database
```sql
mysql> USE sql_tutorial;
Database changed
mysql> SHOW TABLES;
+------------------------+
| Tables_in_sql_tutorial |
+------------------------+
| Categories |
| Customers |
| Employees |
| OrderDetails |
| Orders |
| Products |
| Shippers |
| Suppliers |
+------------------------+
```
### 4-3. Check Schema of a Specific Table
```sql
mysql> DESCRIBE Employees;
+-----------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-----------+--------------+------+-----+---------+-------+
| ID | int | NO | PRI | NULL | |
| LastName | varchar(255) | YES | | NULL | |
| FirstName | varchar(255) | YES | | NULL | |
| BirthDate | date | YES | | NULL | |
| Photo | varchar(255) | YES | | NULL | |
| Notes | longtext | YES | | NULL | |
+-----------+--------------+------+-----+---------+-------+
```
### 4-4. Fetch a Specific Column
You can use `*` if you would like to fetch all columns.
```sql
mysql> SELECT ID FROM Employees;
+----+
| ID |
+----+
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
+----+
```
## 5. Schemas
### 5-1. Categories
|Field |Type |Null |Key |Default |Extra |
|:-----------|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|Name |varchar(255) |YES | |NULL | |
|Description |varchar(255) |YES | |NULL | |
### 5-2. Customers
|Field |Type |Null |Key |Default |Extra |
|:-----------|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|FullName |varchar(255) |YES | |NULL | |
|ContactName |varchar(255) |YES | |NULL | |
|Address |varchar(255) |YES | |NULL | |
|City |varchar(255) |YES | |NULL | |
|ZipCode |varchar(255) |YES | |NULL | |
|Country |varchar(255) |YES | |NULL | |
### 5-3. Employees
|Field |Type |Null |Key |Default |Extra |
|:---------|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|LastName |varchar(255) |YES | |NULL | |
|FirstName |varchar(255) |YES | |NULL | |
|BirthDate |date |YES | |NULL | |
|Photo |varchar(255) |YES | |NULL | |
|Notes |longtext |YES | |NULL | |
### 5-4. Orders
|Field |Type |Null |Key |Default |Extra |
|:----------|:----|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|OrderDate |date |YES | |NULL | |
|CustomerID |int |YES |MUL |NULL | |
|EmployeeID |int |YES |MUL |NULL | |
|ShipperID |int |YES |MUL |NULL | |
### 5-5. OrderDetails
|Field |Type |Null |Key |Default |Extra |
|:---------|:----|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|Quantity |int |YES | |NULL | |
|OrderID |int |YES |MUL |NULL | |
|ProductID |int |YES |MUL |NULL | |
### 5-6. Products
|Field |Type |Null |Key |Default |Extra |
|:----------|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|Name |varchar(255) |YES | |NULL | |
|Unit |varchar(255) |YES | |NULL | |
|Price |float |YES | |NULL | |
|CategoryID |int |YES |MUL |NULL | |
|SupplierID |int |YES |MUL |NULL | |
### 5-7. Shippers
|Field |Type |Null |Key |Default |Extra |
|:-----|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|Name |varchar(255) |YES | |NULL | |
|Phone |varchar(255) |YES | |NULL | |
### 5-8. Suppliers
|Field |Type |Null |Key |Default |Extra |
|:-----------|:------------|:----|:---|:-------|:-----|
|ID |int |NO |PRI |NULL | |
|Name |varchar(255) |YES | |NULL | |
|ContactName |varchar(255) |YES | |NULL | |
|Address |varchar(255) |YES | |NULL | |
|City |varchar(255) |YES | |NULL | |
|ZipCode |varchar(255) |YES | |NULL | |
|Country |varchar(255) |YES | |NULL | |
|Phone |varchar(255) |YES | |NULL | |