29 lines
703 B
Markdown
29 lines
703 B
Markdown
|
---
|
||
|
|
categories:
|
||
|
|
- Databases
|
||
|
|
- Programming Languages
|
||
|
|
tags: [SQL, relational-database]
|
||
|
|
---
|
||
|
|
|
||
|
|
# Create an SQL table
|
||
|
|
|
||
|
|
We create tables in an SQL database with the `CREATE` command.
|
||
|
|
|
||
|
|
Below is an example of this in practice. Each field corresponds to a column. We specify the name of the field and its corresponding data-type. Every table must have a **primary key**. In the example, `employee_id` is the primary key.
|
||
|
|
|
||
|
|
```sql
|
||
|
|
CREATE TABLE employee (
|
||
|
|
employee_id text PRIMARY KEY,
|
||
|
|
first_name text,
|
||
|
|
surname text,
|
||
|
|
address_number integer,
|
||
|
|
address_1 text,
|
||
|
|
address_2 text,
|
||
|
|
locality text,
|
||
|
|
region text,
|
||
|
|
postal_code text,
|
||
|
|
phone_number text,
|
||
|
|
days_per_week real
|
||
|
|
);
|
||
|
|
```
|